Ultracold Chemistry

  1. M. Morita, J. Zuo, H. Guo, and N. Balakrishnan, Rainbow scattering in rotationally inelastic collisions of HCl and H2, J. Chem. Phys. (2021).
  2. B. K. Kendrick, H. Li, M. Li, S. Kotochigova, J. F. E. Croft, and N. Balakrishnan, Non-adiabatic quantum interference in the ultracold Li+LiNa → Li2+Na reaction, PCCP (2021).
  3. M. Morita and N. Balakrishnan, Stereodynamics of ultracold rotationally inelastic collisions, J. Chem. Phys.153, 184307 (2020).
  4. M. Morita and N. Balakrishnan,Stereodynamics of rotationally inelastic scattering in cold He + HD collisions, J. Chem. Phys.153, 091101 (2020).
  5. A.Jasinski, J. Montaner, R. C. Forrey, B. H. Yang, P. C. Stancil, N. Balakrishnan, J. Dai, R. A. Vargas-Hernández, and R. V. Krems, Machine learning corrected quantum dynamics calculations, Phys. Rev. Res. 2, 032051(R) (2020).
  6. M. Morita, Q. Yao, C. Xie, H. Guo, and N. Balakrishnan, Stereodynamic control of overlapping resonances in cold molecular collisions, Phys. Rev. Res. 2, 032019(R) (2020).
  7. B. Y. Zhou, B. H. Yang, N. Balakrishnan, B. K. Kendrick, and P. C. Stancil, Prediction of a Feshbach Resonance in the Below-the-Barrier Reactive Scattering of Vibrationally Excited HD with H, J. Phys. Chem. Lett. 11, 4970 (2020).
  8. B. Yang, P. Zhang, C. Qu, P. C. Stancil, J. M. Bowman, N. Balakrishnan, and R. C. Forrey, Full-dimensional quantum dynamics of SO(X3Σ-) in collisions with H2, Chem. Phys. 532, 110695 (2020).
  9. Q. Yao, M. Morita, C. Xie, N. Balakrishnan, and H. Guo, Globally accurate full-dimensional potential energy surface for H2+HCl inelastic scattering, J. Phys. Chem. A. 123, 6578 (2019).
  10. P. G. Jambrina, J. F. E. Croft, H. Guo, M. Brouard, N. Balakrishnan, and F. J. Aoiz, Stereodynamical control of a quantum scattering resonance in cold molecular collisions, Phys. Rev. Lett. 123, 043401 (2019).
  11. Y. Wan, N. Balakrishnan, B. H. Yang, R. C. Forrey, and P. C. Stancil, Rotational quenching of HD induced by collisions with H2 molecules, Monthly Notices of the Royal Astronomical Society 488, 381 (2019).
  12. B. K. Kendrick and N. Balakrishnan, Geometric phase effects in ultracold chemical reactions, Atoms, 7, 65 (2019).
  13. J. F. E. Croft, N. Balakrishnan, Controlling rotational quenching rates in cold molecular collisions, J. Chem. Phys. 150, 164302 (2019).
  14. J. F. E. Croft, N. Balakrishnan, M. Huang, and H. Guo, Unraveling the Stereodynamics of Cold Controlled HD-H2 Collisions, Phys. Rev. Lett. 121, 113401 (2018).
  15. J. F. E. Croft, N. Balakrishnan, and B. K. Kendrick, Long-lived complexes and signatures of chaos in ultracold in K2+Rb collisions, , Phys. Rev. A 96, 062707 (2017).
  16. J. F. E. Croft, J. Hazra, N. Balakrishnan, and B. K. Kendrick, Symmetry and the geometric phase in ultracold hydrogen-exchange reactions, , J. Chem. Phys. 147, 074302 (2017).
  17. J. F. E. Croft, C. Makrides, M. Li, A. Petrov, B. K. Kendrick, N. Balakrishnan, and S. Kotochigova, Universality and chaoticity in ultracold K plus KRb chemical reactions, Nature Communications, 8, 15897 (2017).
  18. B. Yang, X. H. Wang, P. C. Stancil, J. M. Bowman, N. Balakrishnan, and R. C. Forrey, Full-dimensional quantum dynamics of rovibrationally inelastic scattering between CN and H2, J. Chem. Phys. 145, 224307 (2016).
  19. B. K. Kendrick, J. Hazra, and N. Balakrishnan, Geometric phase effects in the ultracold D+HD → D+HD and D+HD ↔ H+D2 reactions, New J. Phys. 18, 123020 (2016).
  20. N. Balakrishnan, Perspective: Ultracold molecules and the dawn of cold controlled chemistry, J. Chem. Phys. 145, 150901 (2016).
  21. B. K. Kendrick, J. Hazra, and N. Balakrishnan, Geometric phase effects in ultracold H+H2 reaction, J. Chem. Phys. 145, 164303 (2016).
  22. J. Hazra, B. K. Kendrick, and N. Balakrishnan, Geometric phase effects in ultracold hydrogen exchange reaction, J. Phys. B: At. Mol. Opt. Phys. 49, 194004 (2016).
  23. B. H. Yang, N. Balakrishnan, P. Zhang, X. Wang, J. M. Bowman, R. C. Forrey, and P. C. Stancil, Full-dimensional quantum dynamics of CO in collision with H2, J. Chem. Phys. 145, 034308 (2016).
  24. J. Hazra, B. K. Kendrick, and N. Balakrishnan, Importance of geometric phase effects in ultracold chemistry, J. Phys. Chem. A 119, 12291 (2015).
  25. L. Song, N. Balakrishnan, K. M. Walker, P. C. Stancil, W.-F. Thi, I. Kamp, A. van der Avoird, and G. C. Groenenboom, Quantum Calculation of Inelastic CO Collisions with H. III. Rate Coefficients for Ro-vibrational Transitions, Astrophysical Journal 813, 96 (2015).
  26. K. M. Walker, L. Song, B. H. Yang, G. C. Groenenboom. A. van der Avoird, N. Balakrishnan, R. C. Forrey, and P. C. Stancil, Quantum Calculation of Inelastic CO Collisions with H. II. Pure Rotational Quenching of High Rotational Levels, Astrophysical Journal 811, 27 (2015).
  27. R. C. Forrey, B. H. Yang, P. C. Stancil, and N. Balakrishnan, Mutual vibrational quenching in CO+H2 collisions, Chem. Phys. 462 71, (2015).
  28. B. K. Kendrick, J. Hazra, and N. Balakrishnan, The Geometric Phase Appears in the Ultracold Hydrogen Exchange Reaction, Phys. Rev. Lett. 115, 153201 (2015).
  29. B. K. Kendrick, J. Hazra, and N. Balakrishnan, The Geometric Phase Controls Ultracold Chemistry, Nature Communications 6 7918 (2015).
  30. B. Yang, K. M. Walker, R. C. Forrey, P. C. Stancil, and N. Balakrishnan, Collisional quenching of highly rotationally excited HF, Astronomy & Astrophysics 578, A65 (2015).
  31. L. Song, N. Balakrishnan, A. van der Avoird, T. Karman, and G. C. Groenenboom, Quantum scattering calculations for ro-vibrational de-excitation of CO by hydrogen atoms, J. Chem. Phys. 142, 204303 (2015).
  32. J. Hazra and N. Balakrishnan, Quantum dynamics of tunneling dominated reactions at low temperatures, New J. Phys. 17, 055027 (2015).
  33. B. Yang, P. Zhang, X. Wang, P. C. Stancil, J. M. Bowman, N. Balakrishnan, and R. C. Forrey, Quantum dynamics of CO-H2 in full dimensionality, Nature Communications 6, 6629 (2015).
  34. C. Makrides, J. Hazra, G. B. Pradhan, A. Petrov,1, B. K. Kendrick, T. Gonza ́lez-Lezana, N. Balakrishnan, and S. Kotochigova, Ultracold chemistry with alkali-metal–rare-earth molecules, Phys. Rev. A 91, 012708 (2015).
  35. Jisha Hazra, Brandon P. Ruzic, and John L. Bohn, and N. Balakrishnan, Quantum defect theory for cold chemistry with product-quantum-state resolution, Phys. Rev. A 90, 062703 (2014).
  36. Jisha Hazra, Brandon P. Ruzic, N. Balakrishnan, and John L. Bohn, Multichannel quantum defect theory for rovibrational transitions in ultracold molecule-molecule collisions, Phys. Rev. A 90, 032711 (2014).
  37. K. M. Walker, B. H. Yang, P. C. Stancil, N. Balakrishnan, and R. C. Forrey, On the validity of collider mass scaling for molecular rotational excitation, The Astrophysical Journal, 790, 96 (2014).
  38. G. B. Pradhan, N. Balakrishnan, and B. K. Kendrick, Quantum dynamics of O(1D)+D2 reaction: isotope and vibrational excitation effects, J. Phys. B: At. Mol. Opt. Phys. 47, 135202 (2014).
  39. D. G. A. Smith, K. Patkowski, D. Trinh, N. Balakrishnan, T.-G. Lee, R. C. Forrey, B. H. Yang, and P. C. Stancil, Highly correlated electronic structure calculations of the He-C3 van der Waals complex and collision induced rotational transitions of C3, J. Phys. Chem. A 118 , 6351 (2014).
  40. A. Bohr, S. Paolini, R. C. Forrey, N. Balakrishnan, and P. C. Stancil, A full-dimensional uantum dynamical study of H2+H2 collisions: coupled-states versus close-coupling formulation, , J. Chem. Phys. 140, 064308 (2014)).
  41. B. H. Yang, P. C. Stancil, N. Balakrishnan, R. C. Forrey, and J. M. Bowman, Quantum calculations of inelastic collisions with H.I. Rotational quenching of low-lying rotational levels, Astrophys. J. 771, 49 (2013).
  42. G. B. Pradhan, N. Balakrishnan, and B. K. Kendrick, Ultracold collisions of O(1D) and H2: The effects of H2 vibrational excitation on the production of vibrationally and rotationally excited OH, , J. Chem. Phys. 138, 164310 (2013).
  43. G. B. Pradhan, J. C. Juanes-Marcos, N. Balakrishnan, and B. K. Kendrick, Chemical reaction versus vibrational quenching in low energy collisions of vibrationally excited OH with O , J. Chem. Phys. 139, 194305 (2013).
  44. S. Fonseca dos Santos, N. Balakrishnan, R. C. Forrey, and P. C. Stancil, Vibration-vibration and vibration-translation energy transfer in H2-H2 collisions: a critical test of experiment with full-dimensional quantum dynamics, , J. Chem. Phys. 138, 104302 (2013).
  45. B. H. Yang, R. C. Forrey, P. C. Stancil, S. Fonseca dos Santos, and N. Balakrishnan, Zero-Energy Resonances of Hydrogen Diatom Isotopologs: Tuning Quasiresonant Transitions in Vibration Space, Phys. Rev. Lett 109, 233201 (2012).
  46. N. Balakrishnan, Quantum dynamics of the Cl+H2 reaction at ultracold temperatures, J. Chem. Sci. 124, 311 (2012).
  47. J. Nolte, P. C. Stancil, T.-G. Lee, N. Balakrishnan, and R. C. Forrey, Rovibrational quenching rate coefficients of HD in collisions with He, Astrophys. J 744, 62 (2012).
  48. W. el-Qadi, R. C. Forrey, B. H. Yang, P. C. Stancil, and N. Balakrishnan, Cold collisions of highly rotationally excited CO2 with He: the prospects for cold chemistry with super rotors, Phys. Rev. A 84, 054701 (2011).
  49. J. C. Juanes-Marcos, G. Quemener, B. K. Kendrick, and N. Balakrishnan, Ultracold collisions and reactions of vibrationally excited OH radicals with oxygen atoms, PCCP 13, 19067 (2011).
  50. S. Fonseca dos Santos, N. Balakrishnan, S. Lepp, G. Quemener, R. C. Forrey, R. J. Hinde, and P. C. Stancil, Quantum dynamics of rovibrational transitions in H2–H2 collisions: Internal energy and rotational angular momentum conservation effects, J. Chem. Phys. 134, 214303 (2011).
  51. N. Balakrishnan, G. Quemener, R. C. Forrey, R. J. Hinde, and P. C. Stancil, Full-dimensional quantum dynamics calculations of H2–H2 collisions, J. Chem. Phys. 134, 014301 (2011).
  52. B. Yang, R. C. Forrey, P. C. Stancil, and N. Balakrishnan, Rotational quenching of CO due to H2 collisions, Astrophysical Journal718, 1062 (2010).
  53. B. Yang, R. C. Forrey, P. C. Stancil, and N. Balakrishnan, Complex scattering lengths for ultracold He collisions with rotationally excited linear and nonlinear molecules, Phys. Rev. A 82, 052711 (2010).
  54. J. L. Nolte, B.H. Yang, P. C. Stancil, T. G. Lee, N. Balakrishnan, R. C. Forrey, A. Dalgarno, Isotope effects in complex scattering lengths for He collisions with molecular hydrogen, Phys. Rev. A 81, 014701 (2010).
  55. N. Balakrishnan, Bradley C. Hubartt, L. Ohlinger, and R. C. Forrey, Noble gas quenching of rovibrationally excited H2, Phys. Rev. A 80, 012704 (2009).
  56. G. Quemener, N. Balakrishnan, and B. Kendrick, Formation of molecular oxygen in ultracold O+OH collisions, Phys. Rev. A 79, 022703 (2009).
  57. G. Quemener and N. Balakrishnan, Quantum calculations of H2-H2 collisions: from ultracold to thermal energies, J. Chem. Phys. 130, 114303 (2009) .
  58. G. Quemener, N. Balakrishnan, and B. Kendrick, Quantum dynamics of the O+OH → H+O2 reaction at low energies, J. Chem. Phys. 129, 224309 (2008) .
  59. T.-G. Lee, N. Balakrishnan, R. C. Forrey, P. C. Stancil, G. Shaw, D. R. Schultz, and G. J. Ferland, Rotational quenching rate coefficients for H2 in collisions with H2 from 2 to 10000 K, Astrophysical Journal 689, 1105 (2008).
  60. G. Quemener and N. Balakrishnan, Cold and ultracold chemical reactions of F+HCl and F+DCl reactions, , J. Chem. Phys. 128, 224304 (2008) .
  61. G. Quemener, N. Balakrishnan, and R. V. Krems, Vibrational energy transfer in ultracold molecule-molecule collisions, Phys. Rev. A 77, 030704(R) (2008) (Rapid Communication) .
  62. A. Mack, T. K. Clark, R. C. Forrey, N. Balakrishnan, T.-G. Lee, and P. C. Stancil, Cold He+H2 collisions, Phys. Rev. A 74, 052718 (2006).
  63. T.-G. Lee, N. Balakrishnan, R. C. Forrey, P. C. Stancil, D. R. Schultz, and G. J. Ferland, State-to-state rotational transitions in H2+H2 collisions at low temperatures, J. Chem. Phys. 125, 114302 (2006).
  64. B. Yang, H. Perera, N. Balakrishnan, R. C. Forrey, and P. C. Stancil, Quenching of rotationally excited CO in cold and ultracold collisions with H, He and H2, J. Phys. B: At. Mol. Opt. Phys. 39, S1229 (2006).
  65. P. F. Weck and N. Balakrishnan, Dynamics of chemical reactions at cold and ultracold temperatures, J. Phys. B: At. Mol. Opt. Phys. 39, S1215 (2006).
  66. B. Yang, P. C. Stancil, N. Balakrishnan, and R. C. Forrey, Quenching of rotationally excited CO by collisions with H2, J. Chem. Phys. 124 , 104304 (2006).
  67. P. F. Weck, N. Balakrishnan, J. Brandao, C. Rosa, and W. Wang, Dynamics of the O(3P)+H2 reaction at low temperatures: Comparison of quasiclassical trajectory with quantum scattering calculations, J. Chem. Phys. 124, 074308 (2006) .
  68. P. F. Weck and N. Balakrishnan, Reactivity enhancement of ultracold O(3P)+H2 collisions by van der Waals interactions, J. Chem. Phys. 123, 144308 (2005) .
  69. Close-coupling study of rotational energy transfer of CO(ν = 2) by collisions with He atoms, B. Yang, P. C. Stancil, N. Balakrishnan, and R. C. Forrey, J. Chem. Phys. 123, 134326 (2005).
  70. B. Yang, P. C. Stancil, and N. Balakrishnan, A close-coupling study of vibrational-rotational quenching of CO by collision with hydrogen atoms, J. Chem. Phys. 123, 094308 (2005).
  71. P. F. Weck and N. Balakrishnan, Heavy atom tunneling in chemical reactions: study of H+LiF collisions, J. Chem. Phys. 122, 234310 (2005).
  72. P. F. Weck and N. Balakrishnan, Quantum Dynamics of the Li+HF → H+LiF reaction at ultralow temperatures J. Chem. Phys. 122, 154309 (2005).
  73. T.-G. Lee, C. Rochow, R. Martin, T. K. Clark, R. C. Forrey, N. Balakrishnan, P. C. Stancil, D. R. Schultz, A. Dalgarno, and G. J. Ferland, Close-coupling calculations of low-energy inelastic and elastic processes in 4He collisions with H2: A comparative study of two potential energy surfaces, J. Chem. Phys. 122, 024307 (2005).
  74. Nyamsuren Uudus, Shino Magaki, and N. Balakrishnan, Quantum mechanical investigation of ro-vibrational relaxation of H2 and D2 by collisions with Ar atoms, J. Chem. Phys. 122, 024304 (2005).
  75. P. F. Weck and N. Balakrishnan, Chemical reactivity of ultracold polar molecules: investigation of H+HCl and H+DCl collisions, Euro. Phys. J. D 31, 417 (2004).
  76. N. Balakrishnan, On the role of van der Waals interaction in chemical reactions at low temperatures, J. Chem. Phys. 121, 5563 (2004).
  77. E. Bodo, F. A. Gianturco, N. Balakrishnan, and A. Dalgarno, Chemical reactions in the limit of zero kinetic energy: virtual states and Ramsauer minima in F+H2 → HF+H, J. Phys. B: At. Mol. Opt. Phys. 37, 3641 (2004).
  78. R. V. Krems, A. Dalgarno, N. Balakrishnan, and G. C. Groenenboom, Spin-flipping transitions in 2Σ molecules induced by collisions with structureless atoms, Phys. Rev. A 67, 060703(R) (2003).
  79. N. Balakrishnan and A. Dalgarno, On the isotope effect in F+HD reaction at ultracold temperatures, J. Phys. Chem. A 107, 7101 (2003).
  80. G. C. Groenenboom and N. Balakrishnan, The He-CaH (2Σ+) interaction: I. Three-dimensional ab initio potential energy surface, J. Chem. Phys. 118, 7380 (2003).
  81. N. Balakrishnan, G. C. Groenenboom, R. V. Krems, and A. Dalgarno, The He-CaH (2Σ+) interaction: II. Collisions at cold and ultracold temperatures, J. Chem. Phys. 118, 7386 (2003).
  82. N. Balakrishnan and A. Dalgarno, Chemistry at ultracold temperatures, Chem. Phys. Lett. 341, 652 (2001); Erratum 351, 159 (2002).
  83. C. Zhu, N. Balakrishnan, A. Dalgarno, Vibrational relaxation of CO in ultracold 3He collisions, J. Chem. Phys. 115, 1335 (2001).
  84. R. C. Forrey, N. Balakrishnan, A. Dalgarno, M. R. Haggerty, and E. J. Heller, The effect of quasiresonant dynamics on the predissociation of van der Waals molecules, Phys. Rev. A 64, 022706 (2001).
  85. N. Balakrishnan and A. Dalgarno, On the quenching of rovibrationally excited molecular oxygen at ultracold temperatures, J. Phys. Chem. 105, 2348 (2001).
  86. N. Balakrishnan, A. Dalgarno, and R. C. Forrey Vibrational relaxation of CO by 4He at ultralow temperatures, J. Chem. Phys. 113, 621 (2000).
  87. R. C. Forrey, N. Balakrishnan, A. Dalgarno, M. R. Haggerty, and E. J. Heller Quasiresonant energy transfer in ultracold atom-diatom collisions, Phys. Rev. Lett. 82, 2657 (1999).
  88. R. C. Forrey, V. Kharchenko, N. Balakrishnan, and A. Dalgarno, Vibrational relaxation of trapped molecules, Phys. Rev. A 59, 2146 (1999).
  89. N. Balakrishnan, R.C. Forrey and A. Dalgarno, Quenching of H2 vibrations in ultracold 3He and 4He collisions , Phys. Rev. Lett. 80, 3224 (1998).
  90. R. C. Forrey, N. Balakrishnan, V. Kharchenko and A. Dalgarno, Feshbach resonances in ultracold atom-diatom scattering, Phys. Rev. A 58, R2645 (1998).
  91. N. Balakrishnan, R. C. Forrey and A. Dalgarno, Threshold phenomena in ultracold atom-molecule collisions, Chem. Phys. Lett. 280, 1 (1997).
  92. N. Balakrishnan, V. Kharchenko, R. C. Forrey and A. Dalgarno, Complex scattering lengths in multi-channel atom-molecule collisions, Chem. Phys. Lett. 280 , 5 (1997).

Go to Top

Nanoclusters & Catalysis

  1. T. J. Dhilip Kumar, P. Tarakeshwar, and N. Balakrishnan, Geometric and Electronic Structures of Hydrogenated Transition Metal (M = Sc, Ti, Zr) clusters, Phys. Rev. B 79, 205415 (2009).
  2. P. Tarakeshwar, T. J. Dhilip Kumar, and N. Balakrishnan, Hydrogen multicenter bonds and reversible hydrogen storage, J. Chem. Phys. 130, 114301 (2009).
  3. G. Quemener, N. Balakrishnan, and B. Kendrick, Quantum dynamics of the O+OH → H+O2 reaction at low energies, J. Chem. Phys. 129, 224309 (2008) .
  4. P. F. Weck, E. Kim, S. Lepp, N. Balakrishnan, and H. R. Sadeghpour, Dimer-induced stabilization of H adsorbate cluster on BN(0001) surface, Physical Chemistry and Chemical Physics, 10, 5184 (2008) (cover article) .
  5. G. Quemener and N. Balakrishnan, Cold and ultracold chemical reactions of F+HCl and F+DCl reactions, , J. Chem. Phys. 128, 224304 (2008) .
  6. T. J. Dhilip Kumar, P. Tarakeshwar, and N. Balakrishnan, Structural, energetic and electronic properties of hydrogenated titanium clusters, J. Chem. Phys. 128, 194714 (2008) .
  7. P. Tarakeshwar, T. J. Dhilip Kumar, and N. Balakrishnan, Nature of hydrogen interaction and saturation on small Titanium clusters, J. Phys. Chem. A 112, 2846 (2008) .
  8. T. J. Dhilip Kumar, C. Zhou, H. Cheng, R. C. Forrey, and N. Balakrishnan, Effect of Co doping on the catalytic activity of small Pt clusters, , J. Chem. Phys. 128, 124704 (2008) .
  9. E. Kim, P. F. Weck, N. Balakrishnan, and C. Bae, Nanoscale building blocks for the development of novel proton-exchange membrane for fuel cells, J. Phys. Chem. B 112, 3283 (2008) (Cover page, March 20, 2008 issue) .
  10. B. C. Shepler, B. H. Yang, T. J. Dhilip Kumar, P. C. Stancil, J. M. Bowman, N. Balakrishnan, P. Zhang, E. Bodo, and A. Dalgarno, Low energy H+CO scattering revisited: CO rotational excitation with new potential surfaces, Astronomy & Astrophysics, 475, L15 (2007).
  11. P. F. Weck, E. Kim, N. Balakrishnan, F.Poineau, C. B. Yeamans, and K. R. Czerwinski, First-principles study of single-crystal uranium mono- and dintride, Chem. Phys. Lett. 443, 82 (2007).
  12. C. Zhou, J. Wu, T. J. Dhilip Kumar, N. Balakrishnan, R. C. Forrey, and H. Hansong, The growth pathway of Pt clusters on α-Al2O3 surface, J. Phys. Chem. C 111, 13786 (2007).
  13. T. J. Dhilip Kumar, P. F. Weck and N. Balakrishnan, Evolution of small Ti clusters and dissociative chemisorption of H2 on Ti, J. Phys. Chem. C 111, 7494 (2007).
  14. P. F. Weck, E. Kim, N. Balakrishnan, H. Cheng, and B. I. Yakobson, Designing carbon nanoframeworks tailored for hydrogen storage, Chem. Phys. Lett. 439, 354 (2007).
  15. P. F. Weck, T. J. Dhilip Kumar, E. Kim, and N. Balakrishnan, Computational study of hydrogen storage in organometallic compounds, J. Chem. Phys. 126, 094703 (2007).
  16. C. Zhou, C. Luo, J. Wu, T. J. Dhilip Kumar, N. Balakrishnan, R. C. Forrey, and H. Hansong, First principles study of small palladium cluster growth and isomerization, Int. J. Quan. Chem. 107, 1632 (2007).

Go to Top

Atmospheric Chemistry

  1. G. Quemener, B. K. Kendrick, N. Balakrishnan, Quantum dynamics of the H+O2 → O+OH reaction, J. Chem. Phys. 132, 014302 (2010).
  2. N. Balakrishnan, Bradley C. Hubartt, L. Ohlinger, and R. C. Forrey, Noble gas quenching of rovibrationally excited H2, Phys. Rev. A 80, 012704 (2009).
  3. G. Quemener, N. Balakrishnan, and B. Kendrick, Quantum dynamics of the O+OH → H+O2 reaction at low energies, J. Chem. Phys. 129, 224309 (2008) .
  4. R. A. Sultanov and N. Balakrishnan, Quantum mechanical investigations of the N(4S)+O2 → NO+O reaction, J. Chem. Phys. 124 , 124321 (2006).
  5. P. F. Weck, N. Balakrishnan, J. Brandao, C. Rosa, and W. Wang, Dynamics of the O(3P)+H2 reaction at low temperatures: Comparison of quasiclassical trajectory with quantum scattering calculations, J. Chem. Phys. 124, 074308 (2006) .
  6. R. A. Sultanov and N. Balakrishnan, Oxygen chemistry in the interstellar medium: the effect of vibrational excitation of H2 in O(3P)+H2 reaction, Astrophysical Journal 629, 305 (2005).
  7. Nyamsuren Uudus, Shino Magaki, and N. Balakrishnan, Quantum mechanical investigation of ro-vibrational relaxation of H2 and D2 by collisions with Ar atoms, J. Chem. Phys. 122, 024304 (2005).
  8. N. Balakrishnan, Quantum calculations of the O(3P)+H2 reaction, J. Chem. Phys. 121, 6346 (2004).
  9. R. A. Sultanov and N. Balakrishnan, Quantum scattering calculations of the H+O2 → O+OH reaction, J. Phys. Chem. A 108, 8759 (2004).
  10. N. Balakrishnan, On the role of vibrationally excited H2 as a source of OH in the mesosphere, Geophys. Res. Lett. 31, L04106 (2004).
  11. N. Balakrishnan and A. Dalgarno, On the isotope effect in F+HD reaction at ultracold temperatures, J. Phys. Chem. A 107, 7101 (2003).
  12. N. Balakrishnan and A. Dalgarno, Nitric oxide production in collisions of hot O(3P) atoms with N2, J. Geophys. Res. 108, 1065 (2003) .
  13. B. Ramachandran, N. Balakrishnan, and A. Dalgarno, Vibrational-rotational distributions of NO formed from N + O2 reactive collisions, Chem. Phys. Lett. 332, 562 (2000).
  14. N. Balakrishnan, E. Sergueeva, V. Kharchenko, and A. Dalagarno, Kinetics and thermalization of hot N atoms in the atmosphere, J. Geophys. Res. 105, 18549 (2000) .
  15. N. Balakrishnan, M. Jameison, A. Dalgarno, Y. Li, and R. J. Buenker, Time-dependent quantum mechanical study of photodissociation of molecular oxygen in the Schumann-Runge continuum, J. Chem. Phys. 112, 1255 (2000).
  16. N. Balakrishnan and A. Dalgarno, Rate coefficients for NO formation in energetic N+O2 collisions, Chem. Phys. Lett. 302, 485 (1999).
  17. N. Balakrishnan, V. Kharchenko, and A. Dalgarno, Translational energy relaxation of hot O(1D) atoms, J. Phys. Chem. 103, 3999 (1999).
  18. N. Balakrishnan, A. Dalgarno and G. D. Billing, Multiquantum vibrational transitions in O2(ν > 25) + O2(ν = 0) collisions, Chem. Phys. Lett., 288, 657 (1998).
  19. N. Balakrishnan, V. Kharchenko and A. Dalgarno, Quantum mechanical and semiclassical studies of N+N2 collisions and their application to thermalization of fast N atoms, J. Chem. Phys. 108, 943 (1998).
  20. N. Balakrishnan, V. Kharchenko and A. Dalgarno, Slowing of energetic O(3p) atoms in collisions with N2, J. Geophys. Res. 103, 23393 (1998) .
  21. V. Kharchenko, N. Balakrishnan and A. Dalgarno, Thermalization of fast nitrogen atoms in elastic and inelastic collisions with molecules of atmospheric gases, J. Atmos. Sol-Terr. Phys. 60, 95 (1998).
  22. N. Balakrishnan and G. D. Billing, Quantum-classical reaction path study of the reaction O(3P)+O3(1A1) → 2O2, J. Chem. Phys. 104, 9482 (1996).
  23. N. Balakrishnan and G. D. Billing, A Quantum-classical Study of the reaction CO(v1,j1)+OH(v2,j2) → CO2+H, J. Chem. Phys. 104, 4005 (1996).
  24. N. Balakrishnan and G. D. Billing, Variational transition state rate constants for the reaction O(3P)+ O3(1A1) → 2O2, Chem. Phys. Lett. 242, 68 (1995).
  25. N. Balakrishnan and G. D. Billing, A mixed quantal / classical study of the reaction OH+H2(v) → H2O+H, Chem. Phys. Lett. 233, 145 (1995).
  26. N. Balakrishnan and G. D. Billing, Three-dimensional wavepacket study of the reaction OH+H2(v) → H2O+H: A mixed quantal / classical approach, Chem. Phys. 189, 499 (1994).
  27. N. Balakrishnan and G. D. Billing, Integral cross sections and rate constants for the reaction OH + H2 → H2O+H: A semiclassical wavepacket approach, J. Chem. Phys. 101, 2785 (1994).

Go to Top

Astrophysics

  1. Y. Wan, N. Balakrishnan, B. H. Yang, R. C. Forrey, and P. C. Stancil, Rotational quenching of HD induced by collisions with H2 molecules, Monthly Notices of the Royal Astronomical Society 488, 381 (2019).
  2. B. H. Yang, P. Zhang, C. Qu, P. C. Stancil, J. M. Bowman, N. Balakrishnan, and R. C. Forrey, Inelastic vibrational dynamics of CS in collision with H2 using a full-dimensional potential energy surface, PCCP 20, 28425 (2018).
  3. N. Balakrishnan, J. F. E. Croft, B. H. Yang, R. C. Forrey, and P. C. Stancil, Rotational Quenching of HD in Collisions with H2: Resolving Discrepancies for Low-lying Rotational Transitions, Astrophys. J. 866, 95 (2018).
  4. Y. Wan, B. H. Yang, P. C. Stancil, N. Balakrishnan, N. J. Parekh, and R. C. Forrey, Collisional Quenching of Highly Excited H2 due to H2 Collisions, Astrophys. J. 862, 132 (2018).
  5. H. Burton, R. Mysliwiec, R. C. Forrey, B. H. Yang, P. C. Stancil, and N. Balakrishnan, Fine-structure resolved rotational transitions and database for CN+H2 collisions, Molecular Astrophysics, 11, 23 (2018).
  6. B. H. Yang, P. Zhang, C. Qu, X. H. Wang, P. C. Stancil, J. M. Bowman, N. Balakrishnan, B. M. McLaughlin, and R. C. Forrey, Full-Dimensional Quantum Dynamics of SiO in Collision with H2, J. Phys. Chem. A 122, 1511 (2018).
  7. C. Castro, K. Doan, M. Klemka, R. C. Forrey, B. H. Yang, P. C. Stancil, and N. Balakrishnan, Inelastic cross sections and rate coefficients for collisions between CO and H2, Molecular Astrophysics, Molecular Astrophysics 6, 47 (2017).
  8. B. Yang, X. H. Wang, P. C. Stancil, J. M. Bowman, N. Balakrishnan, and R. C. Forrey, Full-dimensional quantum dynamics of rovibrationally inelastic scattering between CN and H2, J. Chem. Phys. 145, 224307 (2016).
  9. B. H. Yang, N. Balakrishnan, P. Zhang, X. Wang, J. M. Bowman, R. C. Forrey, and P. C. Stancil, Full-dimensional quantum dynamics of CO in collision with H2, J. Chem. Phys. 145, 034308 (2016).
  10. L. Song, N. Balakrishnan, K. M. Walker, P. C. Stancil, W.-F. Thi, I. Kamp, A. van der Avoird, and G. C. Groenenboom, Quantum Calculation of Inelastic CO Collisions with H. III. Rate Coefficients for Ro-vibrational Transitions, Astrophysical Journal 813, 96 (2015).
  11. K. M. Walker, L. Song, B. H. Yang, G. C. Groenenboom. A. van der Avoird, N. Balakrishnan, R. C. Forrey, and P. C. Stancil, Quantum Calculation of Inelastic CO Collisions with H. II. Pure Rotational Quenching of High Rotational Levels, Astrophysical Journal 811, 27 (2015).
  12. R. C. Forrey, B. H. Yang, P. C. Stancil, and N. Balakrishnan, Mutual vibrational quenching in CO+H2 collisions, Chem. Phys. 462 71, (2015).
  13. B. Yang, K. M. Walker, R. C. Forrey, P. C. Stancil, and N. Balakrishnan, Collisional quenching of highly rotationally excited HF, Astronomy & Astrophysics 578, A65 (2015).
  14. L. Song, N. Balakrishnan, A. van der Avoird, T. Karman, and G. C. Groenenboom, Quantum scattering calculations for ro-vibrational de-excitation of CO by hydrogen atoms, J. Chem. Phys. 142, 204303 (2015).
  15. B. Yang, P. Zhang, X. Wang, P. C. Stancil, J. M. Bowman, N. Balakrishnan, and R. C. Forrey, Quantum dynamics of CO-H2 in full dimensionality, Nature Communications 6, 6629 (2015).
  16. K. M. Walker, B. H. Yang, P. C. Stancil, N. Balakrishnan, and R. C. Forrey, On the validity of collider mass scaling for molecular rotational excitation, The Astrophysical Journal, 790, 96 (2014).
  17. D. G. A. Smith, K. Patkowski, D. Trinh, N. Balakrishnan, T.-G. Lee, R. C. Forrey, B. H. Yang, and P. C. Stancil, Highly correlated electronic structure calculations of the He-C3 van der Waals complex and collision induced rotational transitions of C3, J. Phys. Chem. A 118 , 6351 (2014).
  18. A. Bohr, S. Paolini, R. C. Forrey, N. Balakrishnan, and P. C. Stancil, A full-dimensional uantum dynamical study of H2+H2 collisions: coupled-states versus close-coupling formulation, , J. Chem. Phys. 140, 064308 (2014)).
  19. B. H. Yang, P. C. Stancil, N. Balakrishnan, R. C. Forrey, and J. M. Bowman, Quantum calculations of inelastic collisions with H.I. Rotational quenching of low-lying rotational levels, Astrophys. J. 771, 49 (2013).
  20. M.-L. Dubernet, M. H. Alexander, Y. A. Ba, N. Balakrishnan, C. Balanca, C. Ceccarelli, J. Cernicharo, F. Daniel, F. Dayou, M. Doronin, F. Dumouchel, A. Faure, N. Feautrier, D. R. Flower, F. Lique, A. Grosjean, P. Halvick, J. Klos, G. C. McBane, S. Marinakis, N. Moreau, R. Moszy´nski, D. A. Neufeld1, E. Roue, P. Schilke, A. Spielfiedel, P. C. Stancil1, T. Stoecklin, J. Tennyson, B. Yang1, A.-M. Vasserot, and L. Wiesenfeld, BASECOL2012: A Collisional Database Repository and Web Service within VAMDC, Astronomy & Astrophysics, Astronomy & Astrophysics, 553, A50 (2013)
  21. J. Nolte, P. C. Stancil, T.-G. Lee, N. Balakrishnan, and R. C. Forrey, Rovibrational quenching rate coefficients of HD in collisions with He, Astrophys. J 744, 62 (2012).
  22. W. el-Qadi, R. C. Forrey, B. H. Yang, P. C. Stancil, and N. Balakrishnan, Cold collisions of highly rotationally excited CO2 with He: the prospects for cold chemistry with super rotors, Phys. Rev. A 84, 054701 (2011).
  23. B. Yang, R. C. Forrey, P. C. Stancil, and N. Balakrishnan, Rotational quenching of CO due to H2 collisions, Astrophysical Journal718, 1062 (2010).
  24. B. Yang, R. C. Forrey, P. C. Stancil, and N. Balakrishnan, Complex scattering lengths for ultracold He collisions with rotationally excited linear and nonlinear molecules, Phys. Rev. A 82, 052711 (2010).
  25. J. L. Nolte, B.H. Yang, P. C. Stancil, T. G. Lee, N. Balakrishnan, R. C. Forrey, A. Dalgarno, Isotope effects in complex scattering lengths for He collisions with molecular hydrogen, Phys. Rev. A 81, 014701 (2010).
  26. T.-G. Lee, N. Balakrishnan, R. C. Forrey, P. C. Stancil, G. Shaw, D. R. Schultz, and G. J. Ferland, Rotational quenching rate coefficients for H2 in collisions with H2 from 2 to 10000 K, Astrophysical Journal 689, 1105 (2008).
  27. T.-G. Lee, C. Rochow, R. Martin, T. K. Clark, R. C. Forrey, N. Balakrishnan, P. C. Stancil, D. R. Schultz, A. Dalgarno, and G. J. Ferland, Close-coupling calculations of low-energy inelastic and elastic processes in 4He collisions with H2: A comparative study of two potential energy surfaces, J. Chem. Phys. 122, 024307 (2005).
  28. Nyamsuren Uudus, Shino Magaki, and N. Balakrishnan, Quantum mechanical investigation of ro-vibrational relaxation of H2 and D2 by collisions with Ar atoms, J. Chem. Phys. 122, 024304 (2005).
  29. Renat A. Sultanov and N. Balakrishnan, Isotope branching and tunneling in O(3P) + HD → OH+D; OD+H reactions, J. Chem. Phys. 121, 11038 (2004).
  30. C. Zhu, R. Krems, A. Dalgarno, and N. Balakrishnan, Chemistry of hydrogen fluoride in the interstellar medium, Astrophys. J. 577, 795 (2002).
  31. C. Cecchi-Pestellini, E. Bodo, N. Balakrishnan, and A. Dalgarno, Rotational and vibrational relaxation of CO molecules by collisions with 4He atoms, Astrophysics. J. 571, 1015 (2002).
  32. N. Balakrishnan, M. Yan, and A. Dalgarno, Quantum mechanical study of rotational and vibrational transitions in CO induced by H atoms, Astrophys. J. 568, 443 (2002).
  33. N. Balakrishnan, M. Vieira, J.F. Babb, A. Dalgarno, R. C. Forrey, and S. Lepp, Rate coefficients for rovibrational transitions in H2 due to collisions with He, Astrophys. J. 524, 1122 (1999).
  34. R. C. Forrey, N. Balakrishnan and A. Dalgarno, and S. Lepp, Quantum mechanical calculations of rotational transitions in H-H2 Collisions, Astrophys. J. 489, 1000 (1997).

Go to Top