Department of Chemistry, IIT Kanpur
FB435 (office), SL304 (group)
phone: +91-512-2597043
Fax: +91-512-2597436

srihari@iitk.ac.in

research

publications

teaching

group

We are interested in understanding and controlling intramolecular vibrational energy redistribution - the primordial step in a chemical reaction. We seek both time-dependent and time-independent (eigenstates) insights using classical, semiclassical and quantum perspectives. The primary aim is to highlight the classical-quantum correspondence of energy flow dynamics in polyatomic molecules. More specifically, we hope to elucidate the phase space topology/transport in such systems which typically show a mixed regular-chaotic phase space. Ultimately, we would like to use our insights into classical dynamics to control both classical and quantum dynamics. A brief introduction to our research can be found here and the writeup gives a bit more detail.


Recent publications

  • A. Sethi and Srihari Keshavamurthy, Bichromatically driven double well: parametric perspective of the strong-field control landscape reveals the influence of chaotic states, J. Chem. Phys. 128, 164117 (2008).
  • Srihari Keshavamurthy, Dynamical tunneling in molecules: quantum routes to energy flow, Int. Rev. Phys. Chem. 26, 521 (2007).
  • P. Manikandan and Srihari Keshavamurthy, Intramolecular vibrational energy redistribution of a high frequency mode in the presence of an internal rotor: Classical thick-layer diffusion and quantum localization, J. Chem. Phys. 127, 064303 (2007).
  • Aravindan Semparithi and Srihari Keshavamurthy, Intramolecular vibrational energy redistribution as diffusion in state space: classical-quantum correspondence, J. Chem. Phys. (communication) 125, 141101 (2006).
  • Srihari Keshavamurthy, Resonance-assisted tunneling in three degrees of freedom without discrete symmetry, Phys. Rev. E (rapid comm.) 72, 045203 (2005).


Biography: B.Sc. (Vivekananda College, Univ. of Madras 1987); M.S. (Villanova U. 1989 with JR de La Vega); Ph.D. (Berkeley 1994 with WH Miller); Postdoc (Cornell with GS Ezra); Joined IITK (1996); Gopal Das Bhandari Outstanding Teacher Award (2008); Curriculum Vitae.