##
__Research Publications from our group__

- Deepika Janakiraman and K. L. Sebastian: Phase space path integral approach to harmonic oscillator with a time-dependent force constant.
**Physica A - Statistical Mechanics and its Applications**, 433, 198-203, (2015). - Deepika Janakiraman and K. L. Sebastian: Unusual eigenvalue spectrum and relaxation in the Levy-Ornstein-Uhlenbeck process (vol 90, 040101, 2014).
**Physical Review E**, 91, 019904, (2015). - Deepika Janakiraman and K. L. Sebastian: Unusual eigenvalue spectrum and relaxation in the Levy-Ornstein-Uhlenbeck process.
**Physical Review E**, 90, 040101, (2014). - Pallavi Bhattacharyya and K. L. Sebastian: Linewidths and line shapes in the vicinity of graphene.
**Journal of Chemical Physics**, 141, 084706, (2014). - Rajarshi Chakrabarti, Ananya Debnath and K. L. Sebastian: Diffusion in an elastic medium: A model for macromolecule transport across the nuclear pore complex.
**Physica A-Statistical Mechanics and its Applications**, 404, 65-78, (2014). - Pallavi Bhattacharyya and K. L. Sebastian: Adiabatic Eigenfunction Based Approach to Coherent Transfer: Application to the Fenna-Matthews-Olson (FMO) Complex and the Role of Correlations in the Efficiency of Energy Transfer.
**Journal of Physical Chemistry A**, 117, 8806-8813, (2013). - Pallavi Bhattacharyya and K. L. Sebastian: Adiabatic eigenfunction-based approach for coherent excitation transfer: An almost analytical treatment of the Fenna-Matthews-Olson complex.
**Physical Review E**, 87, 062712, (2013). - Deepika Janakiraman and K. L. Sebastian: Path-integral formulation for Levy flights: Evaluation of the propagator for free, linear, and harmonic potentials in the over- and underdamped limits.
**Physical Review E**, 86, 061105, (2012). - Deepika Janakiraman and K. L. Sebastian: Partition function for hindered, one-and multi-dimensional rotors.
**Computational and Theoretical Chemistry**, 988, 6-12, (2012). - R. S. Swathi and K. L. Sebastian: Excitation energy transfer from dye molecules to doped graphene.
**Journal of Chemical Sciences**, 124, 233-240, (2012). - C. Motta, M. I. Trioni, G. P. Brivio et al.: Conductance of a photochromic molecular switch with graphene leads.
**Physical Review B**, 84, 113408, (2011). - K. L. Sebastian, V. G. Rostiashvili and T. A. Vilgis: Dynamics of pulled desorption with effects of excluded-volume interaction: The p-Laplacian diffusion equation and its exact solution.
**EPL**, 95, 48006, (2011). - Shrabani Dinda, K. L. Sebastian and Ashoka G. Samuelson: Mechanistic Aspects of Nucleophilic Substitution at Half-Sandwich Metal Complexes.
**Organometallics**, 29, 6209-6218, (2010). - Ananya Debnath, Alok K. R. Paul and K. L. Sebastian: Barrier crossing in one and three dimensions by a long chain.
**Journal of Statistical Mechanics-Theory and Experiment**, P11024, (2010). - R. S, Swathi and K. L. Sebastian: Excitation energy transfer from a fluorophore to single-walled carbon nanotubes.
**Journal of Chemical Physics**, 132, 104502, (2010). - Rajarshi Chakrabarti and K. L. Sebastian: A lower bound to the survival probability and an approximate first passage time distribution for Markovian and non-Markovian dynamics in phase space.
**Journal of Chemical Physics**, 131, 224504, (2009). - K. P. Santo and K. L. Sebastian: Dynamics of loop formation in a semiflexible polymer.
**Physical Review E**, 80, 061801, (2009). - R. S. Swathi and K. L. Sebastian: Distance dependence of fluorescence resonance energy transfer.
**Journal of Chemical Sciences**, 121, 777-787, (2009). - M. V. Sangaranarayanan and K. L. Sebastian: Theoretical Chemistry and Electrochemistry.
**Journal of Chemical Sciences**, 121, 559-560, (2009). - R. S. Swathi and K. L. Sebastian: Long range resonance energy transfer from a dye molecule to graphene has (distance)(-4) dependence.
**Journal of Chemical Physics**, 130, 086101, (2009). - K. L. Sebastian and R. de Levie: SK Rangarajan, a tribute.
**Journal of Electroanalytical Chemistry**, 624, 333-340, (2008). - R. S. Swathi and K. L. Sebastian: Resonance energy transfer from a dye molecule to graphene.
**Journal of Chemical Physics**, 129, 054703, (2008). - S Arunachalam, G. Baskaran and K. L. Sebastian: S. K. Rangarajan (1932-2008).
**Current Science**, 95, 115-116, (2008). - Priyadarshi Satpati and K. L. Sebastian: Stabilization of an all-metal antiaromatic molecule (Al
_{4}Li_{4}) using BH and C as caps.**Inorganic Chemistry**, 47, 2098-2102, (2008). - N. Bala Saidulu and K. L. Sebastian: Interfacial tension model for catalytically driven nanorods.
**Journal of Chemical Physics**, 128, 074708, (2008). - Priyadarshi Satpati and K. L. Sebastian: Tunneling of three borons in a B-12 cluster.
**Journal of Molecular Structure-Theochem**, 823, 74-77, (2007). - Ananya Debnath and K. L. Sebastian: Barrier crossing by a star polymer.
**Physical Review E**, 76, 051803, (2007). - R. S. Swathi and K. L. Sebastian: Resonance energy transfer from a fluorescent dye molecule to plasmon and electron-hole excitations of a metal nanoparticle.
**Journal of Chemical Physics**, 126, 234701, (2007). - Aniruddha Chakraborty, Sayan Bagchi and K. L. Sebastian: Buckled nano rod - A two state system and its dynamics.
**Journal of Computational and Theoretical Nanoscience**, 4, 504-513, (2007). - Ananya Debnath, Rajarshi Chakrabarti and K. L. Sebastian: Rate processes with dynamical disorder: A direct variational approach.
**Journal of Chemical Physics**, 124, 204111 (2006). - Ananya Debnath and K. L. Sebastian: Polymer in a double well: dynamics of translocation of short chains over a barrier.
**Journal of Physics: Condensed Matter**, 18, S283 (2006). - A. Chakrabarti, S. Bagchi and K. L. Sebastian: Buckling of a nanorod-a two state system and its dynamics.
**Journal of Computational and Theoretical Nanoscience**, 4, 504–513 (2007). - K. P. Santo and K. L. Sebastian: Opening of a weak link in a semi-flexible polymer loop.
**Physical Review E**, 73, 031923 (2006). - K. L. Sebastian and M. Tachiya: Theory of photoinduced heterogenous electron transfer.
**Journal of Chemical Physics**, 124, 064713 (2006). - K. L. Sebastian, Aniruddha Chakraborty and M. Tachiya: The dynamics of solvation of an electron in the image potential state by a layer of polar adsorbates.
**Journal of Chemical Physics**, 123, 214704 (2005). - Bidisa Das, K. L. Sebastian and A. G. Samuelson: (QCO)+ as the model for bonding in non-classical carbonyls: a force approach study.
**Journal of Molecular Structre (THEOCHEM)**, 730, 69 (2005). - Bidisa Das and K. L. Sebastian: Molecular roller and rocker on surfaces.
**Journal of Computational and Theoretical Nanoscience**, 2, 117 (2005). - Bidisa Das, K. L. Sebastian and A. G. Samuelson: Fluxional hopping of Fe(CO)_3 in some of its complexes with dienes.
**Journal of Molecular Structre (THEOCHEM)**, 712, 21 (2004). - K. L. Sebastian: Theoretical Design for a light driven molecular motor based on rotaxanes.
**Current Science**, 87, 232 (2004). - K. L. Sebastian, Aniruddha Chakraborty and M. Tachiya: A continuum approach to electron solvation by a layer of polar adsorbates.
**J. Chem. Phys.**, 119, 10350 (2003). - Aniruddha Chakraborty, Keshav Kumar and K. L. Sebastian: Dynamics of vibrational excitation in the fullerene C-60 single molecule transistor.
**Physical Review B**, 68, Art. No. 085411 (2003). - Bidisa Das and K. L. Sebastian: Through Ring Umbrella Inversion of a Molecular Rattle.
**Chemical Physics Letters**, 365, 320 (2002). - Rosabella Puthur and K. L. Sebastian: Theory of polymer breaking under tension
**Physical Review B**, 66, 024304, (2002). - Keshav Kumar and K. L. Sebastian: Forcing a polymer out of a potential well.
**Chemical Physics Letters**, 359, 101-108, (2002). - Bidisa Das and K. L. Sebastian: Molecular Wheels on Surfaces.
**Chemical Physics Letters**, 357, 25 (2002). - K. P. Santo and K. L. Sebastian: Simple model for the kinetics of packaging of DNA into a capsid against an external force.
**Physical Review E**65, 052902, (2002). - G. Srinivas, K. L. Sebastian and B. Bagchi: Time dependent Survival Probability in diffusion controlled reactions in a polymer chain: Beyond the Wilemski-Fixman theory.
**Journal of Chemical Physics**, 116, 7276 (2002). - K. L. Sebastian: Barrier crossing by a flexible long chain molecule - the kink mechanism.
**Biophysical Chemistry: Membranes and Proteins**, Edited by R. H. Templer and R. Leatherbarrow, published by Royal Society of Chemistry, 283, 147 (2002) . - Bidisa Das and K. L. Sebastian: Adsorbed Hypostrophene: Can it roll on a surface by rearrangement of its bonds?
**Chemical Physics Letters**, 330, 433 (2000). - K. Kiran Kumar and K. L. Sebastian: Adsorption assisted translocation of a chain molecule through a pore.
**Physical Review E**, 62, 7536 (2000). - K. L. Sebastian and A. K. R. Paul: Kramers Problem for a polymer in a double well.
**Physical Review E**, 62, 927 (2000). - K. L. Sebastian: Pulling a polymer out of a potential well and the mechanical unzipping of DNA.
**Physical Review E**, 62, 1128 (2000). E-print available at LANL archive as cond-mat/0004384. - K. L. Sebastian: A. K. Chandra - An obituary.
**Current Science**, 78, 913 (2000). - K. L. Sebastian: Kink motion in a chain molecule driven through a pore.
**J. Am. Chem. Soc.**, 122, 2972 (2000). - K. L. Sebastian: Kink Motion in the Barrier Crossing of a Chain molecule.
**Physical Review E**, 61, 3245 (2000). - K. L. Sebastian: Molecular Ratchets: Verification of the principle of detailed balance and the second law of dynamics.
**Physical Review E**, 61, 937 (2000). - Rosabella Puthur and K. L. Sebastian: Breaking of a polymer - multidimensional classical transition state theory and beyond
**Chemical Physics Letters**, 304, 399 (1999). - K. L. Sebastian: Nanotechnology: Molecular wheel within a supramolecular bearing observed!.
**Current Science**75, 536-537 (1998). - K. L. Sebastian: Electronic friction in proton tunneling at the electrochemical interface.
**Journal of Chemical Physics**, 109, 1111 (1998). - K. L. Sebastian: On modified Brownian Motion and polymers in external fields.
**Journal of Chemical Physics**, 107, 6503 (1997). - N. Chakravarti and K. L. Sebastian: Fractional Brownian Motion Model for polymers.
**Chemical Physics Letters**, 267, 9 (1997). - K. L. Sebastian: Principle of maximum physical hardness - Comments.
**Current Science**, 71, 92 (1996). - K. L. Sebastian: Path-integral representation for fractional brownian-motion.
**Journal of Physics A - Mathematical and General**, 28, 4305 (1995). - P. K. Chattaraj and K. L. Sebastian: Solitons in a ring - a theoretical-model for pseudorotation.
**Journal of the Indian Chemical Society**, 72, 521 (1995). - K. L. Sebastian: On the proof of the principle of maximum hardness (VOL 231, PG 40, 1994).
**Chemical Physics Letters**, 236, 621 (1995). - K. L. Sebastian: On the proof of the principle of maximum hardness.
**Chemical Physics Letters**, 231, 40 (1994). - K. Sumithra and K. L. Sebastian: Polymer-molecules at chemically random surfaces.
**Journal of Physical Chemistry**, 98, 9312 (1994). - K. L. Sebastian: Diffusion-reaction approach to electronic relaxation in solution. Exact solution for delta function sink models.
**Proceedings of the Indian Academy of Sciences (Chemical Science)**, 106, 493 (1994). - K. L. Sebastian and G. Doyen: Tunneling in presence of coupling to other modes: Application to scanning tunneling microscopy.
**Journal of Chemical Physics**, 99, 6677 (1993). - K. L. Sebastian and G. Doyen: Electrochemical scanning tunneling microscopy: Does the orientational polarization of the liquid play any role?
**Surface Science**, 290, L703 (1993). - K. L.Sebastian and N.Chakravarti: Adiabaticity in electrochemical electron transfer - a perspective from a diffusion reaction approach.
**Journal of Electro-analytical Chemistry**, 351, 57 (1993). - N. Chakravarthi and K. L. Sebastian: Theory of barrierless electronic relaxation in solution - Delta function sink models.
**Chemical Physics Letters**, 204, 496 (1993). - K. L. Sebastian and G. Doyen: Dynamical image interaction in scanning tunneling microscopy.
**Physical Review B**, 47, 7634 (1993). - K. L. Sebastian and K. Sumithra: Adsorption of a polymer on a random surface.
**Physical Review E**, 47, R32, (1993). - K. L. Sebastian: Theory of electronic relaxation in solution. Exact solution for delta function sink in a parabolic potential.
**Physical Review A**, 46, R1732 (1992). - K. L. Sebastian: Statistical Thermodynamics of the peeling of a polymer from a line.
**Chemical Physics Letters**, 194, 375 (1992). - N. Chakravarthi and K. L. Sebastian: Electrochemical electron transfer - a diffusion reaction equation approach.
**Chemical Physics Letters**, 193, 456 (1992). - K. Sumithra and K. L. Sebastian: Reaction Dynamics on Surfaces in the Harmonic Approximation.
**Chemical Physics Letters**, 181, 549, (1991). - K. L. Sebastian: Electrochemical electron-transfer - accounting for electron-hole excitations in the metal-electrode.
**Journal of Chemical Physics**, 90, 5056 (1989). - K. L. Sebastian and V. Jayadev: Selection rule in the vibrational-electron-hole pair energy-transfer for molecules interacting with metal-surfaces.
**Journal of Chemical Physics**, 88, 487 (1988). - K. L. Sebastian and P. Ananthapadmanabhan: Dynamics of adiabatic electron-transfer reactions at metal-electrodes.
**Journal of Electroanalytical Chemistry**, 230, 43 (1987). - K. L. Sebastian: Trajectory approach to the calculation of sticking probability.
**Proceedings of the Indian Academy of Sciences-Chemical Sciences**, 99, 53 (1987). - K. L. Sebastian: Exact evaluation of a fredholm determinant associated with path-integrals.
**Physics Letters A**, 119, 383 (1987). - K. L. Sebastian: Correlation-effects in ion neutralization scattering with the use of a time-dependent coupled-cluster approach.
**Physical Review B**, 31, 6976 (1985). - K. L. Sebastian: Electron-transfer in the reflection of ions atoms from metal-surfaces using the time-dependent newns-anderson hamiltonian.
**Physics Letters A**, 98, 39 (1983). - K. L. Sebastian: Exact evaluation of a path integral with generalized memory.
**Physics Letters A**, 95, 131 (1983). - T. B. Grimley, V. C. J. Bhasu, and K. L. Sebastian: Electron-transfer in the reflection of atoms from metal-surfaces.
**Surface Science**, 124, 305 (1983). - K. L. Sebastian: Wigner phase-space method - exact solution of a harmonic-oscillator with time-dependent force-constant.
**Journal of Chemical Physics**, 76, 1075 (1982). - K. L. Sebastian: Exact evaluation of gaussian path-integrals involving nonlocal potentials.
**Physics Letters A**, 91, 387 (1982). - K. L. Sebastian: Correction.
**Chemical Physics Letters**, 83, 215 (1981). - K. L. Sebastian: The classical description of scattering from a quantum system.
**Chemical Physics Letters**, 81, 14 (1981). - K. L. Sebastian: Wigner phase-space method - Application to a forced harmonic-oscillator.
**Chemical Physics Letters**, 80, 531 (1981). - K. L. Sebastian and V. C. J. Bhasu: On the statistical quasiclassical method.
**Chemical Physics Letters**, 79, 105 (1981). - K. L. Sebastian: The density operator approach to scattering-theory.
**Journal of Physics A - Mathematical and General**, 14, 1233 (1981). - G. C. Aers, T. B. Grimley, J. B. Pendry et al.: Electron-energy loss spectroscopy - calculation of the impact scattering from W(100)P(1 X 1)H.
**Journal of Physics C - Solid State Physics**, 14, 3995 (1981). - K. L. Sebastian, V. C. J. Bhasu and T. B. Grimley: Theory of ion neutralization scattering from surfaces.
**Surface Science**, 110, L571 (1981). - G. C. Aers, T. B. Grimley, J. B. Pendry et al.: Impact scattering calculation for angle-resolved eels.
**Vacuum**, 31, 537 (1981). - K. L. Sebastian and V. C. J. Bhasu: Theory of charge-exchange scattering from surfaces.
**Vacuum**, 31, 661 (1981). - T. B. Grimley and K. L. Sebastian: Many-body theory of inelastic electron-scattering from adsorbate vibrations.
**Journal of Physics C - Solid State Physics**, 13, 5645 (1980). - K. L. Sebastian: Selection rule in electron-energy loss spectroscopy of adsorbed molecules.
**Journal of Physics C - Solid State Physics**, 13, L115 (1980). - K. L. Sebastian: Superoperator formalism and chemisorption theory .2. semi-infinite linear-chain.
**Molecular Physics**, 40, 959 (1980). - K. L. Sebastian: Selection rule in electron-impact vibrational-excitation of adsorbed molecules.
**Physical Review Letters**, 44, 1414 (1980). - K. L. Sebastian and S. K. Rangarajan: Superoperator formalism and chemisorption theory.
**Molecular Physics**, 38, 1567 (1979). - K. L. Sebastian and A. K. Chandra: Short-range interactions between 2 rare-gas atoms.
**Pramana**, 12, 9 (1979). - K. L. Sebastian and A. K. Chandra: Study of interaction in the lowest singlet and triplet-states of h-2.
**Proceedings of the indian academy of sciences-Chemical Sciences**, 88, 445 (1979). - S. K. Rangarajan and K. L. Sebastian: Matrix identity and perturbation expressions.
**Molecular Physics**, 36, 343 (1978). - A. K. Chandra and K. L. Sebastian: Study of interactions in He2+1 in terms of the electronic forces.
**Molecular Physics**, 36, 1495 (1978). - K. L. Sebastian, P. Narayanan and K. T. R. Varma: Greens functions in quantum chemistry .2. Improving the sigma-perturbation approach.
**Pramana**, 11, 529 (1978). - K. L. Sebastian: Greens functions in quantum chemistry .1. Sigma-perturbation method.
**Pramana**, 10, 341 (1978). - A. K. Chandra and K. L. Sebastian: Study of interaction between 2 He+ ions in terms of electronic forces.
**Chemical Physics Letters**, 41, 593 (1976). - A. K. Chandra and K. L. Sebastian: View of bond-formation in HeH
^{+}from separated species.**Molecular Physics**, 31, 1489 (1976).