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 (Al4Li4) 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).