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I am member in the Theory Division of Saha Institute of Nuclear Physics .

My main areas of Research Interests are :

 Black Holes

Quantum Field Theory

Noncommutative Geometry

Mathematical Physics

High Energy Physics

Recent  Publications :
  1. Asymptotic Quasinormal Modes of d-Dimensional Schwarzschild Black Holes with Gauss-Bonnet Correction
    Sayan K. Chakrabarti and Kumar S. Gupta
    to appear in Int. Jour. Mod. Phys. A
    hep-th/0506133

  2. Geometric Finiteness and Non-quasinormal Modes of the BTZ Black Hole
    Kumar S. Gupta and Siddhartha Sen
    Phys. Lett. B618, 237 (2005)
    hep-th/0504175

  3. Waves on Noncommutative Spacetimes
    A. P. Balachandran, Kumar S. Gupta and S. Kurkcuoglu
    Phys. Rev. D73, 025021 (2006)
    hep-th/0503087
     
  4. On the Real Spectra of Calogero Model with Complex Coupling
    5. Pijush K. Ghosh and Kumar S. Gupta
    Phys. Lett. A323, 29 (2004)
    hep-th/0310276
     
  5. Edge Currents in Non-Commutative Chern-Simons Theory
    6. from a New Matrix Model
    A. P. Balachandran, Kumar S. Gupta and S. Kurkcuoglu
    JHEP 0309, 007 (2003)
    hep-th/0306255
     
  6. Hidden Degeneracy in the Brick Wall Model of Black Holes
    7. Kumar S. Gupta and Siddhartha Sen
    Mod. Phys. Lett. A18, 1463 (2003)
    hep-th/0302183
     
  7. Inequivalent Quantizations of the Rational Calogero Models
    8. B. Basu-Mallick, Pijush K. Ghosh and Kumar S. Gupta
    Phys. Lett. A311, 87 (2003)
    hep-th/0208132
     
  8. Novel Quantum States of the Rational Calogero Models without
    9. the Confining Interaction
    B. Basu-Mallick, Pijush K. Ghosh and Kumar S. Gupta
    Nucl. Phys. B659, 437 (2003)
    hep-th/0207040
     
  9. Black Hole Decay as Geodesic Motion
    10. Kumar S. Gupta and Siddhartha Sen
    Phys. Lett. B574, 93 (2003)
    hep-th/0203094
     
  10. Further Evidence for the Conformal Structure of a Schwarzschild
    11. Black Hole in an Algebraic Approach
    Kumar S. Gupta and Siddhartha Sen
    Phys. Lett. B526, 121 (2002)
    hep-th/0112041
     
  11. Bound States in One-Dimensional Quantum N-Body Systems with
    12. Inverse Square Interaction
    B. Basu-Mallick and Kumar S. Gupta
    Phys. Lett. A292, 36 (2001)
    hep-th/0109022
     
  12. Near-Horizon Conformal Structure of Black Holes
    13. Danny Birmingham, Kumar S. Gupta and Siddhartha Sen
    Phys. Lett. B505, 191 (2001)
    hep-th/0102051
     
  13. Quantum Field Theories on Null Surfaces
    14. Kumar S. Gupta and Badis Ydri
    Int. Jour. Mod. Phys. A16, 1789 (2001)
    hep-th/0002177


Recent Seminars and Conference Talks :

  1. Aspects of Quantum Inverse Square Interaction
    Hamilton Mathematics Institute, Trinity College Dublin
    Dublin, Ireland, March 2005 (seminar)

  2. Edge Currents in Noncommutative Chern-Simons Theories on Manifolds with Boundaries
    Conference on Higher Dimensional Quantum Hall Effect, Chern-Simons Theory,
    and Noncommutative Geometry in Condensed Matter Physics and Field Theory,
    Abdus Salam ICTP, Trieste, Italy, 1-4 March, 2005 (invited talk)

  3. Aspects of Near-Horizon Conformal Symmetry
    4. Sixth Alexander Friedmann International Seminar
    on Gravitation and Cosmology
    Cargese, Corsica, France, July 2004 (invited talk)
     
  4. Near-Horizon Conformal Symmetry and Properties of Black Holes
    5. Department of Physics, University of Zagreb
    Zagreb, Croatia, May 2004 (seminar)
     
  5. Aspects of Calogero Model
    6. Ruder Boskovic Institute
    Zagreb, Croatia, May 2004 (seminar)
     
  6. Near-Horizon Conformal Symmetry and Properties of Black Holes
    7. Max Planck Institute for Gravitational Physics
    Albert Einstein Institute
    Golm, Germany, May 2004 (seminar)
     
  7. Quantum Aspects of the Inverse Square Interaction
    8. Saha Institute of Nuclear Physics
    Calcutta, India, December 2003 (seminar)
     
  8. Strong Coupling Inverse Square Interaction - Quantum Aspects
    9. Raman Research Institute
    Bangalore, India, November 2003 (seminar)
     
  9. Degeneracy of Quantum States in the Near-Horizon Region of Black Holes
    10. School of Mathematics
    Trinity College Dublin
    Dublin, Ireland, September 2003 (seminar)
     
  10. Noncommutative Chern-Simons Theory on a Manifold with Boundaries
    11. Workshop on Noncommutative Geometry
    Dublin Institute of Advanced Studies
    Dublin, Ireland, September 2003 (invited talk)
     
  11. Quantum Inverse Square Interaction
    12. Conference on Spacetime and Fundamental Interactions : Quantum Aspects
    Vietri sul Mare, Italy, May 2003 (invited talk)
    Mod. Phys. Lett. A18, 2355 (2003)
    hep-th/0308192
     
  12. Hidden Degeneracy in the Near-Horizon Region of Black Holes
    13. Department of Mathematics, Rome University "La Sapienza"
    Rome, Italy, May 2003 (seminar)
     
  13. Quantum Inverse Square Interaction
    14. Theory Division, Abdus Salam ICTP
    Trieste, Italy, May 2003 (seminar)
     
  14. Near-horizon States of Black Holes and Calogero Models
    15. PASCOS 2003,
    TIFR, Mumbai, India, Januray 2003 (contributed talk)
    Pramana 62, 691 (2004)
    hep-th/0304071
     
  15. Near-Horizon Conformal Structure and Entropy of Schwarzschild Black Holes
    16. International Workshop on Integrable Models, Strings and Quantum Gravity IMSC, Chennai, January 2002 (invited talk)
    hep-th/0204137
     
  16. Black Holes and Conformal Field Theory
    17. National Conference on Contemporary Issues in Nuclear and Particle Physics Jadavpur University, Kolkata, India, December 2001 (contributed talk)
     
  17. Probing the Near Horizon Conformal Structure of Black Holes
    18. Frontiers of Mathematical Physics Workshop on Particles, Fields and Strings Simon Fraser University, Burnaby, Canada, July 2001 (invited talk)
     
  18. Black Holes and the Near Horizon Conformal Structure
    19. Dept.of Physics, University of British Columbia
    Vancouver, Canada, July 2001 (seminar)
     
  19. Near Horizon Conformal Structure of Black Holes
    20. Saha Institute of Nuclear Physics
    Calcutta, India, April 2001 (seminar)