**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

`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`

`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`

`Waves on Noncommutative Spacetimes`

`A. P. Balachandran, Kumar S. Gupta and S. Kurkcuoglu`

`Phys. Rev. D73, 025021 (2006)`

`hep-th/0503087`

`On the Real Spectra of Calogero Model with Complex Coupling``Edge Currents in Non-Commutative Chern-Simons Theory``Hidden Degeneracy in the Brick Wall Model of Black Holes``Inequivalent Quantizations of the Rational Calogero Models``Novel Quantum States of the Rational Calogero Models without``Black Hole Decay as Geodesic Motion``Further Evidence for the Conformal Structure of a Schwarzschild``Bound States in One-Dimensional Quantum N-Body Systems with``Near-Horizon Conformal Structure of Black Holes``Quantum Field Theories on Null Surfaces`

__Recent
Seminars and Conference Talks :__

`Aspects of Quantum Inverse Square Interaction`

`Hamilton Mathematics Institute, Trinity College Dublin`

`Dublin, Ireland, March 2005 (seminar)`

`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)`

`Aspects of Near-Horizon Conformal Symmetry``Near-Horizon Conformal Symmetry and Properties of Black Holes``Aspects of Calogero Model``Near-Horizon Conformal Symmetry and Properties of Black Holes``Quantum Aspects of the Inverse Square Interaction``Strong Coupling Inverse Square Interaction - Quantum Aspects``Degeneracy of Quantum States in the Near-Horizon Region of Black Holes``Noncommutative Chern-Simons Theory on a Manifold with Boundaries``Quantum Inverse Square Interaction``Hidden Degeneracy in the Near-Horizon Region of Black Holes``Quantum Inverse Square Interaction``Near-horizon States of Black Holes and Calogero Models``Near-Horizon Conformal Structure and Entropy of Schwarzschild Black Holes``Black Holes and Conformal Field Theory``Probing the Near Horizon Conformal Structure of Black Holes``Black Holes and the Near Horizon Conformal Structure``Near Horizon Conformal Structure of Black Holes`

Vancouver, Canada, July 2001 (seminar)

Calcutta, India, April 2001 (seminar)