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6 papers · 1 filter
Voros product, Noncommutative Schwarzschild Black Hole and Corrected Area Law
Rabin Banerjee, Sunandan Gangopadhyay, Sujoy Kumar Modak
We show the importance of the Voros product in defining a noncommutative Schwarzschild black hole. The corrected entropy/area-law is then computed in the tunneling formalism. Two t…
Hawking radiation from black holes in de Sitter spaces via covariant anomalies
Sunandan Gangopadhyay
We apply the covariant anomaly cancellation method to compute the Hawking fluxes from the event and cosmic horizons of the Schwarzschild-de Sitter black hole. The derivation is new…
Noncommutative quantum mechanics of a test particle under linearized gravitational waves
Anirban Saha, Sunandan Gangopadhyay
We consider the quantum dynamics of a test particle in noncommutative space under the influence of linearized gravitational waves in the long wave-length and low-velocity limit. A…
Path integral action of a particle in the non commutative plane
Sunandan Gangopadhyay, Frederik G Scholtz
Non commutative quantum mechanics can be viewed as a quantum system represented in the space of Hilbert-Schmidt operators acting on non commutative configuration space. Taking this…
Gödel black hole, closed timelike horizon, and the study of particle emissions
Sourav Bhattacharya, Anirban Saha
We show that a particle, with positive orbital angular momentum, following an outgoing null/timelike geodesic, shall never reach the closed timelike horizon (CTH) present in the $(…
Harmonic oscillator in a background magnetic field in noncommutative quantum phase-space
Joseph Ben Geloun, Sunandan Gangopadhyay, Frederik G Scholtz
We solve explicitly the two-dimensional harmonic oscillator and the harmonic oscillator in a background magnetic field in noncommutative phase-space without making use of any type…