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Department of Atomic Energy, Govt. of India
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Recent Seminar

Title              :

Can Gravitational Wave Data on Binary Black Hole Collisions constrain Beyond-Standard-Model Particle Spectrum?

Speaker         : Parthasarathi Majumdar, IACS Kolkata
Date                : March 26, 2026
Time               : 3:30 PM
Venue            : Seminar room 3307
Abstract        :

The talk briefly reviews how gravitational wave data from 
binary black hole collisions validate Hawking's black hole area theorem. 
Based on this, and the Generalized second law of thermodynamics, in a 
universe with black holes, an absolute consistency criterion is proposed 
on the logarithmic corrections to the Bekenstein-Hawking Area Formula 
for black hole entropy. Two seemingly disparate approaches to quantum 
gravity are then examined, in an attempted amalgamation, vis-a-vis the 
absolute consistency criterion emerging from BBHC-GW data validating the 
Hawking Theorem. This exercise appears to impose indirect constraints on 
the Beyond-Standard-Model elementary particle spectrum.

 

 

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