IITKGP
Soumangsu Bhusan Chakraborty, IIT Kharagpur

Soumangsu Bhusan Chakraborty

Assistant Professor Grade-I

Physics

soumangsu@phy.iitkgp.ac.in

Research Areas

  • String Theory
  • Quantum gravity
  • Quantum field theory
  • Quantum entanglement in QFTs
  • Mathematical Physics
From the microscopic vibrations of String Theory to the large-scale structure of the cosmos, my research seeks to bridge the gap between quantum mechanics and gravity. I’m interested in understanding how the universe is built. I'm interested in understanding the tiniest "building blocks" of nature to see how they come together to form the very fabric of space and time.

The Holographic Frontier

One of the most profound breakthroughs in modern physics is the Gauge-Gravity Correspondence. This principle suggests that a theory of quantum gravity can be "mapped" onto a simpler quantum field theory—much like a 2D hologram encodes a 3D image.

While we have mastered this in "toy models" (AdS space), the real challenge lies in our own backyard. Our universe is nearly flat, with a tiny positive cosmological constant. A primary goal of my work is to extend these holographic tools to Flat Spacetime, moving us closer to a realistic description of the physical world we inhabit.

Unlocking the Black Hole Paradox

In 1975, Stephen Hawking posed a question that shook physics: if a black hole evaporates, what happens to the information inside? To solve this Information Paradox, we must look at the "atoms" of spacetime.

Microstate Counting: Investigate the statistical mechanical origin of black hole entropy.

Quantum Resolution: By identifying the specific microstates in string theory, we aim to provide a concrete accounting for the heat and entropy of these celestial giants.

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    • Co-Principal Investigator
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