Harpreet Singh

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Research

Research Interests

Black Hole Information Loss Paradox

In the realm of theoretical physics, the Information Loss Paradox stands as a perplexing enigma, challenging our fundamental understanding of the universe. Originating from the profound insights of black hole physics, this paradox delves into the fate of information that seemingly vanishes into the depths of these cosmic entities.

At the heart of the paradox lies a clash between two fundamental principles of physics: the conservation of information and the predictions of general relativity. According to classical physics, information cannot be destroyed, implying that every interaction and state of matter in the universe carries a unique imprint of information. However, when considering the quantum mechanical aspects of black holes, particularly through the lens of Hawking radiation, a paradox emerges.

Hawking radiation, a concept proposed by the renowned physicist Stephen Hawking, suggests that black holes emit radiation over time and gradually lose mass, eventually leading to their evaporation. This poses a profound question: What happens to the information that falls into a black hole? If a black hole evaporates completely, does the information encoded within it disappear from the universe, violating the principles of information conservation?

Various theories and conjectures have been proposed to tackle this paradox, ranging from the idea of holographic principles and quantum entanglement to the exploration of hidden degrees of freedom within black holes. Each hypothesis offers a glimpse into the intricate interplay between gravity, quantum mechanics, and the fabric of spacetime itself.

The Information Loss Paradox serves as a crucible for theoretical physicists, prompting intense debates and fueling groundbreaking research. It beckons us to delve deeper into the nature of reality, challenging our assumptions and pushing the boundaries of scientific inquiry. As we unravel the mysteries of this paradox, we embark on a journey toward a more profound understanding of the cosmos and our place within it.

Research Projects Completed

  1. 'Calculation of Spectra of Hawking Radiation from Black Holes and their Analogues' with Malay K. Nandy at IIT Guwahati in 2022.
  2. 'An Overview of Nuclear Structure Properties of Isotopes around Mass Number A ~ 100' with Arun Bharti at Jammu University in 2020.