Quantum Fields in Accelerating and Inertial Frames: Exploring the Unruh Effect

Ashique, T. (2023) Quantum Fields in Accelerating and Inertial Frames: Exploring the Unruh Effect. Masters thesis, Indian Institute of Science Education and Research Kolkata.

Text (MS dissertation of Ashique T (18MS031)) Thesis_18MS031.pdf - Submitted Version Restricted to Repository staff only Download (689kB)

Abstract

Quantum field theory provides a powerful framework for describing the behavior of particles and their interactions in the quantum realm. However, the unification of quantum mechanics with general relativity, known as quantum gravity, remains an outstanding challenge. Quantum fields in accelerating and inertial frames serve as a testing ground to explore the fundamental principles that underlie quantum gravity. The Unruh effect, a compelling phenomenon in quantum field theory, demonstrates how the behavior of quantum fields differs between accelerating and inertial frames. It reveals that an accelerating observer perceives the vacuum state as a thermal bath of particles, while an inertial observer perceives the same field as being devoid of particles. This observer-dependence sheds light on the intricate connection between acceleration, spacetime geometry, and the quantum nature of particles. By studying quantum fields in accelerating and inertial frames, researchers gain valuable insights into the underlying principles of quantum gravity. These investigations provide a unique opportunity to probe the intricate interplay between quantum fields and the curvature of spacetime. They offer a glimpse into how quantum mechanics and general relativity can harmoniously coexist in a more comprehensive framework.

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