Combines three distinct research areas under one roof Gives a feel for classical gravity, semi-classical gravity, and the microscopic structure of spacetime Is based on cutting-edge research in theoretical gravitational physics

Introduces the reader to current trends in theoretical gravitational physics, as well as future prospects

Nominated as an outstanding PhD thesis by the Inter-University Centre for Astronomy and Astrophysics (IUCAA), India Combines three distinct research areas under one roof Gives a feel for classical gravity, semi-classical gravity, and the microscopic structure of spacetime Is based on cutting-edge research in theoretical gravitational physics Introduces the reader to current trends in theoretical gravitational physics, as well as future prospects Includes supplementary material: sn.pub/extras

Autorentext

Throughout school, college and university Sumanta Chakraborty has won numerous prizes and scholarships, including the most prestigious fellowships in India (the Shyama Prasad Mukherjee Fellowship, the Satyendra Nath Bose Memorial Prize, the KVPY fellowship and the INSPIRE fellowship). He has also received the INFN fellowship from Italian National Institute of Nuclear Physics. Further, his essay has received honorable mention in 2016 gravity essay competition.

During his research career, he has published thirty five research papers in refereed international journals. Besides, he has written a chapter in the book Gravity and the Quantum, published by Springer.

Currently he is a National Post Doctoral Fellow working at IACS, Kolkata, In dia.

Inhalt

Part I: Introduction and Motivation.- It is all About Gravity.- Part II: Geometrical Aspects of Gravitational Action.- Setting the Stage: Review of Previous Results.- Alternative Geometrical Variables in Lanczos-Lovelock Gravity.- Part III: Thermodynamics, Gravity and Null Surfaces.- Thermodynamic Interpretation of Geometrical Variables.- Spacetime Evolution and Equipartition in Lanczos-Lovelock Gravity.- Lanczos-Lovelock Gravity from a Thermodynamic Perspective.- Null Surface Geometry and Associated Thermodynamics.- Entropy of a Generic Null Surface from its Associated Virasoro Algebra.- Part IV: Classical Gravity, Quantum Matter.- A Quantum Peek Inside the Black Hole Event Horizon .- Information Retrieval from Black Holes.- Dynamic Realization of the Unruh Effect for a Geodesic Observer.- Part V: Zero Point Length-Towards Quantum Gravity.- Spacetime with Zero Point Length is Two-Dimensional at the Planck Scale.- Part VI: Summary and Outlook.- Summary and Outlook. <p