Jump to ContentJump to Main Navigation
The Story of Collapsing StarsBlack Holes, Naked Singularities, and the Cosmic Play of Quantum Gravity$
Users without a subscription are not able to see the full content.

Pankaj S. Joshi

Print publication date: 2015

Print ISBN-13: 9780199686766

Published to Oxford Scholarship Online: January 2015

DOI: 10.1093/acprof:oso/9780199686766.001.0001

Show Summary Details
Page of

PRINTED FROM OXFORD SCHOLARSHIP ONLINE (www.oxfordscholarship.com). (c) Copyright Oxford University Press, 2020. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 07 April 2020

A Lab for Quantum Gravity

A Lab for Quantum Gravity

(p.180) 9 A Lab for Quantum Gravity
The Story of Collapsing Stars

Pankaj S. Joshi

Oxford University Press

This chapter discusses here the various approaches available today to construct a quantum theory of gravity for the universe. These include the string theories and loop quantum gravity considerations, and various other approaches. It is then emphasized that what is really needed is observational data from the universe where quantum gravity Effects may be playing an important role. The key action of gravitational collapse phenomena is brought out here. If we accept that naked singularities can indeed form during gravitational collapse at the end of a massive star’s life cycle, or in some other circumstances, then a remarkable array of exciting possibilities is opened up to us. This is because the observational signatures of the physical processes occurring in super-ultra-strong gravity regions, where matter densities and curvatures will be in the extreme, become visible to external observers in the Universe. Such physical processes would naturally involve quantum gravity signatures, because both strong gravity and quantum effects must work together in such regions. The chapter wonders whether, as a result, this creates a quantum gravity laboratory in nature.

Keywords:   quantum gravity, quantum effects near singularities, quantum stars

Oxford Scholarship Online requires a subscription or purchase to access the full text of books within the service. Public users can however freely search the site and view the abstracts and keywords for each book and chapter.

Please, subscribe or login to access full text content.

If you think you should have access to this title, please contact your librarian.

To troubleshoot, please check our FAQs , and if you can't find the answer there, please contact us .