Gravity and the quantum

Ashtekar, Abhay

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学術論文

Gravity and the quantum

MPS-Authors

Ashtekar, Abhay
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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njp5_1_198.pdf
(出版社版), 320KB

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引用

Ashtekar, A. (2005). Gravity and the quantum. New Journal of Physics, 7:.

引用: https://hdl.handle.net/11858/00-001M-0000-0013-4DCF-4

要旨

The goal of this review is to present a broad perspective on quantum gravity for non-experts. After a historical introduction, key physical problems of quantum gravity are illustrated. While there are a number of interesting and insightful approaches to address these issues, over the past two decades sustained progress has primarily occurred in two programs: string theory and loop quantum gravity. The first program is described in Horowitz's contribution to this Focus Issue while my article will focus on the second. The emphasis is on underlying ideas, conceptual issues and overall status of the program rather than mathematical details and associated technical subtleties.