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gr-qc2004
Gravity and the Quantum
Abhay Ashtekar
The goal of this article is to present a broad perspective on quantum gravity for \emph{non-experts}. After a historical introduction, key physical problems of quantum gravity are…
gr-qc2004
Background Independent Quantum Gravity: A Status Report
Abhay Ashtekar, Jerzy Lewandowski
The goal of this article is to present an introduction to loop quantum gravity -a background independent, non-perturbative approach to the problem of unification of general relativ…
gr-qc2004
Multipole Moments of Isolated Horizons
Abhay Ashtekar, Jonathan Engle, Tomasz Pawlowski +1
To every axi-symmetric isolated horizon we associate two sets of numbers, and with , representing its mass and angular momentum multipoles. They provi…