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Quantum horizons and black hole entropy: Inclusion of distortion and rotation
Abhay Ashtekar, Jonathan Engle, Chris Van Den Broeck
Equilibrium states of black holes can be modelled by isolated horizons. If the intrinsic geometry is spherical, they are called type I while if it is axi-symmetric, they are called…
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…
Isolated and dynamical horizons and their applications
Abhay Ashtekar, Badri Krishnan
Over the past three decades, black holes have played an important role in quantum gravity, mathematical physics, numerical relativity and gravitational wave phenomenology. However,…
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…
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…