Abhay Ashtekar

Abhay Ashtekar is the Eberly Professor of Physics and the Director of the Institute for Gravitational Physics and Geometry at the Pennsylvania State University. As the creator of Ashtekar variables, he is one of the founders of loop quantum gravity. He has written a number of descriptions of loop quantum gravity that are accessible to non-physicists.

Abhay Ashtekar

Talks by Abhay Ashtekar

Open Discussion with today's speakers (Ashtekar, Surya, Vieira)
- Abhay Ashtekar Pennsylvania State University
- Sumati Surya Raman Research Institute
- Pedro Vieira Perimeter Institute for Theoretical Physics
October 25, 2023
PIRSA:23100012
Quantum Gravity
Panel Discussion - Cosmological Puzzles (Ashtekar, Brandenberger, Geshnizjani, Sakellariadou, Yazdi)
- Abhay Ashtekar Pennsylvania State University
- Robert Brandenberger McGill University - Department of Physics
- Ghazal Geshnizjani Perimeter Institute for Theoretical Physics
- Mairi Sakellariadou King's College London
- Yasaman Kouchekzadeh Yazdi Dublin Institute For Advanced Studies
October 25, 2023
PIRSA:23100011
Quantum Gravity
Glimpses into Loop Quantum Gravity

Abhay Ashtekar Pennsylvania State University
October 25, 2023
PIRSA:23100009
Quantum Gravity
A New Perspective on Time Reversal Motivated by Quantum Gravity

Abhay Ashtekar Pennsylvania State University
June 15, 2021
PIRSA:21060094
Quantum Foundations
Implications of the Quantum Nature Space-time for the Big Bang and Black Holes

Abhay Ashtekar Pennsylvania State University
November 19, 2019
PIRSA:19110090
Cosmology

Quantum Fields and Strings

Quantum Gravity
Bounce in Loop Quantum Cosmology and its Implications

Abhay Ashtekar Pennsylvania State University
June 26, 2017
PIRSA:17060095
Cosmology
The BMS group, conservation laws and soft gravitons

Abhay Ashtekar Pennsylvania State University
August 11, 2016
PIRSA:16080055
Quantum Gravity
The fate of the big bang
- Abhay Ashtekar Pennsylvania State University
- Neil Turok University of Edinburgh
June 28, 2016
PIRSA:16060112
Cosmology
Even a tiny positive cosmological constant casts a long shadow

Abhay Ashtekar Pennsylvania State University
May 01, 2015
PIRSA:15050135
Quantum Fields and Strings
Even a tiny cosmological constant casts a long shadow

Abhay Ashtekar Pennsylvania State University
March 19, 2015
PIRSA:15030075
Strong Gravity
Loop Quantum Cosmology & The Very Early Universe Interplay between theory and Observations

Abhay Ashtekar Pennsylvania State University
March 18, 2015
PIRSA:15010090
Quantum Gravity
Promising Paths: What Have We Learned So Far About Quantum Gravity?
- Abhay Ashtekar Pennsylvania State University
- Carlo Rovelli Centre de Physique Théorique
July 26, 2013
PIRSA:13070083