Quantum Gravity and Black Holes
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One of the most striking predictions of the general theory of relativity is the formation of…
Black hole and cosmological horizons -- from which nothing can escape according to…
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Lucy Reading-Ikkanda/Quanta Magazine
A sketch by Xi Dong of the cutting, warping and gluing procedure that he and his colleagues used to construct a hologram of a de Sitter universe.
The fabric of space and time is widely believed by physicists to be emergent, stitched out of quantum threads according to an unknown…
Douglas Stanford's work as a theoretical physicist at the Institute for Advanced Study in Princeton, N.J., has already revealed new…
Image credit: L.A. Cicero
Douglas Stanford has won the 2018 Breakthrough New Horizons Prize in Physics for work that uses chaos to better understand the links…
Researchers chat during a coffee break at the It From Qubit summer school
Photo: JB Park, Perimeter Institute
The first It From Qubit collaboration workshop and summer school was held at the Perimeter Institute in Waterloo, Canada in July, 2016…
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Black holes have the remarkable property of irreversibility: if you fall into a black hole you can't get out (classically). This immediately suggested a connection with the other famous irreversibility in physics: the law of increase of entropy.…
Black holes have the remarkable property of irreversibility: if you fall into a black hole you can't get out (classically). This immediately suggested a connection with the other famous irreversibility in physics: the law of increase of entropy.…
In this talk, I will first describe work on 3d quantum gravity with two asymptotically AdS regions, in particular, using its relation with coupled Alekseev-Shatashvili theories and Liouville theory. Expressions for the Hartle-Hawking…
Computational Complexity meets Quantum Gravity.
The 2018 Oskar Klein Memorial Lecture was given by Leonard Susskind in the Oskar Klein Auditorium, AlbaNova in Stockholm, Sweden on January 29, 2019.
Abstract: It is often said that general relativity and quantum mechanics are…
Leonard Susskind: Quantum Mechanics, String Theory and Black Holes | Artificial Intelligence Podcast
In this talk, I will first describe on obtaining a microcanonical thermofield double state at fixed energy and angular momentum from the gravitational path integral. The corresponding boundary value problem and gravitational action are analyzed.…
One hundred years after Heisenberg’s Uncertainty Principle, the question of how to make simultaneous measurements of noncommuting observables lingers. I will survey one hundred years of measurement theory, which brings us to the point where…
Out of time ordered correlators(OTOC) in certain large N systems can be described by scramblon modes. In large N limit, scramblon exchange dominates, while scramblon interactions are suppressed by 1/N. However, we are going to discuss certain…