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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The 2025 Galileo Galilei Medal has been awarded to Pierre Sikivie and Leonard Susskind, "for their work representing humanity's…
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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…
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ER = EPR is a shorthand that joins two ideas proposed by Einstein in 1935. One involved the paradox implied by what he called “spooky action at a distance” between quantum particles (the EPR paradox, named for its authors, Einstein, Boris…
ER = EPR is a shorthand that joins two ideas proposed by Einstein in 1935. One involved the paradox implied by what he called “spooky action at a distance” between quantum particles (the EPR paradox, named for its authors, Einstein, Boris…
I will discuss the quantization of one of the simplest theories of gravity, three-dimensional Einstein gravity with negative cosmological constant. In particular I will describe a precise reformulation of AdS_3 quantum gravity in terms of a novel…
It has recently been shown that any Euclidean gravitational path integral satisfying a simple set of axioms defines type I von Neumann algebras of bulk observables acting on compact closed codimension-2 asymptotic boundaries. These axioms imply…
We construct L-functions for general modular-invariant 2D CFTs, providing an analytic language for studying high-energy spectra and their resolution. We apply this tool to the modular bootstrap at large central charge. This leads to some…
We investigate a new approach to holography in asymptotically AdS spacetimes, in which time rather than space is the emergent dimension. By making a sufficiently large T^2-deformation of a Euclidean CFT, we define a holographic theory that lives…
I will comment on an infinite class of bulk geometries, asymptotic to AdS_3 x S^3 x T^4 or K3 with torus conformal boundary, whose sum reproduces the integer spectrum of chiral primaries in the symmetric orbifold at finite N. I will then comment…
Brian Swingle of the Stanford Institute for Theoretical Physics discusses the latest research in Black Hole complexity and computational power at the 2015 SITP Templeton Conference.
SITP sign on 3rd floor of the Varian Physics Building
We study thermodynamics of gravitational systems with conformal boundary conditions, where the conformal class of the boundary metric and the trace of the extrinsic curvature K are held fixed. In the high temperature limit the series of…