DSpace-CRIS at TU Wienhttps://repositum.tuwien.atThe reposiTUm digital repository system captures, stores, indexes, preserves, and distributes digital research material.Thu, 01 Dec 2022 16:16:26 GMT2022-12-01T16:16:26Z50251Liouville gravity from Einstein gravityhttp://hdl.handle.net/20.500.12708/44466Title: Liouville gravity from Einstein gravity
Authors: Grumiller, Daniel; Jackiw, Roman
Abstract: We show that Liouville gravity arises as the limit of pure Einstein gravity in 2+epsilon dimensions as epsilon goes to zero, provided Newton's constant scales with epsilon. Our procedure - spherical reduction, dualization, limit, dualizing back - passes several consistency tests: geometric properties, interactions with matter and the Bekenstein-Hawking entropy are as expected from Einstein gravity.; We show that Liouville gravity arises as the limit of pure Einstein gravity in 2+epsilon dimensions as epsilon goes to zero, provided Newton's constant scales with epsilon. Our procedure - spherical reduction, dualization, limit, dualizing back - passes several consistency tests: geometric properties, interactions with matter and the Bekenstein-Hawking entropy are as expected from Einstein gravity.
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/444662008-01-01T00:00:00ZPath integral for half-binding potentials as quantum mechanical analog for black hole partition functionshttp://hdl.handle.net/20.500.12708/44468Title: Path integral for half-binding potentials as quantum mechanical analog for black hole partition functions
Authors: Grumiller, Daniel
Abstract: The semi-classical approximation to black hole partition functions is not well-defined, because the classical action is unbounded and the first variation of the uncorrected action does not vanish for all variations preserving the boundary conditions. Both problems can be solved by adding a Hamilton-Jacobi counterterm. I show that the same problem and solution arises in quantum mechanics for half-binding potentials.; The semi-classical approximation to black hole partition functions is not well-defined, because the classical action is unbounded and the first variation of the uncorrected action does not vanish for all variations preserving the boundary conditions. Both problems can be solved by adding a Hamilton-Jacobi counterterm. I show that the same problem and solution arises in quantum mechanics for half-binding potentials.
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/444682008-01-01T00:00:00ZBlack holes as boundaries in 2D dilaton supergravityhttp://hdl.handle.net/20.500.12708/44469Title: Black holes as boundaries in 2D dilaton supergravity
Authors: Bergamin, Luzi; Grumiller, Daniel
Abstract: We discuss 2D dilaton supergravity in the presence of boundaries. Generic ones lead to results different from black hole horizon boundaries. In particular, the respective numbers of physical degrees of freedom differ, thus generalizing the bosonic results of hep-th/0512230.; We discuss 2D dilaton supergravity in the presence of boundaries. Generic ones lead to results different from black hole horizon boundaries. In particular, the respective numbers of physical degrees of freedom differ, thus generalizing the bosonic results of hep-th/0512230.
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/444692008-01-01T00:00:00ZHamilton-Jacobi Counterterms in Quantum Mechanical and Black Hole Partition Functionshttp://hdl.handle.net/20.500.12708/127274Title: Hamilton-Jacobi Counterterms in Quantum Mechanical and Black Hole Partition Functions
Authors: Grumiller, Daniel
Abstract: I provide a pedagogical introduction to Hamilton-Jacobi counterterms: what
they are, why they are needed and how they are constructed. I present as
examples quantum mechanical and black hole partition functions.; I provide a pedagogical introduction to Hamilton-Jacobi counterterms: what
they are, why they are needed and how they are constructed. I present as
examples quantum mechanical and black hole partition functions.
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1272742008-01-01T00:00:00ZGravity in Two Dimensionshttp://hdl.handle.net/20.500.12708/127273Title: Gravity in Two Dimensions
Authors: Grumiller, Daniel
Abstract: I give an introduction to 2d dilaton gravity.; I give an introduction to 2d dilaton gravity.
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1272732007-01-01T00:00:00ZLower dimensional gravityhttp://hdl.handle.net/20.500.12708/127279Title: Lower dimensional gravity
Authors: Grumiller, Daniel
Abstract: I give an overview of lower dimensional gravity with special focus on
novel results obtained during the last year. In the 2-dimensional part of
the talk I focus on AdS2 holography. In the 3-dimensional part of the talk
I focus on cosmological topologically massive gravity at the chiral point.; I give an overview of lower dimensional gravity with special focus on
novel results obtained during the last year. In the 2-dimensional part of
the talk I focus on AdS2 holography. In the 3-dimensional part of the talk
I focus on cosmological topologically massive gravity at the chiral point.
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1272792008-01-01T00:00:00ZGravity in lower dimensionshttp://hdl.handle.net/20.500.12708/127276Title: Gravity in lower dimensions
Authors: Grumiller, Daniel
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1272762008-01-01T00:00:00Z3D quantum gravity?http://hdl.handle.net/20.500.12708/127275Title: 3D quantum gravity?
Authors: Grumiller, Daniel
Abstract: ravity in three dimensions strikes a balance between models that
are
tractable and models that are relevant. It may exhibit black hole
solutions, graviton modes and asymptotically AdS solutions. A
consistent
quantization of AdS_3 gravity would be of great interest.
Recently, a chiral version of 3D topologically massive gravity was
constructed. Its CFT dual was conjectured to be purely right
moving. In
this talk we review this construction, and the sometimes heated
debate
regarding its properties.; ravity in three dimensions strikes a balance between models that
are
tractable and models that are relevant. It may exhibit black hole
solutions, graviton modes and asymptotically AdS solutions. A
consistent
quantization of AdS_3 gravity would be of great interest.
Recently, a chiral version of 3D topologically massive gravity was
constructed. Its CFT dual was conjectured to be purely right
moving. In
this talk we review this construction, and the sometimes heated
debate
regarding its properties.
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1272752008-01-01T00:00:00ZCanonical analysis of cosmological topologically massive gravity at the chiral pointhttp://hdl.handle.net/20.500.12708/26471Title: Canonical analysis of cosmological topologically massive gravity at the chiral point
Authors: Grumiller, Daniel; Jackiw, Roman; Johansson, Niklas
Thu, 01 Jan 2009 00:00:00 GMThttp://hdl.handle.net/20.500.12708/264712009-01-01T00:00:00ZSchwarze Löcher in der Kern- und Teilchenphysikhttp://hdl.handle.net/20.500.12708/126990Title: Schwarze Löcher in der Kern- und Teilchenphysik
Authors: Grumiller, Daniel
Tue, 01 Jan 2008 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1269902008-01-01T00:00:00ZKilling horizons kill horizon degreeshttp://hdl.handle.net/20.500.12708/126838Title: Killing horizons kill horizon degrees
Authors: Grumiller, Daniel
Sun, 01 Jan 2006 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268382006-01-01T00:00:00ZIntroduction to Black Holes in lower-dimensionshttp://hdl.handle.net/20.500.12708/126840Title: Introduction to Black Holes in lower-dimensions
Authors: Grumiller, Daniel
Sun, 01 Jan 2006 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268402006-01-01T00:00:00ZKaluza-Klein reduction of conformally flat spaceshttp://hdl.handle.net/20.500.12708/126841Title: Kaluza-Klein reduction of conformally flat spaces
Authors: Grumiller, Daniel
Sun, 01 Jan 2006 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268412006-01-01T00:00:00ZArt and Geometry in 2Dhttp://hdl.handle.net/20.500.12708/126839Title: Art and Geometry in 2D
Authors: Grumiller, Daniel
Sun, 01 Jan 2006 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268392006-01-01T00:00:00ZPoisson-sigma model for gravity with non-metricity and torsionhttp://hdl.handle.net/20.500.12708/126843Title: Poisson-sigma model for gravity with non-metricity and torsion
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268432007-01-01T00:00:00ZBreakdown and restoration of classical approximation in Black Hole path integralshttp://hdl.handle.net/20.500.12708/126845Title: Breakdown and restoration of classical approximation in Black Hole path integrals
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268452007-01-01T00:00:00ZBlack Hole thermodynamics and Hamilton-Jacobi countertermhttp://hdl.handle.net/20.500.12708/126844Title: Black Hole thermodynamics and Hamilton-Jacobi counterterm
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268442007-01-01T00:00:00ZDuality in 2D dilaton gravityhttp://hdl.handle.net/20.500.12708/126842Title: Duality in 2D dilaton gravity
Authors: Grumiller, Daniel
Sun, 01 Jan 2006 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268422006-01-01T00:00:00ZIntroduction to Black Holes in two dimensionshttp://hdl.handle.net/20.500.12708/126846Title: Introduction to Black Holes in two dimensions
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268462007-01-01T00:00:00ZIntroduction to Black Hole thermodynamicshttp://hdl.handle.net/20.500.12708/126847Title: Introduction to Black Hole thermodynamics
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268472007-01-01T00:00:00ZBreakdown of the semi-classical approximation in the path integral and Black Hole thermodynamicshttp://hdl.handle.net/20.500.12708/126849Title: Breakdown of the semi-classical approximation in the path integral and Black Hole thermodynamics
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268492007-01-01T00:00:00ZBlack Hole thermodynamics and breakdown of the classical approximationhttp://hdl.handle.net/20.500.12708/126848Title: Black Hole thermodynamics and breakdown of the classical approximation
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268482007-01-01T00:00:00ZBoundary counterterms in gravity and Black Hole thermodynamicshttp://hdl.handle.net/20.500.12708/126850Title: Boundary counterterms in gravity and Black Hole thermodynamics
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268502007-01-01T00:00:00ZModifications of gravity vs. dark matter/energyhttp://hdl.handle.net/20.500.12708/126852Title: Modifications of gravity vs. dark matter/energy
Authors: Grumiller, Daniel
Mon, 01 Jan 2007 00:00:00 GMThttp://hdl.handle.net/20.500.12708/1268522007-01-01T00:00:00ZFundamental Interactions - A Memorial Volume for Wolfgang Kummerhttp://hdl.handle.net/20.500.12708/22944Title: Fundamental Interactions - A Memorial Volume for Wolfgang Kummer
Editors: Grumiller, Daniel; Rebhan, Anton; Vassilevich, Dimitri
Thu, 01 Jan 2009 00:00:00 GMThttp://hdl.handle.net/20.500.12708/229442009-01-01T00:00:00Z