525 citations
- Instituto Superior TécnicoPT38 papers
- University of LisbonPT28 papers
- University of CincinnatiUS18 papers
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- Brookhaven National LaboratoryUS10 papers
- Tata Institute of Fundamental ResearchIN10 papers
- University of CoimbraPT10 papers
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5 papers · 1 filter
Sphaleron-Like Processes in a Realistic Heat Bath
A. Krasnitz, R. Potting
We measure the diffusion rate of Chern-Simons number in the (1+1)-dimensional Abelian Higgs model interacting with a realistic heat bath for temperatures between 1/13 and 2/3 times…
Formation and Evaporation of a Naked Singularity in 2D Gravity
Cenalo Vaz, Louis Witten
We describe a classical configuration of conformal matter forming a naked singularity and discuss its subsequent Hawking evaporation within the context of two dimensional dilaton g…
The Black Holes of a General Two-Dimensional Dilaton Gravity Theory
José P. S. Lemos, Paulo M. Sá
A general dilaton gravity theory in 1+1 spacetime dimensions with a cosmological constant and a new dimensionless parameter , contains as special cases the constant curvatur…
Non-Singular Constant Curvature Two-Dimensional Black Hole
José P. S. Lemos, Paulo M. Sá
We show that the two-dimensional theory of Teitelboim and Jackiw has a black hole solution, with two surprising properties: first, it has constant curvature, and second, is free of…
Sphaleron transitions in a realistic heat bath
A. Krasnitz, R. Potting
We measure the diffusion rate of Chern-Simons number in the (1+1)-dimensional Abelian Higgs model interacting with a realistic heat bath for temperatures between 1/13 and 1/3 times…