Symmetric boundary conditions in boundary critical phenomena
نویسندگان
چکیده
منابع مشابه
Symmetric Boundary Conditions in Boundary Critical Phenomena
It has been an extremely fruitful idea to study a conformal field theory by putting it on various surfaces, with or without boundaries. Apart from the sphere, that has been considered first, prime examples of non–trivial geometries include the torus [1] and the cylinder [2,3]. They serve to probe different facets of a given conformal theory. However the data specific of these surfaces are inext...
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Symmetric hyperbolic systems with nonhomogeneous conservative boundary conditions are considered. Existence, uniqueness, and regularity are established for the boundary value problem and the initial-boundary value problem. This boundary problem is not strongly well-posed in L2, a loss of derivatives is observed. Minimal regularity assumptions on the coefficients of the operator are made.
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Despite the widely-held premise that initial boundary conditions (BCs) corresponding to measurements/interactions can fully specify a physical subsystem, a literal reading of Hamilton’s principle would imply that both initial and final BCs are required (or more generally, a BC on a closed hypersurface in spacetime). Such a time-symmetric perspective of BCs, as applied to classical fields, leads...
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ژورنال
عنوان ژورنال: Journal of Physics A: Mathematical and General
سال: 1999
ISSN: 0305-4470,1361-6447
DOI: 10.1088/0305-4470/32/50/305