منابع مشابه
BCFT and Sliver state
We give a comment on the possible rôle of the sliver state in the generic boundary conformal field theory. We argue that for each Cardy state, there exists at least one projector in the string field theory. ∗E-mail address: [email protected] One of the long standing problem in the string theory is the description of the geometry. Generically we do not need the space-time at all to def...
متن کاملCft, Bcft, Ade and All That
These pedagogical lectures present some material, classical or more recent, on (Rational) Conformal Field Theories and their general setting " in the bulk " or in the presence of a boundary. Two well posed problems are the classification of modular invariant partition functions and the determination of boundary conditions consistent with conformal invari-ance. It is shown why the two problems a...
متن کاملSpacing Control and Sliver-free Delaunay Mesh
|We are often required to generate a Delaunay mesh whose element size is within a constant factor of a control spacing function, i.e., well-conformed, in addition to the fact that each mesh element has small aspect ratio, i.e., well-shaped. However, generating wellshaped Delaunay meshes is an open problem for a long time. Observe that slivers have small radius-edge ratio thus the Delaunay trian...
متن کاملThe Tachyon Potential in the Sliver Frame
We evaluate the tachyon potential in the Schnabl gauge through off-shell computations in the sliver frame. As an application of the results of our computations, we provide a strong evidence that Schnabl’s analytic solution for tachyon condensation in open string field theory represents a saddle point configuration of the full tachyon potential. Additionally we verify that Schnabl’s analytic sol...
متن کاملSliver Cells in Thermophotovoltaic Systems
Thermophotovoltaic systems are direct conversion heat engines that use photovoltaic cells to convert radiant energy from a heated object to electrical energy. Sources of heat for thermophotovoltaic (TPV) systems include sunlight, the combustion of fossil fuels, radioactive decay and industrial waste heat. Previous modelling indicated that thin photovoltaic cells were optimal for use in TPV syst...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2001
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(01)00739-0