Supersymmetry, Supergravity and Superstring Theory
A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".
Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 3169
Special Issue Editors
Interests: theoretical particle physics; more specifically; supergravity; supersymmetry; superstring theory
Special Issue Information
Dear Colleagues,
During the 1970s, two new theories were put forward: supergravity and string-theory. The former represents an extension of general relativity in which the invariance under general coordinate transformations follows from a more fundamental symmetry principle: supersymmetry. The latter was originally developed as a theoretical framework to study non-parturbative QCD. Although seemingly very different in content and scope, the two theories appeared soon to be deeply related as complementary approaches to quantum gravity. The supersymmetric version of string theory provides a possible quantum description of gravity in which the fundamental object is a vibrating string. The consistency of this theory requires that the low-energy excitations of this string be described by an effective supergravity theory. Supergravity, although not renormalizable as a field theory of gravity, as an effective low-energy theory encodes the full large-scale dynamics of superstring theory even in limits in which a consistent formulation of superstring theory is missing. Along the lines of Einstein's approach in developing his celebrated theory, the symmetry principle is the guiding principle to the construction of supergravity. Indeed, its physical content (spectrum and interactions) is totally determined by supersymmetry, for given field content and space-time dimensions. Therefore, supergravity provides an invaluable approach to the study of superstring dynamics.
Potential topics dealing with but not limited to the following subheadings are deemed suitable for submission: gauged supergravities, their solutions, and possible UV completion; a top-down approach to AdS/CFT and AdS/CMT; the topological structure of superspace and L∞ algebras; exceptional field theory and double field theory and generalized geometry.
Prof. Dr. Laura Andrianopoli
Prof. Dr. Mario Trigiante
Guest Editors
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Keywords
- dualities
- extended supergravity models
- AdS/CFT
- cohomology of superspace
- exceptional field theory
- double field theory
- generalized geometry
- supergravity black holes
- BPS representations
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