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ID: 346853.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories
New linear systems for 2d Poincaré supergravities
Authors:Nicolai, Hermann
Date of Publication (YYYY-MM-DD):1994-02-14
Title of Journal:Nuclear Physics B
Journal Abbrev.:Nucl. Phys. B
Volume:414
Issue / Number:1-2
Start Page:299
End Page:325
Review Status:not specified
Audience:Not Specified
Abstract / Description:A new linear system is constructed for Poincaré supergravities in two dimensions. In contrast to previous results, which were based on the conformal gauge, this linear system involves the topological world sheet degrees of freedom (the Beltrami and super-Beltramidifferentials). The associated spectral parameter likewise depends on these and is itself subject to a pair of differential equations, whose integrability condition yields one on the equations of motion. These results suggest the existence of an extension of the Geroch group mixing propagating and topological degrees of freedom on the world sheet. We also develop a chiral tensor formalism for arbitrary Beltrami differentials, in which the factorization of 2d diffeomorphisms is always manifest.
External Publication Status:published
Document Type:Article
Communicated by:Hermann Nicolai
Affiliations:MPI für Gravitationsphysik/Quantum Gravity and Unified Theories
External Affiliations:Institut für Theoretische Physik, Universität Hamburg, W-22761, Hamburg, Germany
Identifiers:ISSN:0550-3213
DOI:10.1016/0550-3213(94)90432-4
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