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ID: 334884.0, MPI für Gravitationsphysik / Quantum Gravity and Unified Theories
Abelian gerbes as a gauge theory of quantum mechanics on phase space
Authors:Isidro, Jose M.; de Gosson, M. A.
Date of Publication (YYYY-MM-DD):2007-03-30
Title of Journal:Journal of Physics A
Volume:40
Issue / Number:13
Start Page:3549
End Page:3567
Review Status:not specified
Audience:Not Specified
Abstract / Description:We construct a U(1) gerbe with a connection over a finite-dimensional, classical phase space {\bb P} . The connection is given by a triple of forms A, B, H: a potential 1-form A, a Neveu–Schwarz potential 2-form B, and a field-strength 3-form H = dB. All three of them are defined exclusively in terms of elements already present in {\bb P} , the only external input being Planck's constant planck. U(1) gauge transformations acting on the triple A, B, H are also defined, parametrized either by a 0-form or by a 1-form. While H remains gauge invariant in all cases, quantumness versus classicality appears as a choice of 0-form gauge for the 1-form A. The fact that [H]/2πi is an integral class in de Rham cohomology is related to the discretization of symplectic area on {\bb P} . This is an equivalent, coordinate-free reexpression of Heisenberg's uncertainty principle. A choice of 1-form gauge for the 2-form B relates our construction to generalized complex structures on classical phase space. Altogether this allows one to interpret the quantum mechanics corresponding to {\bb P} as an Abelian gauge theory.
External Publication Status:published
Document Type:Article
Communicated by:Hermann Nicolai
Affiliations:MPI für Gravitationsphysik/Quantum Gravity and Unified Theories
Identifiers:ISI:000245037900017 [ID No:1]
ISSN:1751-8113 [ID No:2]
DOI:10.1088/1751-8113/40/13/016
LOCALID:arXiv:hep-th/0608087
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