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D-branes and the Non-commutative Structure of Quantum Spacetime

A worldsheet approach to the study of non-abelian D-particle dynamics is presented based on viewing matrix-valued D-brane coordinate fields as coupling constants of a deformed sigma-model which defines a logarithmic conformal field theory. The short-distance structure of spacetime is shown to be nat...

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Detalles Bibliográficos
Autores principales: Mavromatos, Nikolaos E, Szabó, R J
Lenguaje:eng
Publicado: 1998
Materias:
Acceso en línea:https://dx.doi.org/10.22323/1.001.0066
http://cds.cern.ch/record/371061
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author Mavromatos, Nikolaos E
Szabó, R J
author_facet Mavromatos, Nikolaos E
Szabó, R J
author_sort Mavromatos, Nikolaos E
collection CERN
description A worldsheet approach to the study of non-abelian D-particle dynamics is presented based on viewing matrix-valued D-brane coordinate fields as coupling constants of a deformed sigma-model which defines a logarithmic conformal field theory. The short-distance structure of spacetime is shown to be naturally captured by the Zamolodchikov metric on the corresponding moduli space which encodes the geometry of the string interactions between D-particles. Spacetime quantization is induced directly by the string genus expansion and leads to new forms of uncertainty relations which imply that general relativity at very short-distance scales is intrinsically described by a non-commutative geometry. The indeterminancies exhibit decoherence effects suggesting the natural incorporation of quantum gravity by short-distance D-particle probes. Some potential experimental tests are briefly described.
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institution Organización Europea para la Investigación Nuclear
language eng
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spelling cern-3710612019-09-30T06:29:59Zdoi:10.22323/1.001.0066http://cds.cern.ch/record/371061engMavromatos, Nikolaos ESzabó, R JD-branes and the Non-commutative Structure of Quantum SpacetimeParticle Physics - TheoryA worldsheet approach to the study of non-abelian D-particle dynamics is presented based on viewing matrix-valued D-brane coordinate fields as coupling constants of a deformed sigma-model which defines a logarithmic conformal field theory. The short-distance structure of spacetime is shown to be naturally captured by the Zamolodchikov metric on the corresponding moduli space which encodes the geometry of the string interactions between D-particles. Spacetime quantization is induced directly by the string genus expansion and leads to new forms of uncertainty relations which imply that general relativity at very short-distance scales is intrinsically described by a non-commutative geometry. The indeterminancies exhibit decoherence effects suggesting the natural incorporation of quantum gravity by short-distance D-particle probes. Some potential experimental tests are briefly described.hep-th/9811116OUTP-98-76-PNBI-HE-98-36oai:cds.cern.ch:3710611998-11-13
spellingShingle Particle Physics - Theory
Mavromatos, Nikolaos E
Szabó, R J
D-branes and the Non-commutative Structure of Quantum Spacetime
title D-branes and the Non-commutative Structure of Quantum Spacetime
title_full D-branes and the Non-commutative Structure of Quantum Spacetime
title_fullStr D-branes and the Non-commutative Structure of Quantum Spacetime
title_full_unstemmed D-branes and the Non-commutative Structure of Quantum Spacetime
title_short D-branes and the Non-commutative Structure of Quantum Spacetime
title_sort d-branes and the non-commutative structure of quantum spacetime
topic Particle Physics - Theory
url https://dx.doi.org/10.22323/1.001.0066
http://cds.cern.ch/record/371061
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AT szaborj dbranesandthenoncommutativestructureofquantumspacetime