Emergent 4D gravity from matrix models

Emergent 4D gravity from matrix models

Recent progress in the understanding of gravity on noncommutative spaces is discussed. A gravity theory naturally emerges from matrix models of noncommutative gauge theory. The effective metric depends on the dynamical Poisson structure, absorbing the degrees of freedom of the would‐be U(1) gauge fi...

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Veröffentlicht in:Fortschritte der Physik 2008-04, Vol.56 (4-5), p.510-515
1. Verfasser: Steinacker, H.
Format: Artikel
Sprache:eng
Schlagworte:
gravity
matrix models
noncommmutative gauge theory
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Zusammenfassung:Recent progress in the understanding of gravity on noncommutative spaces is discussed. A gravity theory naturally emerges from matrix models of noncommutative gauge theory. The effective metric depends on the dynamical Poisson structure, absorbing the degrees of freedom of the would‐be U(1) gauge field. The gravity action is induced upon quantization.
ISSN:0015-8208
1521-3978
DOI:10.1002/prop.200710527