On Noncommutativity in string theory and D-branes - INSPIRE

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On Noncommutativity in string theory and D-branes

Masud Chaichian
(
- Helsinki U. and
- Helsinki Inst. of Phys.
)
,
Dimitri Polyakov
(
- Helsinki U. and
- Helsinki Inst. of Phys.
)

Feb, 2002

11 pages

Published in:

Phys.Lett.B 535 (2002) 321-327

e-Print:

hep-th/0202209 [hep-th]

DOI:

10.1016/S0370-2693(02)01717-3

Report number:

HIP-2002-05-TH

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Abstract:

By considering the B-field dynamical and studying its interaction with Ramond-Ramond (RR) background we observe the breaking of the B-field gauge symmetry in the effective action. This effect takes place due to non-perturbative coupling of the B-field to membrane topological charge. As a result, the B-field is renormalized in the RR backgrounds, making it impossible to obtain consistent non-commutative models with constant B-field. We argue that the gauge invariance is restored by introducing appropriate external D-brane configuration.

Note:

11 pages, harvmac.tex, references added

04.50.+h
11.25.Mj
string model
membrane model: D-brane
space-time: noncommutative
background field: constant
symmetry breaking: gauge
operator: vertex
invariance: Becchi-Rouet-Stora
operator product expansion

References(10)

Figures(0)

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