D-branes on fourfolds with discrete torsion - INSPIRE

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D-branes on fourfolds with discrete torsion

Subir Mukhopadhyay
(
- Harish-Chandra Res. Inst.
)
,
Koushik Ray
(
- Rome U., Tor Vergata and
- INFN, Rome2
)

Sep, 1999

28 pages

Published in:

Nucl.Phys.B 576 (2000) 152-176

e-Print:

hep-th/9909107 [hep-th]

DOI:

10.1016/S0550-3213(00)00166-8

Report number:

ROM2F-99-30,
MRI-PHY-P990927

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Abstract:

We study D1-branes on the fourfold \C^4/(\Z_2\times\Z_2\times\Z_2), in the presence of discrete torsion. Discrete torsion is incorporated in the gauge theory of the D1-branes by considering a projective representation of the finite group

\Z_2\times\Z_2\times\Z_2

. The corresponding orbifold is then deformed by perturbing the F-flatness condition of the gauge theory. The moduli space of the resulting gauge theory retains a stable singularity of codimension three.

membrane model: D-brane
field theory: deformation
torsion: discrete
moduli space
geometry: algebra

References(23)

Figures(0)

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