Dielectric fundamental strings in matrix string theory

Matrix string theory is equivalent to type IIA superstring theory in the light-cone gauge, together with extra degrees of freedom representing D-brane states. It is therefore the appropriate framework in which to study systems of multiple fundamental strings expanding into higher-dimensional D-brane...

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Bibliographic Details
Published in:Nuclear physics. B 2002-07, Vol.634 (1), p.23-50
Main Authors: Brecher, D., Janssen, B., Lozano, Y.
Format: Article
Language:English
Subjects:
D-branes
M(atrix) theories
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Summary:Matrix string theory is equivalent to type IIA superstring theory in the light-cone gauge, together with extra degrees of freedom representing D-brane states. It is therefore the appropriate framework in which to study systems of multiple fundamental strings expanding into higher-dimensional D-branes. Starting from Matrix theory in a weakly curved background, we construct the linear couplings of closed string fields to type IIA Matrix strings. As a check, we show that at weak coupling the resulting action reproduces light-cone gauge string theory in a weakly curved background. Further dualities give a type IIB Matrix string theory and a type IIA theory of Matrix strings with winding. We comment on the dielectric effect in each of these theories, giving some explicit solutions describing fundamental strings expanding into various D p-branes.
ISSN:0550-3213
1873-1562
DOI:10.1016/S0550-3213(02)00344-9