Gauge dual and noncommutative extension of an N=2 supergravity solution -: art. no. 044009

被引:130
作者
Buchel, A [1 ]
Peet, AW
Polchinski, J
机构
[1] Univ Calif Santa Barbara, Inst Theoret Phys, Santa Barbara, CA 93106 USA
[2] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada
关键词
D O I
10.1103/PhysRevD.63.044009
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate some properties of a recent supergravity solution of Pilch and Warner, which is dual to the N = 4 gauge theory softly broken to N = 2. We verify that a D3-brane probe has the expected moduli space and its effective action can be brought to N = 2 form. The kinetic term for the probe vanishes on an enhancon locus, as in earlier work on large-N N = 2 theories, though for the Pilch-Warner solution this locus is a line rather than a ring. On the gauge theory side we find that the probe metric can be obtained from a perturbative one-loop calculation; this principle may be useful in obtaining the supergravity dual at more general points in the N = 2 gauge theory moduli space. We then turn on a B-field, following earlier work on the N = 4 theory, to obtain the supergravity dual to the noncommutative N = 2 theory.
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页数:11
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