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arXiv 0905.1954hep-th
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M理论中的超对称非相对论几何

Supersymmetric non-relativistic geometries in M-theory

Hirosi Ooguri, Chang-Soon Park

摘要:

我们从N=1的扭曲AdS_5度规出发,构造了具有非相对论薛定谔对称性的M理论超引力解.我们通过使类光方向为紧空间上的非平凡U(1)丛,来施加类光方向为紧的条件。分析了此类解存在的充分条件。对于一般的参数值,解有两个超荷,但在某些特殊情况下,超荷的数目增加到六个。一个SU(2)xSU(2)xU(1)等距的薛定谔几何被认为是一个具体的例子。我们考虑了Kaluza-Klein模,并证明了非相对论粒子数由紧致空间的量子数上界。

英文摘要:

We construct M-theory supergravity solutions with the non-relativistic Schrodinger symmetry starting from the warped AdS_5 metric with N=1 supersymmetry. We impose the condition that the lightlike direction is compact by making it a non-trivial U(1) bundle over the compact space. Sufficient conditions for such solutions are analyzed. The solutions have two supercharges for generic values of parameters, but the number of supercharges increases to six in some special cases. A Schrodinger geometry with SU(2)xSU(2)xU(1) isometry is considered as a specific example. We consider the Kaluza-Klein modes and show that the non-relativistic particle number is bounded above by the quantum numbers of the compact space.

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