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arXiv 1010.4178hep-th
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单极子和全息术

Monopoles and Holography

Stefano Bolognesi, David Tong

摘要:

我们提出了一个全息理论在AdS_4的零温度基态发展的晶体结构,自发打破平移对称性。该晶体由背景磁场诱导,但不需要化学势。这种晶格产生于大量存在的't Hooft-Polyakov双孤子,它们凝聚形成一个被称为双壁的经典物体。在红外区,磁场被屏蔽,出现SU(2)整体对称性。

英文摘要:

We present a holographic theory in AdS_4 whose zero temperature ground state develops a crystal structure, spontaneously breaking translational symmetry. The crystal is induced by a background magnetic field, but requires no chemical potential. This lattice arises from the existence of 't Hooft-Polyakov monopole solitons in the bulk which condense to form a classical object known as a monopole wall. In the infra-red, the magnetic field is screened and there is an emergent SU(2) global symmetry.

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