Instability of $ \mathcal{N}=2 $ gauge theory in compact space with an isospin chemical potential

Instability of $ \mathcal{N}=2 $ gauge theory in compact space with an isospin chemical potential
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$ mathcal{N}=2 $ 规范理论在具有同位旋化学势的紧致空间中的不稳定性

DOI:
10.1007/jhep01(2013)035
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发表时间:
2013
影响因子:
5.4
通讯作者:
Chunlen S
Chunlen S
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Chunlen S

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We investigatesuper-Yang-Mills theory on a three sphere in the presence of an isospin chemical potential at strong coupling using the AdS/CFT correspondence. This system exhibits an instability for sufficiently large values of the chemical potential. In contrast to other related models, the first excitation to condense is not a vector meson but rather a scalar charged under the global SO (4) symmetry group. Furthermore, the spectrum of fluctuations exhibits an interesting cross-over behaviour as a function of the dimensionless temperature. We construct the new ground state of the non-linear theory.
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