期刊
PHYSICAL REVIEW D
卷 80, 期 10, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.80.101701
关键词
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资金
- Studienstiftung des deutschen Volkes
- DFG [GRK 1523, Wi 777/10-1, FOR 723, Gi 328/5-1]
We explore supersymmetry breaking in the light of a rich fixed-point structure of two-dimensional supersymmetric Wess-Zumino models with one supercharge using the functional renormalization group. We relate the dynamical breaking of supersymmetry to a renormalization group relevant control parameter of the superpotential which is a common relevant direction of all fixed points of the system. Supersymmetry breaking can thus be understood as a quantum phase transition analogous to similar transitions in correlated fermion systems. Supersymmetry gives rise to a new superscaling relation between the critical exponent associated with the control parameter and the anomalous dimension of the field-a scaling relation which is not known in standard spin systems.
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