涡旋拓扑与格点规范理论的连续极限
Vortex topology and the continuum limit of lattice gauge theories
摘要:
本文研究了T=0时d+1维SU(2)Yang-Mills理论中Z_2拓扑涡旋激发的稳定性。发现这取决于d和所考虑的耦合。我们讨论了在β_A-β_F平面中引起体跃迁的晶格伪影的关系,并得出了关于理论的连续极限的一些结论。
英文摘要:
We study the stability of Z_2 topological vortex excitations in d+1 dimensional SU(2) Yang-Mills theory on the lattice at T=0. This is found to depend on d and on the coupling considered. We discuss the connection with lattice artifacts causing bulk transitions in the beta_A-beta_F plane and draw some conclusions regarding the continuum limit of the theory.
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