C − P − T anomaly matching in bosonic quantum field theory and spin chains
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DOI: 10.1103/physrevb.97.144201
Abstract: We consider the $O(3)$ nonlinear sigma model with the $\theta$-term and its linear counterpart in 1+1D. The model has discrete time-reflection and space-reflection symmetries at any $\theta$, and enjoys the periodicity in $\theta\rightarrow \theta+2\pi$. At… read more here.
Keywords: theory; theta; time; anomaly matching ... See more keywords