Shift-Invariant Orders of an Axionlike Particle.
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DOI: 10.1103/physrevlett.130.111803
Abstract: It is generally believed that global symmetries, in particular, axion shift symmetries, can only be approximate. This motivates one to quantify the breaking of the shift invariance that characterizes the flavorful effective couplings of an… read more here.
Keywords: axion shift; shift; axionlike particle; shift invariant ... See more keywords