Sufficient Condition for Gapless Spin-Boson Lindbladians, and Its Connection to Dissipative Time Crystals.
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DOI: 10.1103/physrevlett.130.180401
Abstract: We discuss a sufficient condition for gapless excitations in the Lindbladian master equation for collective spin-boson systems and permutationally invariant systems. The condition relates a nonzero macroscopic cumulant correlation in the steady state to the… read more here.
Keywords: condition gapless; sufficient condition; spin boson; gapless ... See more keywords