Approximate quantum many-body states from various variational methods exhibit a nearly exponential spectral tail characterized by a small inverse effective temperature, with a two-stage behavior when targeting imaginary-time evolved states.
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Effective temperature in approximate quantum many-body states
Approximate quantum many-body states from various variational methods exhibit a nearly exponential spectral tail characterized by a small inverse effective temperature, with a two-stage behavior when targeting imaginary-time evolved states.