Projected Entangled Pair States at Finite Temperature: Imaginary Time Evolution with Ancillas
classification
❄️ cond-mat.str-el
cond-mat.quant-gascond-mat.stat-mechquant-ph
keywords
ancillasentangledfiniteimaginarypairprojectedquantumstate
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A projected entangled pair state (PEPS) with ancillas is evolved in imaginary time. This tensor network represents a thermal state of a 2D lattice quantum system. A finite temperature phase diagram of the 2D quantum Ising model in a transverse field is obtained as a benchmark application.
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