Time-scale entanglement, quantified by bond dimensions in quantics tensor trains of n-particle correlators, is enhanced near phase transitions and scale-invariant at quantum critical points across multiple models.
noise” is not truncated but included in the bond dimension. By increasing the QTT cuto ff in (c) and (d) above the “noise
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Diagnosing phase transitions through time-scale entanglement
Time-scale entanglement, quantified by bond dimensions in quantics tensor trains of n-particle correlators, is enhanced near phase transitions and scale-invariant at quantum critical points across multiple models.