Measurement-only circuits realize gapless SPT phases with nontrivial edge states at criticality, including symmetry-enriched percolation in Ising models and persistent Z4 gSPT phases mapped to Majorana loop models.
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For algebraic quenches in the 1D TFIM, the longitudinal kink-kink correlator depends only on the KZ length for superlinear cases and otherwise needs a dephasing length, decaying as a compressed exponential with exponent varying continuously with the quench exponent.
WYSI detects quantum phase transitions in the Heisenberg XYZ chain with DM interaction, revealing a factorization volume in the gapless chiral phase and a three-phase diagram.
citing papers explorer
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Gapless Symmetry-Protected Topological States in Measurement-Only Circuits
Measurement-only circuits realize gapless SPT phases with nontrivial edge states at criticality, including symmetry-enriched percolation in Ising models and persistent Z4 gSPT phases mapped to Majorana loop models.
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Kink-kink correlations in nonlinear quenches across a quantum critical point
For algebraic quenches in the 1D TFIM, the longitudinal kink-kink correlator depends only on the KZ length for superlinear cases and otherwise needs a dephasing length, decaying as a compressed exponential with exponent varying continuously with the quench exponent.
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Criticality and factorization in the Heisenberg chain with Dzyaloshinskii-Moriya interaction
WYSI detects quantum phase transitions in the Heisenberg XYZ chain with DM interaction, revealing a factorization volume in the gapless chiral phase and a three-phase diagram.