For Fendley's free-fermions-in-disguise chain, post-quench GGE occupations and local energy-density expectations are derived analytically and match TEBD numerics; the quasi-particle entanglement-growth formula is only approximately correct.
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Majorana zero modes in the Kitaev chain protect boundary quantum Fisher information from delocalization, maintaining a nonzero plateau for exponentially long times.
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Correlation and entanglement dynamics of free fermions in disguise
For Fendley's free-fermions-in-disguise chain, post-quench GGE occupations and local energy-density expectations are derived analytically and match TEBD numerics; the quasi-particle entanglement-growth formula is only approximately correct.
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Topological protection of local quantum Fisher information
Majorana zero modes in the Kitaev chain protect boundary quantum Fisher information from delocalization, maintaining a nonzero plateau for exponentially long times.