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quant-ph2026★ 1 cited
Decoherent histories with(out) objectivity in a (broken) apparatus
Benoît Ferté, Davide Farci, Xiangyu Cao
We characterize monitored quantum dynamics in a solvable model exhibiting a phase transition between a measurement apparatus and a scrambler. We show that approximate decoherent hi…
quant-ph2024
Quantum Darwinism-encoding transitions on expanding trees
Benoît Ferté, Xiangyu Cao
Quantum Darwinism (QD) proposes that classical objectivity emerges from the broadcast of information about a microscopic degree of freedom into multiple fractions of a many-body en…