Scrambling Transition in a Radiative Random Unitary Circuit.
Phys Rev Lett
; 131(22): 220404, 2023 Dec 01.
Article
em En
| MEDLINE
| ID: mdl-38101381
ABSTRACT
We study quantum information scrambling in a random unitary circuit that exchanges qubits with an environment at a rate p. As a result, initially localized quantum information not only spreads within the system, but also spills into the environment. Using the out-of-time-order correlator (OTOC) to characterize scrambling, we find a nonequilibrium phase transition in the directed percolation universality class at a critical swap rate p_{c} for p
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MEDLINE
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En
Ano de publicação:
2023
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Article