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Speeding up the spread of quantum information in chaotic systems
oleh: Stefan Eccles, Willy Fischler, Tyler Guglielmo, Juan F. Pedraza, Sarah Racz
Format: | Article |
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Diterbitkan: | SpringerOpen 2021-12-01 |
Deskripsi
Abstract We explore the effect of introducing mild nonlocality into otherwise local, chaotic quantum systems, on the rate of information spreading and associated rates of entanglement generation and operator growth. We consider various forms of nonlocality, both in 1-dimensional spin chain models and in holographic gauge theories, comparing the phenomenology of each. Generically, increasing the level of nonlocality increases the rate of information spreading, but in lattice models we find instances where these rates are slightly suppressed.