Feedback-induced quantum phase transitions using weak measurements

We show that applying feedback and weak measurements to a quantum system induces phase transitions beyond the dissipative ones. Feedback enables controlling essentially quantum properties of the transition, i.e., its critical exponent, as it is driven by the fundamental quantum fluctuations due to m...

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Hlavní autoři: Ivanov, DA, Ivanova, TY, Caballero-Benitez, SF, Mekhov, IB
Médium: Journal article
Jazyk:English
Vydáno: American Physical Society 2020