Zobrazeno 1 - 10
of 14 829
pro vyhledávání: '"Leggett P"'
Quantum theory contravenes classical macrorealism by allowing a system to be in a superposition of two or more physically distinct states, producing physical consequences radically different from that of classical physics. We show that a system, upon
Externí odkaz:
http://arxiv.org/abs/2411.02301
Lifshitz invariant is a symmetry invariant composed of multiple order parameters that contain a single spatial derivative in a Ginzburg-Landau (GL) free energy, which may induce a nonuniform configuration of the order parameters. In multiband superco
Externí odkaz:
http://arxiv.org/abs/2410.18438
We propose an algorithm that combines the inchworm method and the frozen Gaussian approximation to simulate the Caldeira-Leggett model in which a quantum particle is coupled with thermal harmonic baths. In particular, we are interested in the real-ti
Externí odkaz:
http://arxiv.org/abs/2408.01039
Autor:
Solinas, Paolo, Gherardini, Stefano
Quantum non-demolition measurements define a non-invasive protocol to extract information from a quantum system that we aim to monitor. They exploit an additional quantum system that is sequentially coupled to the system. Eventually, by measuring the
Externí odkaz:
http://arxiv.org/abs/2408.00088
The Leggett-Garg inequality (LGI) serves as a criterion to determine the adherence of macroscopic system dynamics to macrorealism, as postulated by Leggett and Garg. A violation of this inequality implies either the absence of a realistic description
Externí odkaz:
http://arxiv.org/abs/2407.05304
Akademický článek
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Akademický článek
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Autor:
Cavina, Vasco, Esposito, Massimiliano
We introduce a non-equilibrium version of the Caldeira-Leggett model in which a quantum particle is strongly coupled to a set of engineered reservoirs. The reservoirs are composed by collections of squeezed and displaced thermal modes, in contrast to
Externí odkaz:
http://arxiv.org/abs/2405.00215
Publikováno v:
Phys. Rev. Lett. 133, 020802, 2024
We theoretically formulate and experimentally demonstrate a secure scheme for semi-device-independent quantum random number generation by utilizing Leggett-Garg inequality violations, within a loophole-free photonic architecture. The quantification o
Externí odkaz:
http://arxiv.org/abs/2402.03712
We revisit the study of the violation of the Leggett-Garg inequality in neutrino oscillation data as a mean to test some of the fundamental aspects of quantum mechanics. In particular, we consider the results by the Daya Bay and RENO reactor experime
Externí odkaz:
http://arxiv.org/abs/2401.00240