Periodically driven quantum systems
WebMay 21, 2012 · Periodically driven quantum open systems: Tutorial Robert Alicki, David Gelbwaser-Klimovsky, Gershon Kurizki We present a short derivation and discussion of … WebSep 20, 2024 · For example, some systems made of many interacting quantum components are predicted to act as time crystals when driven by a periodically varying force. A classical pendulum also oscillates in response to a periodic driving force, but a periodically driven time crystal resonates at an integer multiple of the drive’s period (a lower frequency ...
Periodically driven quantum systems
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WebJul 1, 2003 · For a periodically driven quantum system, an effective time-independent Hamiltonian is derived with an eigen-energy spectrum, which in the regime of large driving frequencies approximates the quasienergies of the corresponding Floquet Hamiltonian. The effective Hamiltonian is evaluated for the case of optical lattice models in the tight …
WebSep 1, 2024 · a Periodically driven unitary dynamics described by an operator U. While our nonintegrable system thermalizes for local observables at infinite times, we here discuss the phase transitions ... WebOct 29, 2010 · In this paper, we show that the Floquet operators of periodically driven systems can be divided into topologically distinct (homotopy) classes, and give a simple physical interpretation of this classification in terms of the spectra of Floquet operators.
WebTime crystals in periodically driven systems have initially been studied assuming either the ability to quench the Hamiltonian between different … WebFeb 21, 2024 · dynamics in which the quantum system is subject to a periodic driving. In recent years there has been an uprising interest for periodically driven closed quantum systems, with special emphasis on the existence of an asymptotic time-periodic steady state and the conditions under which it shows thermal properties [27–48]. The asymptotic …
WebSep 29, 2024 · Periodically driven (Floquet) quantum systems have recently been a focus of nonequilibrium physics by virtue of their rich dynamics. Time-periodic systems not only exhibit symmetries that resemble those in spatially periodic systems, but also display novel behavior that arises from symmetry breaking.
WebJan 11, 2024 · We will review the progress on quantum control in open and periodically driven systems. Special attention will be paid to the distinguished role played by the … computing and ethics class 9 icseWebApplications of quantum mechanics prior to the 1970s typically involved a gross level of control over a bulk sample containing an enormous number of quantum mechanical … computing and artificial intelligenceWebTopological properties of physical systems can lead to robust behaviors that are insensitive to microscopic details. Such topologically robust phenomena are not limited to static … computing and financial management coursesWebJul 18, 2024 · However, it has been shown that at intermediate time scales novel interesting effects can still be observed in an isolated periodically driven, ergodic system, such as the onset of NEQ long-lived ... economic cost from crashes each yearWebMay 23, 2024 · Huan-Yu Wang, Xiao-Ming Zhao, Lin Zhuang, Wu-Ming Liu Floquet engineering, modulating quantum systems in a time periodic way, lies at the central part for realizing novel topological dynamical states. Thanks to the Floquet engineering, various new realms on experimentally simulating topological materials have emerged. computing and ethics spidergramWebAbstract: This dissertation presents a self-contained study of periodically-driven quantum systems. Following a brief introduction to Floquet theory, we introduce the inverse-frequency expansion, variants of which include the Floquet-Magnus, van … computing and informatics 几区WebMar 13, 2024 · Periodically driven closed quantum many-body systems have become an active. field of research nowadays. The drive frequency, in such systems, is. an important parameter since it can be tuned to realize several interesting. phenomena that have no analog in equilibrium systems. A systematic theoretical computing and ethics