Quantum kicked rotor

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August undefined, 2024

WebOct 9, 2007 · This is the first of a series of two papers. We discuss some basic problems of the quantum kicked rotator (QKR) and review some important results in the literature. We … WebAug 26, 2009 · It is proven that none of the bands in the quasi-energy spectrum of the Quantum Kicked Rotor is flat at any primitive resonance of any order. Perturbative estimates of bandwidths at small kick strength are established for the case of primitive resonances of prime order. Different bands scale with different powers of the kicking strength, due to …

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WebNumerical simulation of the classical and quantum kicked rotor model. Ultra-high vacuum techniques (design, assembly, bake-out). Development of an original laser frequency stabilization technique for laser cooling using acetylene molecule. Development of an automated data processing using Matlab. WebFeb 28, 2024 · Using a gas of 100,000 ultracold lithium atoms suspended in a standing wave of light and “kicking” them, emulating a so-called quantum kicked rotor (“similar to a periodically kicked pendulum,” both Weld and Sajjad said), the researchers were able to create the lattice and the disorder, and observe the launch and return of the boomerang. grammarly citation generator mla form

Quantum kicked rotor and its variants: Chaos

WebObservation of High-Order Quantum Resonances in the Kicked Rotor Phys. Rev. Lett. 98, 083004 (2007) February 23, 2007 ... WebMar 1, 2024 · The double kicked rotor model is a physically realizable extension of the paradigmatic kicked rotor model in the study of quantum chaos. Even before the concept of Floquet topological phases became widely known, the discovery of the Hofstadter butterfly spectrum in the double kicked rotor model [J. Wang and J. Gong, Phys. Rev. A 77, 031405 … WebThe Hebern Rotor Machine was an electro-mechanical encryption machine built by combining the mechanical parts of a standard typewriter with the electrical parts of an electric typewriter, connecting the two through a scrambler. It is the first example (though just barely) of a class of machines known as rotor machines that would become the … grammarly citation maker

Magdalini Zonnios - PHD Researcher Quantum information …

The kicked rotator, also spelled as kicked rotor, is a paradigmatic model for both Hamiltonian chaos (the study of chaos in Hamiltonian systems) and quantum chaos. It describes a free rotating stick (with moment of inertia $${\displaystyle I}$$) in an inhomogeneous "gravitation like" field that is periodically switched … See more Stroboscopic dynamics The equations of motion of the kicked rotator write Transition from integrability to chaos The kicked rotator is a prototype model to illustrate the … See more Stroboscopic dynamics The dynamics of the quantum kicked rotator (with wave function See more • Circle map See more • Scholarpedia entry See more Webquantum mechanical suppression of chaos exhibits strik-ing similarities to the phenomenon of Anderson localiza-tion in disordered metallic wires [1]. By deﬁnition, the kicked rotor is a point particle that moves freely on a circle. The particle is kicked periodi-cally in time, where the kick strength depends on the angular position. grammarly citation generator mlaWebUniversal Resource Trading Ltd11x Beckman Coulter Avanti J Series / Optima Ultracentrifuge & Rotor User Manual This set was removed from a university lab during a clearout. 3 x Techniques of Preparative Zonal and Continuous Flow Ultra-Centrifugation.1 x Beckman Coulter Rotors, tubes and accessories Ultra-Centrifuge.1 x Beckman Coulter … grammarly cite machine

"WebMar 15, 2024 · We study entanglement entropy (EE) as a signature of quantum chaos in ergodic and nonergodic systems. In particular we look at the quantum kicked top and … " - Quantum kicked rotor

Quantum kicked rotor

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WebDec 26, 2024 · Typically, this quantum kicked rotor would enter into a localized regime after a certain time, where the kinetic energy would stop growing, but we found that many-body interactions can suppress ... WebStudies of dynamical localization in a finite-dimensional model of the quantum kicked rotator; Elektronski vir Ta stran uporablja JavaScript. Vaš brskalnik ne podpira JavaScripta ali pa je ta izklopljen.

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WebThe Hamiltonian of a kicked rotator is defined as the quantum version of the standard map classical Hamiltonian: \begin {equation} H = \frac {L_z^2} {2I} - JT \cos \varphi \, \delta_T … Webkicked rotor and report on quantum resonances, the phenomena of rotational Bloch oscillations and Rabi oscillations. In addition, multi-pulse excitation is investigated in the context of creating broad rotational wave packets. Another goal of the reported study is the coherent control of quantum

WebApr 22, 2024 · Kicked rotor is a paradigmatic model for classical and quantum chaos in time-dependent Hamiltonian systems. More than fifty years since the introduction of this … WebFeb 23, 2024 · We report the experimental observation and characterization of this surprising quantum-mechanical phenomenon. In our experiments, we expose a gas of …

WebSep 26, 2024 · A quantum rotor periodically kicked stops absorbing energy after a certain time and enters into a localized regime. Two experiments with cold atoms have now … WebDecoherence without classicality in the resonant quantum kicked rotor. Select any item from the right-pane. Content Source: arXiv.org.

WebPHYSICAL REVIEW E, VOLUME 65, 036215 Quantum localization for a kicked rotor with accelerator mode islands A. Iomin,1 S. Fishman,1 and G. M. Zaslavsky2,3 1 Department of Physics, Technion, Haifa, 32000, Israel 2 Courant Institute of Mathematical Sciences, New York University, 251 Mercer Street, New York, New York 10012 3 Department of Physics, …

WebJan 11, 2024 · We analytically investigate the analogy between a standard continuous-time quantum walk in one dimension and the evolution of the quantum kicked rotor at … grammarly check re writingWebJan 27, 2024 · The quantum motion of coupled kicked rotors is mapped to an interacting -particle Anderson-Aubry-Andr é tight-binding problem supporting many-body localised (MBL) phases. Interactions in configuration space are known to be insufficient for destroying Anderson localisation in a system in the MBL phase. The mapping we establish here … grammarly citationsWebWe implemented a multipulse interferometer scheme that allows us to study a quantum kicked rotor by observing dephasing of momentum coherence. Our study shows that momentum coherence can be nearly perfectly preserved under conditions where the mean energy as a function of the kick number is known to increase without bound. china resources packagingWebThese are the proceedings of the Third Max Born Symposium which took place at SobOtka Castle in September 1993. The Symposium is organized annually by the Institute of Theoretical Physics of the University of Wroclaw. grammarly cite my sourceWebThe kicked rotator, also spelled as kicked rotor, is a prototype model for chaos and quantum chaos studies. It describes a particle that is constrained to move on a ring (equivalently: a rotating stick). The particle is kicked periodically by an homogeneous field (equivalently: the gravitation is switched on periodically in short pulses). china resources new energy group companyWebWe experimentally study a system of quantum kicked rotors - an ensemble of diatomic molecules exposed to a periodic sequence of ultrashort laser pulses. In the regime, where the underlying classical dynamics is chaotic, we investigate the quantum phenomenon of dynamical localization by means of state-resolved coherent Raman spectroscopy. grammarly cite reference apa style generatorWebconsidering another system, the quantum kicked rotor (QKR). This system has been extensively studied in the framework of quantum chaos [34]. From an experimental point of view, it has allowed the study of interference effects mimicking those observed with spatial disorder in a very controlled way [35]. For example, dynamical localization, the ... china resources sha tin warehouse