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Random tunneling two-level systems (TLSs) in dielectrics have been of interest recently because they adversely affect the performance of superconducting qubits. The coupling of TLSs to qubits has allowed individual TLS characterization,…

We demonstrate theoretically the parametric oscillator behavior of a two-level quantum system with broken inversion symmetry exposed to a strong electromagnetic field. A multitude of resonance frequencies and additional harmonics in the…

量子物理 · 物理学 2009-01-12 O. V. Kibis , G. Ya. Slepyan , S. A. Maksimenko , A. Hoffmann

Quantum two-level systems (TLSs) intrinsic to glasses induce decoherence in many modern quantum devices, such as superconducting qubits. Although the low-temperature physics of these TLSs is usually well-explained by a phenomenological…

We consider joint effects of tunneling and spin-orbit coupling on driven by electric field spin dynamics in a double quantum dot with a multi-level resonance scenario. We demonstrate that tunneling plays the crucial role in the formation of…

介观与纳米尺度物理 · 物理学 2012-03-26 D. V. Khomitsky , L. V. Gulyaev , E. Ya. Sherman

Level attraction can appear in driven systems where instead of repulsion two modes coalesce in a region separated by two exceptional points. This behavior was proposed for optomechanical and optomagnonic systems, and recently observed for…

介观与纳米尺度物理 · 物理学 2021-05-12 Igor Proskurin , Robert L. Stamps

The interaction of a quantum two-level system with a resonant driving field results in the emergence of Rabi oscillations, which are the hallmark of a controlled manipulation of a quantum state on the Bloch sphere. This all-optical coherent…

In conventional solid-state electron systems with localized states the ac absorption is linear since the inelastic widths of the energy levels exceeds the drive amplitude. The situation is different in the systems of cold atoms in which…

无序系统与神经网络 · 物理学 2019-05-22 Rajesh K. Malla , M. E. Raikh

The resonant interaction of laser light with atoms is analyzed from the time-dependent density functional theory perspective using a model Helium atom which can be solved exactly. It is found that in exact-exchange approximation the…

原子物理 · 物理学 2015-05-13 M. Ruggenthaler , D. Bauer

The Rabi oscillations of a two-level atom illuminated by a laser on resonance with the atomic transition may be suppressed by the atomic motion through averaging or filtering mechanisms. The optical analogs of these velocity effects are…

量子物理 · 物理学 2009-11-11 J. G. Muga , B. Navarro

We propose a scheme to simulate the interaction between a two-level system and a classical light field. Under the transversal driving of two microwave tones, the system Hamiltonian is identical to that of the general semi-classical Rabi…

量子物理 · 物理学 2017-12-18 Kunzhe Dai , Haiteng Wu , Peng Zhao , Mengmeng Li , Qiang Liu , Guangming Xue , Xinsheng Tan , Haifeng Yu , Yang Yu

We analyze the dynamics of a two-level quantum system (TLS) under the influence of a strong sinusoidal driving signal whose origin is the interaction of the two-level system with a quantum field. In this approach the driving field is…

量子物理 · 物理学 2017-03-21 S. Ashhab

The well-known laser-induced Rabi oscillations of a two-level atom are shown to be suppressed under certain conditions when the atom is entering a laser-illuminated region. For temporal Rabi oscillations the effect has two regimes:…

量子物理 · 物理学 2009-11-10 B. Navarro , I. L. Egusquiza , J. G. Muga , G. C. Hegerfeldt

We study the dynamics of a set of two-level systems coupled by dipolar interactions under a resonant external Rabi drive. The two-level systems are prepared initially in a coherent product state, and we ask how the non-equilibrium…

量子气体 · 物理学 2017-07-11 C. D. Parmee , N. R. Cooper

A light pulse propagating in a suddenly switched on photonic lattice, when the central frequency lies in the photonic band gap, is an analog of the Rabi model where the two-level system is the two resonant (i.e. Bragg-coupled) Fourier modes…

光学 · 物理学 2009-11-13 V. S. Shchesnovich

We consider the phase-transition-like behaviour in the Rabi model containing a single two-level system, or qubit, and a single harmonic oscillator. The system experiences a sudden transition from an uncorrelated state to an increasingly…

量子物理 · 物理学 2013-12-30 S. Ashhab

We introduce the cross-cavity quantum Rabi model describing the interaction of a single two-level system with two orthogonal boson fields and propose its quantum simulation by two-dimensional, bichromatic, first-sideband driving of a single…

量子物理 · 物理学 2016-10-12 C. Huerta Alderete , B. M. Rodríguez-Lara

The familiar Rabi model, comprising a two-level system coupled to a quantum harmonic oscillator, continues to produce rich and surprising physics when the coupling strength becomes comparable to the individual subsystem frequencies. We…

量子物理 · 物理学 2014-02-26 E. K. Irish , J. Gea-Banacloche

We study the coherent dynamics of an excited two-level atom in a vacuum optomechanical cavity and find that the original atom-cavity Rabi oscillation is sinusoidally modulated by the light-mechanics coupling as the Rabi splitting is on…

量子物理 · 物理学 2015-07-21 Zhenshan Yang , Chenglin Bai , Xiangguo Meng , Minghong Wang

When a two-level quantum system is irradiated with a microwave signal, in resonance with the energy difference between the levels, it starts Rabi oscillation between those states. If there are other states close, in energy, to the first…

介观与纳米尺度物理 · 物理学 2015-06-24 M. H. S. Amin

We demonstrate that four-wave mixing processes in high-quality non-linear resonators can lead to Rabi-like oscillations in photon occupation numbers and second-order correlation functions, being a characteristic feature of the presence of…

量子物理 · 物理学 2016-03-01 Y. Sherkunov , David M. Whittaker , Vladimir Falko