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We consider the interaction between a single-mode quantized perturbing external field and a Bose-Einstein condensate (BEC) out of equilibrium. The usual Rabi type oscillations between the ground and the excited state of the coherent…

Statistical Mechanics · Physics 2009-11-11 Aranya B Bhattacherjee , Vikash Ranjan , Man Mohan

We develop a realistic model of Rabi oscillations in a quantum-dot photodiode. Based in a multi-exciton density matrix formulation we show that for short pulses the two-level models fails and higher levels should be taken into account. This…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. M. Villas-Boas , Sergio E. Ulloa , A. O. Govorov

We investigate the behavior of a circuit QED device when the resonator is initially populated with a mesoscopic coherent field. The strong coupling between the cavity and the qubit produces an entangled state involving mesoscopic…

Quantum Physics · Physics 2008-04-16 Valentin Bonzom , Hichem Bouzidi , Pascal Degiovanni

We propose a multilevel quantum heat engine with a working medium described by a generalized Rabi model which consists of a two-level system coupled to a single mode bosonic field. The model is constructed to be a continuum limit of a…

Quantum Physics · Physics 2015-03-05 Ferdi Altintas , Ali Ü. C. Hardal , Özgür E. Müstecaplıoğlu

Rabi oscillations of a two-level atom appear as a quantum interference effect between the amplitudes associated to atomic superpositions, in analogy with the classic double-slit experiment which manifests a sinusoidal interference pattern.…

Multi-qubit quantum Rabi model, which is a fundamental model describing light-matter interaction, plays an important role in various physical systems. In this paper, we propose a theoretical method to simulate multi-qubit quantum Rabi model…

Quantum Physics · Physics 2019-02-27 Jialun Li , Gangcheng Wang , Ruoqi Xiao , Chunfang Sun , Chunfeng Wu , Kang Xue

Relaxation and decoherence of a qubit coupled to environment and driven by a resonant ac field are investigated by analytically solving Bloch equation of the qubit. It is found that the decoherence of a driven qubit can be decomposed into…

Other Condensed Matter · Physics 2007-05-23 Zhongyuan Zhou , Shih-I Chu , Siyuan Han

An array of single Rydberg atoms driven by a frequency modulated light field is studied. The periodic modulation effectively modifies the Rabi coupling, leading to unprecedented dynamics in the presence of Rydberg-Rydberg interactions. They…

Quantum Gases · Physics 2018-03-28 Sagarika Basak , Yashwant Chougale , Rejish Nath

With quantum calculations, we have investigated the multiphoton nonsequential double ionization of helium atoms in intense laser fields at ultraviolet wavelengths. Very surprisingly, we find a so-far unobserved double-circle structure in…

Atomic Physics · Physics 2014-01-06 Liao Qing , Zhou Yueming , Huang Cheng , Lu Peixiang

We have observed Rabi-like oscillations in a current-biased dc SQUID presenting enhanced coherence times compared to our previous realization \cite{Claudon_PRL04}. This Josephson device behaves as an anharmonic oscillator which can be…

Mesoscale and Nanoscale Physics · Physics 2009-01-13 Julien Claudon , Alex Zazunov , Frank W. J. Hekking , Olivier Buisson

We investigate the near infrared interband absorption of semiconductor quantum wells driven by intense terahertz radiation in the regime of ultrastrong coupling, where the Rabi frequency is a significant fraction of the frequency of the…

Mesoscale and Nanoscale Physics · Physics 2011-08-12 Benjamin Zaks , Dominik Stehr , Tuan-Anh Truong , Pierre M. Petroff , Stephen Hughes , Mark S. Sherwin

Isolation of a single atomic particle and monitoring its resonance fluorescence is a powerful tool for studies of quantum effects in radiation-matter interaction. Here we present observations of quantum dynamics of an isolated neutral atom…

Quantum Physics · Physics 2009-11-06 H. Schadwinkel , V. Gomer , U. Reiter , B. Ueberholz , D. Meschede

We theoretically analyze and simulate the temporal dynamics of strongly coupled quantum dot-cavity system driven by a resonant laser pulse. We observe the signature of Rabi oscillation in the time resolved response of the system (i.e., in…

Quantum Physics · Physics 2012-03-09 Arka Majumdar , Dirk Englund , Michal Bajcsy , Jelena Vuckovic

The qubit Rabi oscillations are known to be non-decaying (though with a fluctuating phase) if the qubit is continuously monitored in the weak-coupling regime. In this paper we propose an experiment to demonstrate these persistent Rabi…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Alexander N. Korotkov

Monochromatically driven two-level systems (i.e., Rabi models) are ubiquitous in various fields of physics. Though they have been exactly solved, the physical pictures in these exact solutions are not clear. Recently, approximate analytical…

Quantum Physics · Physics 2025-04-23 Yingying Han , Shuanghao Zhang , Meijuan Zhang , Q. Guan , Wenxian Zhang , Weidong Li

An electromagnetic wave propagating through a waveguide with a strongly coupled superconducting artificial two-level atom exhibits an evolving superposition with the atom. The Rabi oscillations in the atom result from a single…

Quantum Physics · Physics 2024-12-02 A. V. Vasenin , Sh. V. Kadyrmetov , A. N. Bolgar , A. Yu. Dmitriev , O. V. Astafiev

Nonlinear optical response and optical coherence of excitons in semiconductor dense quantum dots in GaAs single quantum wells has been studied by using photon echo techniques. At low temperatures, the optical coherence is estimated to be 2…

Materials Science · Physics 2007-05-23 Y. Mitsumori , A. Hasegawa , M. Sasaki , H. Maruki , F. Minami

In this paper, we investigate the energy spectrum and coherent dynamical process in a cavity-QED setup with a moving emitter, which is subject to a harmonic potential. We find that the vibration of the emitter will induce the effective Kerr…

Quantum Physics · Physics 2022-10-18 Mingzhu Weng , Zhihai Wang

We demonstrate coherent driving of a single electron spin using second harmonic excitation in a Si/SiGe quantum dot. Our estimates suggest that the anharmonic dot confining potential combined with a gradient in the transverse magnetic field…

Mesoscale and Nanoscale Physics · Physics 2017-03-28 P. Scarlino , E. Kawakami , D. R. Ward , D. E. Savage , M. G. Lagally , Mark Friesen , S. N. Coppersmith , M. A. Eriksson , L. M. K. Vandersypen

The interaction between atoms in a two-component Bose-Einstein condensate (BEC) is effectively modulated by the Rabi oscillation. This periodic modulation of the effective interaction is shown to generate Faraday patterns through parametric…

Quantum Gases · Physics 2019-12-11 Terun Chen , Kosuke Shibata , Yujiro Eto , Takuya Hirano , Hiroki Saito
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