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By using worldline Monte Carlo technique, matrix product state and a variational approach \`a la Feynman, we investigate the equilibrium properties and relaxation features of the dissipative quantum Rabi model, where a two level system is…

We show that the Casimir-Polder interaction may induce coherent oscillations between degenerate atomic states. We illustrate this effect by computing the Casimir-Polder induced Rabi frequency on a $^{87}$Rb atom as it interacts with a…

Quantum Physics · Physics 2015-02-17 M. Donaire , M. -P. Gorza , A. Maury , R. Guerout , A. Lambrecht

The recoil effects of spontaneous photon emissions during optical pumping of a trapped three-level atom are exactly calculated. Without resort to the Lamb-Dicke approximation, and considering arbitrary detuning and saturation of the pump…

Quantum Physics · Physics 2009-11-13 S. Wallentowitz , P. E. Toschek

Atom interferometry relies on the separation and recombination of atom wavepackets. When the two paths overlap perfectly at the end of the interferometer, the phase is insensitive to the atomic velocity distribution. Here, we show that,…

Atomic Physics · Physics 2020-06-26 Léo Morel , Zhibin Yao , Pierre Cladé , Saïda Guellati-Khélifa

The future of quantum information processing hinges on chip-scale nanophotonics, specifically cavity QED and waveguide QED. One of the foremost processes underpinning quantum photonic technologies is the phenomenon of Rabi oscillations,…

Quantum Physics · Physics 2024-10-28 Debsuvra Mukhopadhyay , Jung-Tsung Shen

When an atom is strongly coupled to a cavity, the two systems can exchange a single photon through a coherent Rabi oscillation. This process enables precise quantum-state engineering and manipulation of atoms and photons in a cavity, which…

We consider dissipative dynamics of atoms in a strong standing laser wave and find a nonlinear dynamical effect of synchronization between center-of-mass motion and internal Rabi oscillations. The synchronization manifests itself in the…

Quantum Physics · Physics 2009-11-10 V. Yu. Argonov , S. V. Prants

We consider momentum transfer using frequency-chirped standing wave fields. Novel atom-beam splitter and mirror schemes based on Bragg scattering are presented. It is shown that a predetermined number of photon momenta can be transferred to…

Quantum Physics · Physics 2009-11-07 Vladimir S. Malinovsky , Paul R. Berman

Resonance fluorescence from atomic systems consists of a single spectral peak that evolves into a Mollow triplet for a strong excitation field. Photons from different peaks of the triplet show distinct photon correlation that make the…

Quantum Physics · Physics 2022-12-29 Boon Long Ng , Chang Hoong Chow , Christian Kurtsiefer

The collective effect of large amounts of atoms exhibit an enhanced interaction between light and atoms. This holds great interest in quantum optics, and quantum information. When a collective excited state of a group of atoms during Rabi…

Quantum Physics · Physics 2022-05-19 Dong-Sheng Ding , Yi-Chen Yu , Zong-Kai Liu , Bao-Sen Shi , Guang-Can Guo

Topological phase transitions can occur in the dissipative dynamics of a quantum system when the ratio of matrix elements for competing transport channels is varied. Here we establish a relation between such behavior in a class of…

Mesoscale and Nanoscale Physics · Physics 2010-10-19 M. S. Rudner , L. S. Levitov

We experimentally investigate the mixing/demixing dynamics of Bose-Einstein condensates in the presence of a linear coupling between two internal states. The observed amplitude reduction of the Rabi oscillations can be understood as a…

Quantum Gases · Physics 2015-05-30 E. Nicklas , H. Strobel , T. Zibold , C. Gross , B. A. Malomed , P. G. Kevrekidis , M. K. Oberthaler

Based on macroscopic quantum electrodynamics in linear media, we develop a general theory of the resonant Casimir-Polder force on an excited two-level atom in the presence of arbitrary linear bodies, with special emphasis on the…

Quantum Physics · Physics 2008-08-14 Stefan Yoshi Buhmann , Dirk-Gunnar Welsch

The coupling between microwave fields and atoms (or atom-like systems) is inherently weaker than for optical fields, making microwave signal manipulation for applications like quantum information processing technically challenging. In order…

Atomic Physics · Physics 2019-04-10 A. Tretiakov , L. J. LeBlanc

The use of retro-reflection in light-pulse atom interferometry under microgravity conditions naturally leads to a double-diffraction scheme. The two pairs of counterpropagating beams induce simultaneously transitions with opposite momentum…

Atomic Physics · Physics 2013-11-12 E. Giese , A. Roura , G. Tackmann , E. M. Rasel , W. P. Schleich

We present a full quantum theory for the dissipative dynamics of an optical cavity in the ultra-strong light-matter coupling regime, in which the vacuum Rabi frequency is comparable to the electronic transition frequency and the…

Other Condensed Matter · Physics 2009-11-11 Cristiano Ciuti , Iacopo Carusotto

We predict a photon Hall effect in the optical cross-section of atomic hydrogen, which is caused by the interference between an electric quadrupole transition and an electric dipole transition from the ground state to $3D_{3/2}$ and…

Optics · Physics 2013-08-09 Bart Van Tiggelen , Geert L. J. A. Rikken , Andreas Nussle

A new trap for atoms and small particles based on the interaction between an atom and the field of counter-propagating light pulses that are partially superposed in time has been proposed. A substantial difference from the known analogs…

Optics · Physics 2012-10-02 Victor I. Romanenko , Leonid P. Yatsenko

Laser induced transitions between internal states of atoms have been playing a fundamental role to manipulate atomic clouds for many decades. In absence of interactions each atom behaves independently and their coherent quantum dynamics is…

Quantum Gases · Physics 2017-10-20 Alberto Cappellaro , Tommaso Macrì , Giovanni F. Bertacco , Luca Salasnich

We investigate Rabi oscillation of an atom ensemble in Gaussian spatial distribution. By using the ultrafast laser interaction with the cold atomic rubidium vapor spatially confined in a magneto-optical trap, the oscillatory behavior of the…

Atomic Physics · Physics 2016-06-09 Han-gyeol Lee , Hyosub Kim , Jaewook Ahn