English
Related papers

Related papers: Tunable Bistability in Hybrid Bose-Einstein Conden…

200 papers

In this paper, firstly, we consider bipartite entanglement between each part of an optomechanical cavity composed of one dimensional Bose-Einstein condensate (BEC). we investigate atomic collision on the behavior of the BEC in the week…

Quantum Physics · Physics 2017-01-03 Mohammad Eghbali-Arani , Vahid Ameri

We predict a dynamical classical superfluid-insulator transition in a Bose-Einstein condensate (BEC) trapped in a combined optical and axially-symmetric harmonic potentials initiated by a periodic modulation of the radial trapping…

Soft Condensed Matter · Physics 2009-11-07 Sadhan K. Adhikari

We investigate the energy structures and the dynamics of a Bose-Einstein condensates (BEC) in a triple-well potential coupled a high finesse optical cavity within a mean field approach. Due to the intrinsic atom-cavity field nonlinearity,…

Quantum Gases · Physics 2012-07-13 Lei Tan , Bin Wang , Peter Barker , Wu-Ming Liu

We theoretically investigate the dispersive interaction of a Bose-Einstein condensate (BEC) trapped inside an optomechanical cavity with a moving end mirror in the presence of the laser phase noise (LPN) as well as the atomic collisions. We…

Quantum Physics · Physics 2017-01-04 A. Dalafi , M. H. Naderi

We study the emergence of dynamical phases of a Bose-Einstein condensate that is optomechanically coupled to a dissipative cavity mode and transversally driven by a laser. We focus on the regime close to the optomechanical resonance, where…

Quantum Physics · Physics 2025-10-28 Gage W. Harmon , Giovanna Morigi , Simon B. Jäger

We investigate the nonlinear dynamics of a combined system which is composed of a cigar-shaped Bose-Einstein condensate and an optical cavity. The two sides couple dispersively. This system is characterized by its nonlinearity: after…

Quantum Physics · Physics 2009-11-13 J. M. Zhang , F. C. Cui , D. L. Zhou , W. M. Liu

In this paper, we study theoretically the optomechanical interaction of an almost pure condensate of photons with an oscillating mechanical membrane in a micro-cavity. We show that in the Bogoliubov approximation, due to the large number of…

Quantum Physics · Physics 2016-10-17 M. Fani , M. H. Naderi

We investigate the dynamical phase transition of two-component Bose-Einstein condensate with nonlinear tunneling, which is trapped inside a double-well and dispersively coupled to a single mode of a high-finesse optical cavity with one…

Quantum Physics · Physics 2018-08-01 Qing Li , Lei Tan , Jin-Lou Ma , Huai-Qiang Gu , Yun-Xia Shi , Wu-Ming Liu

We study the mutual interaction of a Bose-Einstein condensed gas with a single mode of a high-finesse optical cavity. We show how the cavity transmission reflects condensate properties and calculate the self-consistent intra-cavity light…

Condensed Matter · Physics 2009-10-31 Peter Horak , Stephen M. Barnett , Helmut Ritsch

We realize a non-degenerate two-mode Dicke model with competing interactions in a Bose-Einstein condensate (BEC) coupled to two orthogonal polarization modes of a single optical cavity. The BEC is coupled to the cavity modes via the scalar…

We theoretically propose and investigate a feasible experimental scheme for the realization of the dynamical Casimir effect (DCE) in a hybrid optomechanical cavity with a moving end mirror containing an interacting cigar-shaped…

Quantum Physics · Physics 2018-07-27 Ali Motazedifard , A. Dalafi , M. H. Naderi , R. Roknizadeh

An interacting cigar-shaped Bose-Einstein condensate (BEC) inside a driven optical cavity exhibits an intrinsic cross-Kerr (CK) nonlinearity due to the interaction with the optical mode of the cavity. Although the CK coupling is much weaker…

Quantum Physics · Physics 2017-04-12 A. Dalafi , M. H. Naderi

We consider a ferromagnetic spin-1 Bose-Einstein condensate (BEC) dispersively coupled to a unidirectional ring cavity. We show that the ability of a cavity to modify, in a highly nonlinear fashion, matter-wave phase shifts adds a new…

Quantum Gases · Physics 2015-05-19 Lu Zhou , Han Pu , Hong Y. Ling , Keye Zhang , Weiping Zhang

We present a novel concept for a compact and robust crossed-beam optical dipole trap (cODT) based on a single lens, designed for the efficient generation of Bose-Einstein condensates (BECs) under dynamic conditions. The system employs two…

Quantum Physics · Physics 2026-04-20 Jan Simon Haase , Alexander Fieguth , Igor Bröckel , Janina Hamann , Jens Kruse , Carsten Klempt

We investigate the dynamical instability of Bose-Einstein condensates (BECs) with higher-order interactions immersed in an optical lattice with weak driving harmonic potential. For this, we compute both analytically and numerically a…

Pattern Formation and Solitons · Physics 2015-06-19 E. Wamba , S. Sabari , K. Porsezian , A. Mohamadou , T. C. Kofané

We consider a hybrid atom-optomechanical system consisting of a mechanical membrane inside an optical cavity and an atomic Bose-Einstein condensate outside the cavity. The condensate is confined in an optical lattice potential formed by a…

Quantum Gases · Physics 2021-03-03 Jia-Ming Cheng , Zheng-Wei Zhou , Guang-Can Guo , Han Pu , Xiang-Fa Zhou

We analyze the optomechanics-like properties of a Bose-Einstein condensate (BEC) trapped inside an optical resonator and driven by both a classical and a quantized light field. We find that this system exhibits a nature of role reversal…

Quantum Physics · Physics 2012-06-19 Keye Zhang , Pierre Meystre , Weiping Zhang

We predict a dynammical classical superfluid-insulator transition (CSIT) in a Bose-Einstein condensate (BEC) trapped in an optical and a magnetic potential. In the tight-binding limit, this system realizes an array of weakly-coupled…

Statistical Mechanics · Physics 2009-11-07 A. Smerzi , A. Trombettoni , P. G. Kevrekidis , A. R. Bishop

The optical bistability have been studied theoretically in a multi-mode optomechanical system with two mechanical oscillators independently coupled to two cavities in addition to direct tunnel coupling between cavities. It is proved that…

Quantum Physics · Physics 2021-05-13 Zhen Wang , Cheng Jiang , Yong He , Chang-Ying Wang , Xiao-Lei Yin , Heng-Mei Li , Hong-Chun Yuan

A parametrically forced Bose-Einstein condensate (BEC) is studied in the mean field approach for the case of a general moving optical lattice. The interaction between the atoms in the condensate and the time dependent lattice potential…

Quantum Gases · Physics 2015-06-04 Priyam Das , Prasanta K. Panigrahi