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We demonstrate robust, stable, mobile, quasi-one-dimensional, dark-in-bright dipolar Bose-Einstein condensate (BEC) soliton with a notch in the central plane formed due to dipolar interaction for repulsive contact interaction. At medium…

Quantum Gases · Physics 2015-06-19 S K Adhikari

We present experimental demonstration of quadrature and polarization entanglement generated via the interaction between a coherent linearly polarized field and cold atoms in a high finesse optical cavity. The non linear atom-field…

Quantum Physics · Physics 2009-11-10 Vincent Josse , Aurelien Dantan , Alberto Bramati , Michel Pinard , Elisabeth Giacobino

The INTENTAS project aims to develop an atomic sensor utilizing entangled Bose-Einstein condensates (BECs) in a microgravity environment. This key achievement is necessary to advance the capability for measurements that benefit from both…

Entanglement serves as a core resource for quantum information technologies, including applications in quantum cryptography, quantum metrology, and quantum communication. In this study, we give a unifying description of the stationary…

Quantum Physics · Physics 2024-11-11 Oumayma El Bir , Abderrahim Lakhfif , Abdallah Slaoui

Monolayer transition metal dichalcogenides (TMDs) host deeply bound excitons interacting with itinerant electrons, and as such they represent an exciting new quantum many-body Bose-Fermi mixture. Here, we demonstrate that electrons…

Superconductivity · Physics 2022-10-24 Aleksi Julku , Jami J. Kinnunen , Arturo Camacho-Guardian , Georg M. Bruun

The Bloch and dipole oscillations of a Bose Einstein condensate (BEC) in an optical superlattice is investigated. We show that the effective mass increases in an optical superlattice, which leads to localization of the BEC, in accordance…

Statistical Mechanics · Physics 2009-11-13 Aranya B Bhattacherjee , Monika Pietrzyk

We propose a simple method to generate quantum entanglement between two macroscopic mechanical resonators in a two-cavity optomechanical system. This entanglement is induced by the radiation pressure of a single photon hopping between the…

Quantum Physics · Physics 2014-01-14 Jie-Qiao Liao , Qin-Qin Wu , Franco Nori

We study a Bose-Einstein condensate (BEC) of a dilute gas with dipolar interactions, at finite temperature, using the Hartree-Fock-Bogoliubov (HFB) theory within the Popov approximation. An additional approximation involving the dipolar…

Statistical Mechanics · Physics 2009-11-13 Shai Ronen , John Bohn

We propose a scheme to generate and detect various kinds of quantum entanglement in a spin-1 Bose-Einstein condensate. It is shown that substantial many-particle entanglement can be generated directly in the spin-1 condensate by free…

Quantum Physics · Physics 2009-11-07 L. -M. Duan , J. I. Cirac , P. Zoller

We theoretically study a cavity filled with atoms, which provides the optical-mechanical interaction between the modified cavity photonic field and a movable mirror at one end. We show that the cavity field ``dresses'' these atoms,…

Quantum Physics · Physics 2009-02-16 H. Ian , Z. R. Gong , Yu-xi Liu , C. P. Sun , Franco Nori

This paper explores the sensitivity of the human visual system to quantum entangled light. We examine the possibility of human subjects perceiving multipartite entangled state through psychophysical experiments. Our focus begins with a…

Biological Physics · Physics 2024-05-07 Lea Gassab , Ali Pedram , Özgür E. Müstecaplıoğlu

The relative phase of two initially independent Bose-Einstein condensates can be laser cooled to unite the two condensates by putting them into a ring cavity and coupling them with an internal Josephson junction. First, we show that this…

Condensed Matter · Physics 2009-11-07 D. Jaksch , S. A. Gardiner , K. Schulze , J. I. Cirac , P. Zoller

Semiconductor-microcavity polaritons are composite quasiparticles of excitons and photons, emerging in the strong coupling regime. As quantum superpositions of matter and light, polaritons have much stronger interparticle interactions…

Quantum Gases · Physics 2014-12-17 Jian-Hua Jiang , Sajeev John

We study the entanglement of two impurity qubits immersed in a Bose-Einstein condensate (BEC) reservoir. This open quantum system is particularly interesting because the reservoir and system parameters are easily controllable and the…

Quantum Physics · Physics 2013-04-18 Suzanne McEndoo , Pinja Haikka , Gabriele de Chiara , Massimo Palma , Sabrina Maniscalco

The coherence and correlation properties of effective bosonic modes of a nano-mechanical cavity composed of an oscillating mirror and containing an optical lattice of regularly trapped atoms are studied. The system is modeled as a…

Quantum Physics · Physics 2013-05-30 Li-hui Sun , Gao-xiang Li , Zbigniew Ficek

Tremendous progress has been realized in quantum optics for engineering and detecting the quantum properties of light. Today, photon pairs are routinely created in entangled states. Entanglement is revealed using single-photon detectors in…

Quantum Physics · Physics 2016-05-16 Valentina Caprara Vivoli , Pavel Sekatski , Nicolas Sangouard

We present a detailed study to analyse the Dicke quantum phase transition within the thermodynamic limit for an optomechanically driven Bose-Einstein condensates in a cavity. The photodetection-based quantum optical measurements have been…

Quantum Gases · Physics 2013-11-18 Neha Aggarwal , Sonam Mahajan , Aranya B Bhatttacherjee , Man Mohan

We address an experimental scheme to analyze the optical bistability and the entanglement of two movable mirrors coupled to a two-mode laser inside a doubly resonant cavity. With this aim we investigate the master equations of the…

Quantum Physics · Physics 2019-05-22 Berihu Teklu , Tim Byrnes , Faisal Shah Khan

We demonstrate stable and metastable vortex-bright solitons in a three-dimensional spin-orbit-coupled three-component hyperfine spin-1 Bose-Einstein condensate (BEC) using numerical solution and variational approximation of a mean-field…

Quantum Gases · Physics 2019-08-20 Sandeep Gautam , S. K. Adhikari

Recent experiments on Bose--Einstein condensates in optical cavities have reported a quantum phase transition to a coherent state of the matter-light system -- superradiance. The time dependent nature of these experiments demands…

Quantum Gases · Physics 2010-08-17 J. Keeling , M. J. Bhaseen , B. D. Simons