Related papers: Analysis of Bose-Einstein correlations in e+e- -> …

Chaotic dynamics of a Bose-Einstein condensate coupled to a qubit

We study numerically the coupling between a qubit and a Bose-Einstein condensate (BEC) moving in a kicked optical lattice, using Gross-Pitaevskii equation. In the regime where the BEC size is smaller than the lattice period, the chaotic…

Statistical Mechanics · Physics 2009-06-16 J. Martin , B. Georgeot , D. L. Shepelyansky

Collision Dynamics of Bose-Einstein Condensates

We study the collision dynamics of two Bose-Einstein condensates with their dynamical wave functions modeled by a set of coupled, time-dependent Gross-Pitaevskii equations. Beginning with an effective one-dimensional system, we identify…

Quantum Gases · Physics 2022-03-22 Aaron Wirthwein , Stephan Haas , Sheng-wey Chiow

Bragg spectroscopy of a strongly interacting 85Rb Bose-Einstein condensate

We report on measurements of the excitation spectrum of a strongly interacting Bose-Einstein condensate (BEC). A magnetic-field Feshbach resonance is used to tune atom-atom interactions in the condensate and to reach a regime where quantum…

Other Condensed Matter · Physics 2009-11-13 S. B. Papp , J. M. Pino , R. J. Wild , S. Ronen , C. E. Wieman , D. S. Jin , E. A. Cornell

Entropy of the BEC Ground State: Correlation vs Ground State Entropy

Calculation of the entropy of an ideal Bose Einstein Condensate (BEC) in a three dimensional trap reveals unusual, previously unrecognized, features of the Canonical Ensemble. It is found that, for any temperature, the entropy of the Bose…

Quantum Gases · Physics 2018-01-10 Moochan B. Kim , Anatoly Svidzinsky , Girish S. Agarwal , Marlan O. Scully

Molecular Bose-Einstein condensation in a Bose gas with a wide Feshbach resonance at finite temperatures

Bose-Einstein condensation (BEC) of Feshbach molecules in a homogeneous Bose gas is studied at finite temperatures in a single-channel mean-field approach where the Hartree-Fock energy and pairing gap are determined self-consistently. In…

Quantum Gases · Physics 2010-02-21 Zeng-Qiang Yu , Lan Yin

Collision of impurities with Bose-Einstein condensates

Quantum dynamics of impurities in a bath of bosons is a long-standing problem of solid-state, plasma, and atomic physics. Recent experimental and theoretical investigations with ultracold atoms focused on this problem, studying atomic…

Quantum Gases · Physics 2018-04-17 F. Lingua , L. Lepori , F. Minardi , V. Penna , L. Salasnich

New Results on e+e- Line Emission in U+Ta Collisions

We present new results obtained from a series of follow-up e+e- coincidence measurements in heavy-ion collisions, utilizing an improved experimental set-up at the double-Orange beta-spectrometer of GSI. The collision system U+Ta was…

Nuclear Experiment · Physics 2012-08-27 The Orange Collaboration , U. Leinberger , E. Berdermann , F. Heine , S. Heinz , O. Joeres , P. Kienle , I. Koenig , W. Koenig , C. Kozhuharov , M. Rhein , A. Schroeter , H. Tsertos

Interaction between gravitational waves and trapped Bose-Einstein condensates

Inspired by recent proposals for detecting gravitational waves by using Bose-Einstein condensates (BECs), we investigate the interplay between these two phenomena. A gravitational wave induces a phase shift in the fidelity amplitude of the…

Quantum Gases · Physics 2024-12-12 A. Perodi , L. Salasnich

Proof of Bose-Einstein Condensation for Interacting Gases with a One-Particle Spectral Gap

Using a specially tuned mean-field Bose gas as a reference system, we establish a positive lower bound on the condensate density for continuous Bose systems with superstable two-body interactions and a finite gap in the one-particle…

Mathematical Physics · Physics 2009-11-07 J. Lauwers , A. Verbeure , V. A. Zagrebnov

Bose-Einstein correlations and the stochastic scale of light hadrons emitter source

Based on quantum field theory at finite temperature we carried out new results for two-particle Bose-Einstein correlation (BEC) function ${C_2}(Q)$ in case of light hadrons. The important parameters of BEC function related to the size of…

High Energy Physics - Phenomenology · Physics 2017-08-23 G. A. Kozlov

Measurement of $e^+e^-\to pK^-\bar{\Lambda}+c.c.$ cross sections between 4.009 GeV and 4.951 GeV

Using $e^+e^-$ collision datasets corresponding to total integrated luminosity of 21.7 fb$^{-1}$ collected with the BESIII detector at the BEPCII collider at center-of-mass energies ranging from 4.009 GeV to 4.951 GeV, the energy-dependent…

High Energy Physics - Experiment · Physics 2025-02-28 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , R. Aliberti , A. Amoroso , M. R. An , Q. An , Y. Bai , O. Bakina , I. Balossino , Y. Ban , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , J. Bloms , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , J. F. Chang , T. T. Chang , W. L. Chang , G. R. Che , G. Chelkov , C. Chen , Chao Chen , G. Chen , H. S. Chen , M. L. Chen , S. J. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , Y. B. Chen , Y. Q. Chen , Z. J. Chen , W. S. Cheng , S. K. Choi , X. Chu , G. Cibinetto , S. C. Coen , F. Cossio , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , B. Ding , X. X. Ding , Y. Ding , Y. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , S. X. Du , Z. H. Duan , P. Egorov , Y. L. Fan , J. Fang , S. S. Fang , W. X. Fang , Y. Fang , R. Farinelli , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , K Fischer , M. Fritsch , C. Fritzsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , Y. N. Gao , Yang Gao , S. Garbolino , I. Garzia , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A Gilman , K. Goetzen , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y Guan , Z. L. Guan , A. Q. Guo , L. B. Guo , M. J. Guo , R. P. Guo , Y. P. Guo , A. Guskov , T. T. Han , W. Y. Han , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , T. Holtmann , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , T. Hu , Y. Hu , G. S. Huang , K. X. Huang , L. Q. Huang , X. T. Huang , Y. P. Huang , T. Hussain , N Hüsken , W. Imoehl , M. Irshad , J. Jackson , S. Jaeger , S. Janchiv , J. H. Jeong , Q. Ji , Q. P. Ji , X. 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Pan , A. Pathak , P. Patteri , Y. P. Pei , M. Pelizaeus , H. P. Peng , K. Peters , J. L. Ping , R. G. Ping , S. Plura , S. Pogodin , V. Prasad , F. Z. Qi , H. Qi , H. R. Qi , M. Qi , T. Y. Qi , S. Qian , W. B. Qian , C. F. Qiao , J. J. Qin , L. Q. Qin , X. P. Qin , X. S. Qin , Z. H. Qin , J. F. Qiu , S. Q. Qu , C. F. Redmer , K. J. Ren , A. Rivetti , V. Rodin , M. Rolo , G. Rong , Ch. Rosner , S. N. Ruan , N. Salone , A. Sarantsev , Y. Schelhaas , K. Schoenning , M. Scodeggio , K. Y. Shan , W. Shan , X. Y. Shan , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. C. Shi , J. L. Shi , J. Y. Shi , Q. Q. Shi , R. S. Shi , X. Shi , J. J. Song , T. Z. Song , W. M. Song , Y. J. Song , Y. X. Song , S. Sosio , S. Spataro , F. Stieler , Y. J. Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. Sun , S. S. Sun , T. Sun , W. Y. Sun , Y. Sun , Y. J. Sun , Y. Z. Sun , Z. T. Sun , Y. X. Tan , C. J. Tang , G. Y. Tang , J. 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Viscous interacting and stability on dark matter Bose-Einstein condensation with modified Chaplygin gas

In this paper, the viscous cosmological dynamics are studied in the presence of dark matter Bose-Einstein Condensation (BEC) by curved-FRW background. For this purpose, we use the BEC regime rather than the normal dark matter (the cold dark…

General Relativity and Quantum Cosmology · Physics 2021-11-24 E. Mahichi , Alireza Amani , M. A. Ramzanpour

Coulomb and core/halo corrections to Bose-Einstein n-particle correlations

We report on a systematic treatment of Coulomb corrections for 3- and n-particle (Bose-Einstein) correlations, leading to a removal of a 100 % systematic error from earlier Coulomb corrections of 5-particle Bose-Einstein correlations in…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. O. Alt , T. Csorgo , B. Lorstad , J. Schmidt-Sorensen

A possible simultaneous fit to the available $e^+e^- \rightarrow \Lambda^+_c \bar{\Lambda}^-_c$ cross section data nearby $\psi(4660)$ by means of a strong correction to the Coulomb enhancement factor

There are two available set of data on the $e^+e^- \rightarrow \Lambda^+_c \bar{\Lambda}_c^-$ cross section above threshold. The BELLE measurement, with ISR return, is compatible with the presence of a resonant state, called $\psi(4660)$…

High Energy Physics - Phenomenology · Physics 2021-11-16 Antonio Amoroso , Stefano Bagnasco , Rinaldo Baldini Ferroli , Ilaria Balossino , Monica Bertani , Diego Bettoni , Fabrizio Bianchi , Alberto Bortone , Alessandro Calcaterra , Gianluigi Cibinetto , Fabio Cossio , Francesca De Mori , Manuel Dioniso Da Rocha Rolo , Marco Destefanis , Riccardo Farinelli , Luciano Fava , Giulietto Felici , Luciano Gaido , Isabella Garzia , Michela Greco , Lia Lavezzi , Stefano Lusso , Marco Maggiora , Alessio Mangoni , Simonetta Marcello , Giulio Mezzadri , Elisabetta Pace , Simone Pacetti , Piero Patteri , Angelo Rivetti , Marco Scodeggio , Stefano Sosio , Stefano Spataro

Spontaneous Emergence of Phase Coherence in a quasiparticle Bose-Einstein Condensate

Since their prediction by Einstein at the dawn of quantum mechanics, Bose-Einstein condensates (BECs), owing to their property to show quantum phenomena on macroscopic scales, are drawing increasing attention across various fields in…

Quantum Gases · Physics 2025-07-24 Malte Koster , Matthias R. Schweizer , Timo Noack , Vitaliy I. Vasyuchka , Dmytro A. Bozhko , Burkard Hillebrands , Mathias Weiler , Alexander A. Serga , Georg von Freymann

Numerical modelling of quantum statistics in high-energy physics

Numerical modelling of quantum effects caused by bosonic or fermionic character of secondaries produced in high energy collisions of different sorts is at the moment still far from being established. In what follows we propose novel…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

Condensation in a Disordered Infinite-Range Hopping Bose-Hubbard Model

We study Bose-Einstein Condensation (BEC) in the Infinite-Range Hopping Bose-Hubbard model for repulsive on-site particle interaction in presence of ergodic random one-site potentials with different distributions. We show that the model is…

Mathematical Physics · Physics 2009-11-11 T. C. Dorlas , L. A. Pastur , V. A. Zagrebnov

Feedback Induced Magnetic Phases in Binary Bose-Einstein Condensates

Weak measurement in tandem with real-time feedback control is a new route toward engineering novel non-equilibrium quantum matter. Here we develop a theoretical toolbox for quantum feedback control of multicomponent Bose-Einstein…

Quantum Gases · Physics 2020-12-11 Hilary M. Hurst , Shangjie Guo , I. B. Spielman

Observation of Phase Fluctuations in Bose-Einstein Condensates

The occurrence of phase fluctuations due to thermal excitations in Bose-Einstein condensates (BECs) is studied for a variety of temperatures and trap geometries. We observe the statistical nature of the appearence of phase fluctuations and…

Statistical Mechanics · Physics 2009-11-07 S. Dettmer , D. Hellweg , P. Ryytty , J. J. Arlt , W. Ertmer , K. Sengstock , D. S. Petrov , G. V. Shlyapnikov , H. Kreutzmann , L. Santos , M. Lewenstein

Entanglement and correlations in an exactly-solvable model of a Bose-Einstein condensate in a cavity

An exactly solvable model of a trapped interacting Bose-Einstein condensate (BEC) coupled in the dipole approximation to a quantized light mode in a cavity is presented. The model can be seen as a generalization of the harmonic-interaction…

Quantum Gases · Physics 2024-07-09 Ofir E. Alon , Lorenz S. Cederbaum