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相关论文: Bose-Einstein correlations in thermal field theory

200 篇论文

Within a relativistic hydrodynamic framework, we use four different equations of state of nuclear matter to compare to experimental spectra from CERN/SPS experiments NA44 and NA49. Freeze-out hypersurfaces and Bose-Einstein correlation…

核理论 · 物理学 2011-09-13 B. R. Schlei , D. Strottman , J. P. Sullivan , H. W. van Hecke

Model-independent considerations are presented for the calculation of Bose-Einstein correlation functions and momentum distributions which describe boson-emitting systems containing a central part surrounded by a large halo. If the…

高能物理 - 唯象学 · 物理学 2015-06-25 T. Csorgo , B. Lorstad , J. Zimanyi

Using a specific version of thermal Quantum Field Theory (QFT), supplemented by operator-field evolution of the Langevin type, we discuss two issues concerning the Bose Einstein correlations (BEC): the origin of different possible coherent…

高能物理 - 唯象学 · 物理学 2007-05-23 G. A. Kozlov , O. V. Utyuzh , G. Wilk

The Bose-Einstein condensation of correlated atoms in a trap is studied by examining the effect of inter-particle correlations to one-body properties of atomic systems at zero temperature using a simplified formula for the correlated two…

软凝聚态物质 · 物理学 2009-11-07 Ch. C. Moustakidis , S. E. Massen

We review the properties of chaoticity and coherence in Bose-Einstein condensation and correlations, for a dense boson system in its mean-field represented approximately by a harmonic oscillator potential. The order parameter and the nature…

高能物理 - 唯象学 · 物理学 2015-01-27 Cheuk-Yin Wong , Wei-Ning Zhang , Jie Liu , Peng Ru

Bose-Einstein correlations (BEC) observed between identical bosons produced in high energy multiparticle collisions are regarded as very important tool in investigations of multiparticle production processes. We present here their…

高能物理 - 唯象学 · 物理学 2014-11-17 O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

We consider here the bremsstrahlung emission of photons at low and intermediate energies $ E_{lab}\le 1000 MeV/u$ of the projectile. and derive expressions more general than previous results obtained by Neuhauser which were limited to the…

高能物理 - 唯象学 · 物理学 2010-11-01 L. V. Razumov , R. M. Weiner

Bose-Einstein correlations in pairs of identical particles were analyzed in e+ e- multihadron annihilations at ~91.2 GeV at LEP. The first studies involved identical charged pions and the emitting source size was determined. Then the study…

高能物理 - 实验 · 物理学 2008-11-26 C. Ciocca , M. Cuffiani , G. Giacomelli

The Bose-Einstein correlations of two identically charged pions are derived when these particles, the most abundantly produced in relativistic heavy ion collisions, are confined in finite volumes. Boundary effects on single pion spectrum…

核理论 · 物理学 2009-10-31 Q. H. Zhang , Sandra S. Padula

General theory in case of homogenous Bose-Einstein condensed systems with spinor condensate is presented for the correlation functions of density and spin fluctuations and for the one-particle propagators as well. The random phase…

统计力学 · 物理学 2009-10-31 Peter Szepfalusy , Gergely Szirmai

A collision of Bose-Einstein condensates is a useful source of single nonclassically correlated pairs of atoms. Here, we consider elastic scattering of atoms from elongated clouds taking into account an effective, finite duration of the…

量子气体 · 物理学 2020-04-01 Pawel Zin , Tomasz Wasak , Denis Boiron , Christoph I. Westbrook

We demonstrate how Bose-Einstein correlations emerge from the correlations of fluctuations allowing for their extremely simple and fast numerical modelling. Both the advantages and limitations of this new method of implementation of BEC in…

高能物理 - 唯象学 · 物理学 2007-05-23 M. Rybczynski , O. V. Utyuzh , G. Wilk , Z. Wlodarczyk

Data on Bose-Einstein correlations yield information about the interaction regions in multiple particle production processes. The conclusions are model dependent. Several popular models are briefly presented, compared and discussed.

高能物理 - 唯象学 · 物理学 2007-05-23 K. Zalewski

We study the thermal quantum correlations and entanglement in spin-1 Bose-Hubbard model with two and three particles. While we use negativity to calculate entanglement, more general non-classical correlations are quantified using a new…

量子物理 · 物理学 2013-04-01 B. Çakmak , G. Karpat , Z. Gedik

Quantum statistical (Bose-Einstein) two-particle correlations are measured in pp collisions at $\sqrt{s}=$ 0.9, 2.76, and 7 TeV, as well as in pPb and peripheral PbPb collisions at nucleon-nucleon center-of-mass energies of 5.02 and 2.76…

高能物理 - 实验 · 物理学 2018-06-20 CMS Collaboration

A generalization of the core/halo model to the Bose-Einstein correlation function of any number of particles is presented. In particular, a simple prediction is obtained for the intercept parameter of the n-particle inclusive Bose-Einstein…

高能物理 - 唯象学 · 物理学 2009-10-30 T. Csorgo

Bose-Einstein momentum correlation functions of identical bosons reveal the shape and size of the (soft) particle emitting source of the given particle. The widths of these correlation functions are called HBT radii, named after Brown and…

核实验 · 物理学 2019-08-13 Mate Csanad

We study first and second order coherence of trapped dilute Bose gases using appropriate correlation functions. Special attention is given to the discussion of second order or density correlations. Except for a small region around the…

凝聚态物理 · 物理学 2009-10-31 M. Naraschewski , R. J. Glauber

Recent experimental studies of Bose-Einstein Correlations in Z fragmentation are reviewed in view of the need to understand their apparent suppression for pions originating from different W's. Particular features discussed are source…

高能物理 - 唯象学 · 物理学 2014-11-17 Wolfram Kittel

The behavior of the spatial two-particle correlation function is surveyed in detail for a uniform 1D Bose gas with repulsive contact interactions at finite temperatures. Both long-, medium-, and short-range effects are investigated. The…

其他凝聚态物理 · 物理学 2015-05-13 P. Deuar , A. G. Sykes , D. M. Gangardt , M. J. Davis , P. D. Drummond , K. V. Kheruntsyan