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The shape of Bose-Einstein (or HBT) correlation functions is determined for the case when particles are emitted from a stable source, obtained after convolutions of large number of elementary random processes. The two-particle correlation…

Nuclear Theory · Physics 2007-05-23 T. Csorgo , S. Hegyi , W. A. Zajc

We develop a method for detecting the inhomogeneity of the pion-emitting sources produced in ultra-relativistic heavy ion collisions, through event-by-event two-pion Bose-Einstein correlations. The root-mean-square of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yan-Yu Ren , Wei-Ning Zhang , Jian-Li Liu

It is argued that Bose-Einstein correlations constitute one of the most important and characteristic effects of strong interactions. The progress made in our understanding of this phenomenon is reviewed and a program for future research in…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. M. Weiner

We investigate the atom pair production by superradiant backward-scattering from a Bose-Einstein condensate. By driving the superradiant process with two frequencies we can extend both the range of pulse duration and intensity by two orders…

Other Condensed Matter · Physics 2007-07-11 K. M. R. van der Stam , R. Meppelink , J. M. Vogels , J. W. Thomsen , P. van der Straten

Non-perturbative electron-positron pair creation (Schwinger effect) is studied based on the equal-time Wigner formalism in 1+1 dimensions. An ab initio calculation of the Schwinger effect in the presence of a simple space- and…

High Energy Physics - Phenomenology · Physics 2011-11-11 Florian Hebenstreit , Reinhard Alkofer , Holger Gies

We have measured the 2-particle correlation function of atoms from a Bose--Einstein condensate participating in a superradiance process, which directly reflects the 2nd order coherence of the emitted light. We compare this correlation…

A phase space formulation of the filtering process upon an incident quantum state is developed. This formulation can explain the results of both quantum interference and delayed-choice experiments without making use of the controversial…

Quantum Physics · Physics 2009-11-10 Daniela Dragoman

Studies of implementation of the simulation of the Bose-Einstein correlation effects in the JETSET particle generator are performed. Analysis of dependance of the one-dimensional correlation function parameters on the presumed boson source…

High Energy Physics - Experiment · Physics 2007-05-23 O. Smirnova , B. Lorstad , R. Muresan

Imaging of sources from data within the intensity interferometry is discussed. In the two-pion case, the relative pion source function may be determined through the Fourier transformation of the correlation function. In the proton-proton…

Nuclear Theory · Physics 2009-10-30 David A. Brown , Pawel Danielewicz

We consider a mesoscopic circuit in the quantum Hall effect regime comprising two synchronized single-particle sources emitting particles into a Mach-Zehnder interferometer. While particles from one source can possibly interfere at the…

Mesoscale and Nanoscale Physics · Physics 2011-10-25 Stefan Juergens , Janine Splettstoesser , Michael Moskalets

In hadronic Z decays, Bose-Einstein correlations in neutral pion pairs are compared to those in identical charged pion pairs. Bose-Einstein correlations are also measured in triplets of identical charged pions, and comparison with those in…

High Energy Physics - Experiment · Physics 2007-05-23 W. J. Metzger

The effect of multi-particle Coulomb final state interactions on higher-order intensity correlations is determined in general, based on a scattering wave function which is solution of the n-body Coulomb Schr\"odinger equation in (a large…

Nuclear Theory · Physics 2011-09-13 E. O. Alt , T. Csorgo , B. Lorstad , J. Schmidt-Sorensen

A method of entanglement production is suggested, based on the resonant generation of topological modes in systems with Bose-Einstein condensates trapped in optical or magnetic lattices. The method makes it possible to regulate the strength…

Other Condensed Matter · Physics 2009-11-13 V. I. Yukalov , E. P. Yukalova

Identical particle correlations at fixed multiplicity are considered by means of quantum canonical ensemble of finite systems. We calculate one-particle momentum spectra and two-particle Bose-Einstein correlation functions in the ideal gas…

Nuclear Theory · Physics 2016-08-24 S. V. Akkelin , Yu. M. Sinyukov

Bose-Einstein Correlations in one and two dimensions have been studied in charged current muon-neutrino interaction events collected with NOMAD. In one dimension the Bose-Einstein effect has been analyzed with the Goldhaber and the Kopylov…

High Energy Physics - Experiment · Physics 2007-05-23 Riccardo Zei

We show that a recently proposed derivation of Bose-Einstein correlations (BEC) by means of thermal Quantum Field Theory, supplemented by operator-field evolution of Langevin type, allows a deeper understanding of a possible coherent…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. A. Kozlov

The effect of Bose-Einstein correlations on multiplicity distributions of identical pions is discussed. It is found that these correlations affect significantly the observed multiplicity distributions, but Einstein's condensation is…

High Energy Physics - Phenomenology · Physics 2009-10-31 Kacper Zalewski

The momentum- and frequency-dependent one-body correlation function of the one-dimensional interacting Bose gas (Lieb-Liniger model) in the repulsive regime is studied using the Algebraic Bethe Ansatz and numerics. We first provide a…

Statistical Mechanics · Physics 2011-02-16 Jean-Sebastien Caux , Pasquale Calabrese , Nikita A. Slavnov

We discuss the Schwinger mechanism in scalar QED and derive the multiplicity distribution of particles created under an external electric field using the LSZ reduction formula. Assuming that the electric field is spatially homogeneous, we…

High Energy Physics - Phenomenology · Physics 2009-11-23 K. Fukushima , F. Gelis , T. Lappi

Bose-Einstein correlations of pions have been calculated in the presence of both statistical and coherent pion production with isotopic spin conservation taken into account.An additional contribution to pion correlation function has been…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. V. Andreev , M. Biyajima