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Controlling matter to simultaneously support multiple coupled properties is of fundamental and technological importance. For example, the simultaneous presence of magnetic and ferroelectric orders in multiferroic materials leads to enhanced…

Quantum Gases · Physics 2019-01-18 Andrea Morales , Philip Zupancic , Julian Léonard , Tilman Esslinger , Tobias Donner

We investigate in detail a recently introduced "coherent averaging scheme" in terms of its usefulness for achieving Heisenberg limited sensitivity in the measurement of different parameters. In the scheme, $N$ quantum probes in a product…

Quantum Physics · Physics 2023-07-19 Julien M. E. Fraïsse , Daniel Braun

Experimental spectra of the CERN/SPS experiments NA44 and NA49 are fitted while using four different equations of state of nuclear matter within a relativistic hydrodynamic framework. For the freeze-out temperatures, $T_f = 139$ MeV and…

Nuclear Theory · Physics 2007-05-23 B. R. Schlei

One method for determining the characteristic parameters of a hadron production source is to measure the Bose-Einstein correlation functions. In this study, we present fundamental concepts and formulas related to the Bose-Einstein…

High Energy Physics - Phenomenology · Physics 2025-01-22 Hai-Ming Hu , Guang-Shun Huang

In the era of precision measurements in high-energy heavy-ion physics, there is an increasing expectation towards phenomenological and theoretical studies to provide a better description of data. In recent years, multiple experiments have…

Nuclear Experiment · Physics 2026-04-09 Daniel Kincses , Emese Arpasi , Laszlo Kovacs , Marton Nagy , Mate Csanad

The quantum theory of optical coherence is applied to the scrutiny of the statistical properties of the relic inflaton quanta. After adapting the description of the quantized scalar and tensor modes of the geometry to the analysis of…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-01 Massimo Giovannini

We consider recent developments in the theory of the two-photon interferometry in ultrarelativistic heavy ion collisions with emphasis on the difference between photon and hadron interferometry. We review the available experimental results…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Peressounko

We test the consistency of several independent astrophysical measurements of fundamental dimensionless constants. In particular, we compare direct measurements of the fine-structure constant $\alpha$ and the proton-to-electron mass ratio…

Cosmology and Nongalactic Astrophysics · Physics 2014-05-05 M. C. Ferreira , O. Frigola , C. J. A. P. Martins , A. M. R. V. L. Monteiro , J. Solà

We propose a principled Bayesian method for quantifying tension between correlated datasets with wide uninformative parameter priors. This is achieved by extending the Suspiciousness statistic, which is insensitive to priors. Our method…

Cosmology and Nongalactic Astrophysics · Physics 2020-07-08 Pablo Lemos , Fabian Köhlinger , Will Handley , Benjamin Joachimi , Lorne Whiteway , Ofer Lahav

In quantum interferometry, it is vital to control and utilize nonlinear interactions for achieving high-precision measurements. Attribute to their long coherent time and high controllability, ultracold atoms including Bose condensed atoms…

Quantum Gases · Physics 2012-02-06 Chaohong Lee , Jiahao Huang , Haiming Deng , Hui Dai , Jun Xu

We investigate possible effects of correlations between stopped nucleons on higher order proton cumulants at low energy heavy-ion collisions. We find that fluctuations of the number of wounded nucleons $N_{\mathrm{part}}$ lead to rather…

Nuclear Theory · Physics 2017-05-24 Adam Bzdak , Volker Koch , Vladimir Skokov

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…

High Energy Physics - Phenomenology · Physics 2009-10-30 T. Csorgo

We study the influence of a possible coherent component in the boson source on the two-, three- and $n$-particle correlation functions in a generalized core/halo type of boson-emitting source. In particular, a simple formula is presented…

High Energy Physics - Phenomenology · Physics 2009-02-10 T. Csorgo , B. Lorstad , J. Schmidt-Sorensen , A. Ster

Analogues of the frequentist chi-square and F tests are proposed for testing goodness-of-fit and consistency for Bayesian models. Simple examples exhibit these tests' detection of inconsistency between consecutive experiments with identical…

Instrumentation and Methods for Astrophysics · Physics 2016-03-16 L. B. Lucy

The model of continuous spontaneous localization (CSL) is the most prominent consistent modification of quantum mechanics predicting an objective quantum-to-classical transition. Here we show that precision interferometry with Bose-Einstein…

We obtain Stein approximation bounds for stochastic integrals with respect to a Poisson random measure over ${\Bbb R}^d$, $d\geq 2$. This approach relies on third cumulant Edgeworth-type expansions based on derivation operators defined by…

Probability · Mathematics 2018-06-04 Nicolas Privault

We present an elementary model of the collapses and revivals in the visibility of the interference between two atomic Bose-Einstein condensates. We obtain different predictions of the revival times whether we conserve or break atom number…

Statistical Mechanics · Physics 2008-02-03 T. Wong , M. J. Collett , S. M. Tan , D. F. Walls , E. M. Wright

Measurements of single electron tunneling through a quantum dot using a quantum point contact as charge detector have been performed for very long time traces with very large event counts. This large statistical basis is used for a detailed…

Mesoscale and Nanoscale Physics · Physics 2010-06-04 Christian Fricke , Frank Hohls , Nandhavel Sethubalasubramanian , Lukas Fricke , Rolf J. Haug

We study how matter-wave interferometry with Bose-Einstein condensates is affected by hypothetical collapse models and by environmental decoherence processes. Motivated by recent atom fountain experiments with macroscopic arm separations,…

Quantum Physics · Physics 2017-09-19 Björn Schrinski , Klaus Hornberger , Stefan Nimmrichter

The availability of Bose-Einstein condensates as mesoscopic or macroscopic quantum objects has aroused new interest in the possiblity of making and detecting coherent superpositions involving many atoms. In this article we show that it may…

Quantum Physics · Physics 2015-05-13 T. J. Haigh , A. J. Ferris , M. K. Olsen