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It is shown how many-body correlations involving the symmetry potential naturally arise in the molecular dynamics CoMD-II model. The effect of these correlations on the collision dynamics at the Fermi energies is discussed. Small level of…

Nuclear Theory · Physics 2009-02-19 M. Papa , G. Giuliani

We investigate the equilibration and thermalization properties of quantum systems interacting with a finite dimensional environment. By exploiting the concept of time averaged states, we introduce a completely positive map which allows to…

Quantum Physics · Physics 2012-11-27 A. Smirne , E. -M. Laine , H. -P. Breuer , J. Piilo , B. Vacchini

The Color Glass Condensate provides a systematic power counting of initial state effects in high energy QCD. We briefly discuss in this framework quark and gluon production in high energy collisions.

High Energy Physics - Phenomenology · Physics 2011-01-25 Francois Gelis , Raju Venugopalan

Motivated by understanding the background to Chiral Magnetic Effect in proton-nucleus collisions from first principles, we compute the three particle correlation in the projectile wave function. We extract the correlations between two…

High Energy Physics - Phenomenology · Physics 2017-11-22 Alex Kovner , Michael Lublinsky , Vladimir Skokov

We study the multiple scattering effects on inclusive particle production in p+A and $\gamma$+A collisions. Specifically, we concentrate on the region where the parton momentum fraction in the nucleus $x\sim {\cal O}(1)$ and incoherent…

High Energy Physics - Phenomenology · Physics 2013-09-17 Zhong-Bo Kang , Ivan Vitev , Hongxi Xing

Sub-nuclear fluctuations in the initial state of heavy-ion collisions impact not only transverse long-range correlations of small systems, but also the creation of longitudinal structures, seen in particle detectors as longitudinal…

Nuclear Theory · Physics 2025-04-02 Oscar Garcia-Montero , Sören Schlichting , Jie Zhu

Flow has emerged as a crucial probe for the properties of the thermalized medium produced in relativistic heavy-ion collisions. The evolution of initial state fluctuations leaves imprints on the power spectrum of flow coefficients.…

Nuclear Theory · Physics 2021-06-29 Shreyansh S. Dave , Saumia P. S. , Ajit M. Srivastava

Relativistic nuclear collisions data on two-particle correlations exhibit structures as function of relative azimuthal angle and rapidity. A unified description of these near-side and away-side structures is proposed for low to moderate…

Nuclear Theory · Physics 2015-05-19 Rone Peterson G. Andrade , Frederique Grassi , Yogiro Hama , Wei-Liang Qian

The description of the initial state of heavy ion collisions, which covers the description of the incoming nuclei, the initial hard and soft interactions, the resulting spatial geometry of the produced matter, as well as the dynamic…

Nuclear Theory · Physics 2020-09-07 Bjoern Schenke

Critical transitions, or large changes in the state of a system after a small change in the system's external conditions or parameters, commonly occur in a wide variety of disciplines, from the biological and social sciences to physics.…

Statistical Mechanics · Physics 2021-10-26 George I. Hagstrom , Simon A. Levin

We discuss the relation between ensemble and time averages for quasistationary states of low-dimensional symplectic maps that present remarkable analogies with similar states detected in many-body long-range-interacting Hamiltonian systems.

Statistical Mechanics · Physics 2009-11-10 Fulvio Baldovin

Color transparency predicts that, in $(e,e'p)$ reactions at large $Q^2$, the final-state interaction becomes weaker than the reference value predicted from the free-nucleon cross section. This reference value is usually evaluated in the…

Nuclear Theory · Physics 2009-10-22 N. N. Nikolaev , A. Szczurek , J. Speth , J. Wambach , B. G. Zakharov , V. R. Zoller

At ultra-relativistic energies the minijet production in heavy-ion collisions becomes sensitive to semi-hard parton rescatterings in the initial stages of the process. As a result global characteristics of the event, like the initial…

High Energy Physics - Phenomenology · Physics 2009-11-07 Alberto Accardi

In high energy heavy ion collisions at RHIC there are important aspects of the medium induced dynamics, that are still not well understood. In particular, there is a broadening and even a double hump structure of the away-side peak…

Understanding the dynamics of open quantum systems is a highly important task for the implementation of emerging quantum technologies. To make the problem tractable theoretically, it is common to neglect initial system-environment…

Quantum Physics · Physics 2019-02-20 Mehwish Majeed , Adam Zaman Chaudhry

We consider the role of the reconstruction of the initial state in the deviation from exponential decay at short and long times. The long time decay can be attributed to a wave that was, in a classical-like, probabilistic sense, fully…

Quantum Physics · Physics 2009-11-11 J. G. Muga , F. Delgado , A. del Campo , G. Garcia-Calderon

Many recent applications of time-dependent density functional theory begin in an initially excited state, and propagate it using an adiabatic approximation for the exchange-correlation potential. This however inserts the excited-state…

Chemical Physics · Physics 2012-04-02 Peter Elliott , Neepa T. Maitra

An effect generated by the nonexponential behavior of the survival amplitude of an unstable state in the long time region is considered. We find that the instantaneous energy of the unstable state for a large class of models of unstable…

High Energy Physics - Phenomenology · Physics 2010-07-13 K. Urbanowski

Experimental observations at the LHC of the collective effects in small systems such as $pp$--scattering suggest introduction of the centrality variable to classify collision events similar to the case of nucleus--nucleus collisions. We…

High Energy Physics - Phenomenology · Physics 2017-12-15 S. M. Troshin , N. E. Tyurin

In this talk we review some of our results for the longitudinal correlations in connection with recent experimental data, in particular for the {\em torque} effect and for the two-particle correlations in pseudorapidity, $C(\eta_1,\eta_2)$.…

Nuclear Theory · Physics 2017-04-26 Wojciech Broniowski , Piotr Bozek