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The cumulants of baryon number fluctuations serve as a good probe for experimentally exploring the QCD phase diagram at finite density, giving rise to characteristic fluctuation patterns associated with a possible critical endpoint (CEP).…

高能物理 - 唯象学 · 物理学 2023-08-17 Zhibin Li , Jingmin Liang , Song He , Li Li

Heavy-ion collisions at the LHC provide the conditions to investigate regions of quark-gluon plasma that reach higher temperatures and that persist for longer periods of time compared to collisions at the Relativistic Heavy Ion Collider.…

核理论 · 物理学 2021-08-04 Scott Pratt , Christopher Plumberg

We consider a holographic model constructed from an intersecting brane configuration $D4/D4/\bar{D4}$ in noncritical string theory. We study the baryon in the confined phase of this supergravity by considering the source term for the…

高能物理 - 理论 · 物理学 2015-05-28 M. R. Pahlavani , J. Sadeghi , R. Morad

We study the condensation of a charged scalar field in a $(3+1)$-dimensional asymptotically AdS background in the context of Einsteinian cubic gravity, featuring a holographic superconductor with higher curvature corrections corresponding…

高能物理 - 理论 · 物理学 2022-06-14 José D. Edelstein , Nicolás Grandi , Alberto Rivadulla Sánchez

The energy densities achieved during central collisions of large nuclei at Brookhaven's AGS may be high enough to allow the formation of quark--gluon plasma. Calculations based on relativistic nucleation theory suggest that rare events,…

核理论 · 物理学 2009-09-25 J. I. Kapusta , R. Venugopalan , A. P. Vischer

One of the most exciting things in recent theoretical physics is the suspicion that gravity may be holographic, dual to some sort of quantum field theory living on the boundary with one less dimension. Such a suspicion has been supported…

高能物理 - 理论 · 物理学 2013-05-24 Yu Tian , Xiao-Ning Wu , Hongbao Zhang

Baryonic matter is notoriously difficult to deal with in the large-N limit, as baryons become operators of very large dimension with N fields in the fundamental representation. This issue is also present in gauge/gravity duals as baryons…

高能物理 - 理论 · 物理学 2017-03-08 Carlos Hoyos , Georgios Itsios , Orestis Vasilakis

Using the kinetic theory we discuss how the particle and energy densities of the quark-gluon plasma fluctuate in a space-time cell. The fluctuations in the equilibrium plasma and in that one from the early stage of ultrarelativistic…

核理论 · 物理学 2008-11-26 Stanislaw Mrowczynski

Strongly correlated quantum fluids are phases of matter that are intrinsically quantum mechanical, and that do not have a simple description in terms of weakly interacting quasi-particles. Two systems that have recently attracted a great…

高能物理 - 理论 · 物理学 2015-03-20 Allan Adams , Lincoln D. Carr , Thomas Schaefer , Peter Steinberg , John E. Thomas

Collisions between heavy atomic nuclei at ultra-relativistic energies are carried out at particle colliders to produce the quark-gluon plasma, a state of matter where quarks and gluons are not confined into hadrons, and colour degrees of…

We investigate the implications of a nonzero bulk viscosity coefficient on the azimuthal momentum anisotropy of ultracentral relativistic heavy ion collisions at the Large Hadron Collider. We find that, with IP-Glasma initial conditions, a…

核理论 · 物理学 2015-06-22 J. -B. Rose , J. -F. Paquet , G. S. Denicol , M. Luzum , B. Schenke , S. Jeon , C. Gale

We investigate possible finite-volume effects on baryon number susceptibilities of strongly interacting matter. Assuming that a hadronic and a deconfined phase both contribute to the thermodynamic state of a finite system due to…

核理论 · 物理学 2019-01-04 Christian Spieles , Marcus Bleicher , Carsten Greiner

Relativistic heavy ion collisions have reached energies that enable the creation of a novel state of matter termed the quark-gluon plasma. Many observables point to a picture of the medium as rapidly equilibrating and expanding as a nearly…

核理论 · 物理学 2011-07-19 James L. Nagle , Ian G. Bearden , William A. Zajc

In the framework of our model of soft interactions at high energy based on CGC/saturation approach,we show that Bose-Einstein correlations of identical gluons lead to large values of $v_n$. We demonstrate how three dimensional scales of…

高能物理 - 唯象学 · 物理学 2016-11-23 E. Gotsman , E. Levin , U. Maor

Brief review of the hadronic probes that are used to diagnose the quark-gluon plasma produced in relativistic heavy ion collisions and interrogate its properties. Emphasis is placed on probes that have significantly impacted our…

核理论 · 物理学 2022-01-11 Berndt Müller

We determine the drag and the momentum diffusion coefficients of heavy fermion in dense plasma. It is seen that in degenerate matter drag coefficient at the leading order mediated by transverse photon is proportional to $(E-\mu)^2$ while…

高能物理 - 唯象学 · 物理学 2014-11-21 Sreemoyee Sarkar , Abhee K. Dutt-Mazumder

We show that in asymmetric heavy-ion collisions, especially off-central Cu+Au collisions, a sizable strength of electric field directed from Au nucleus to Cu nucleus is generated in the overlapping region, because of the difference in the…

核理论 · 物理学 2014-12-09 Yuji Hirono , Masaru Hongo , Tetsufumi Hirano

The quark-gluon plasma produced by collisions between ultra-relativistic heavy nuclei is well described in the language of hydrodynamics. Non-central collisions are characterized by very large angular momentum, which in a fluid system…

核实验 · 物理学 2020-03-10 Francesco Becattini , Michael Lisa

The chemical equilibration of a highly unsaturated quark-gluon plasma has been studied at finite baryon density. It is found that in the presence of small amount of baryon density, the chemical equilibration for gluon becomes slower and the…

高能物理 - 唯象学 · 物理学 2009-10-31 D. Dutta , K. Kumar , A. K. Mohanty , R. K. Choudhury

We discuss predictions for the pion and kaon interferometry measurements in relativistic heavy ion collisions at SPS and RHIC energies. In particular, we confront relativistic transport model calculations that include explicitly a…

高能物理 - 唯象学 · 物理学 2007-05-23 Sven Soff