Beam-Energy Dependence of Charge Separation along the Magnetic Field in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Au</mml:mi><mml:mo>+</mml:mo><mml:mi>Au</mml:mi></mml:mrow></mml:math>Collisions at RHIC

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doi:10.1103/physrevlett.113.052302

Cited by 178 publications

(99 citation statements)

References 63 publications

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“…Recent measurements [79] indicate that the observables that are sensitive to the chiral magnetic effect that were seen previously in high energy heavy ion collisions [80][81][82][83] persist robustly down to collision energies corresponding to baryon chemical potentials µ B > 0.3 GeV, meaning µ V > 0.1 GeV.…”

Section: Jhep10(2015)018mentioning

confidence: 99%

Chiral drag force

Rajagopal

Sadofyev

2015

J. High Energ. Phys.

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Abstract:We provide a holographic evaluation of novel contributions to the drag force acting on a heavy quark moving through strongly interacting plasma. The new contributions are chiral in the sense that they act in opposite directions in plasmas containing an excess of left-or right-handed quarks. The new contributions are proportional to the coefficient of the axial anomaly, and in this sense also are chiral. These new contributions to the drag force act either parallel to or antiparallel to an external magnetic field or to the vorticity of the fluid plasma. In all these respects, these contributions to the drag force felt by a heavy quark are analogous to the chiral magnetic effect (CME) on light quarks. However, the new contribution to the drag force is independent of the electric charge of the heavy quark and is the same for heavy quarks and antiquarks, meaning that these novel effects do not in fact contribute to the CME current. We show that although the chiral drag force can be non-vanishing for heavy quarks that are at rest in the local fluid rest frame, it does vanish for heavy quarks that are at rest in a suitably chosen frame. In this frame, the heavy quark at rest sees counterpropagating momentum and charge currents, both proportional to the axial anomaly coefficient, but feels no drag force. This provides strong concrete evidence for the absence of dissipation in chiral transport, something that has been predicted previously via consideration of symmetries. Along the way to our principal results, we provide a general calculation of the corrections to the drag force due to the presence of gradients in the flowing fluid in the presence of a nonzero chemical potential. We close with a consequence of our result that is at least in principle observable in heavy ion collisions, namely an anticorrelation between the direction of the CME current for light quarks in a given event and the direction of the kick given to the momentum of all the heavy quarks and antiquarks in that event.

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Section: Jhep10(2015)018mentioning

confidence: 99%

Chiral drag force

Rajagopal

Sadofyev

2015

J. High Energ. Phys.

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“…theoretically studied and proposed to be a signal of the transient existence of liberated quarks [12,13,18].…”

Section: Jhep06(2015)094mentioning

confidence: 99%

Two-color QCD with non-zero chiral chemical potential

Брагута

Goy

Ilgenfritz

et al. 2015

J. High Energ. Phys.

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The phase diagram of two-color QCD with non-zero chiral chemical potential is studied by means of lattice simulation. We focus on the influence of a chiral chemical potential on the confinement/deconfinement phase transition and the breaking/restoration of chiral symmetry. The simulation is carried out with dynamical staggered fermions without rooting. The dependences of the Polyakov loop, the chiral condensate and the corresponding susceptibilities on the chiral chemical potential and the temperature are presented. The critical temperature is observed to increase with increasing chiral chemical potential.

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“…Several manifestations of the phenomena related to strong magnetic fields produced in Au + Au or Pb + Pb collisions have been reported by RHIC [152][153][154] and the LHC [155] experiments. Some doubts on the prevailing interpretation were cast by the recent observation of charge-dependent azimuthal correlations also in p + Pb collisions at the LHC [156].…”

Section: Quark-gluon Plasma In a Strong Magnetic Fieldmentioning

confidence: 92%

Phenomenological Review on Quark–Gluon Plasma: Concepts vs. Observations

2017

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Abstract:In this review, we present an up-to-date phenomenological summary of research developments in the physics of the Quark-Gluon Plasma (QGP). A short historical perspective and theoretical motivation for this rapidly developing field of contemporary particle physics is provided. In addition, we introduce and discuss the role of the quantum chromodynamics (QCD) ground state, non-perturbative and lattice QCD results on the QGP properties, as well as the transport models used to make a connection between theory and experiment. The experimental part presents the selected results on bulk observables, hard and penetrating probes obtained in the ultra-relativistic heavy-ion experiments carried out at the Brookhaven National Laboratory Relativistic Heavy Ion Collider (BNL RHIC) and CERN Super Proton Synchrotron (SPS) and Large Hadron Collider (LHC) accelerators. We also give a brief overview of new developments related to the ongoing searches of the QCD critical point and to the collectivity in small (p + p and p + A) systems.

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Beam-Energy Dependence of Charge Separation along the Magnetic Field inAu+AuCollisions at RHIC

Cited by 178 publications

References 63 publications

Chiral drag force

Chiral drag force

Two-color QCD with non-zero chiral chemical potential

Phenomenological Review on Quark–Gluon Plasma: Concepts vs. Observations

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