Drag force in SYM plasma with B field from AdS/CFT

Matsuo, Tatsuhiro; Tomino, Dan; Wen, Wen-Yu

doi:10.1088/1126-6708/2006/10/055

Cited by 66 publications

(81 citation statements)

References 35 publications

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“…It was argued [47] that, increasing the viscosity, the screening of the potential due to the thermal medium weakens and so the potential decreases. On the other hand, the presence of the constant electric field tends to weaken the viscosity [12]. Thus, increasing the constant electric field leads to weakening the viscosity or increasing the potential.…”

Section: Effect Of Constant Electric Fieldmentioning

confidence: 99%

Heavy Quark Potential with Hyperscaling Violation

Zhang

Hou

et al. 2017

Advances in High Energy Physics

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We investigate the behavior of the heavy quark potential in the backgrounds with hyperscaling violation. The metrics are covariant under a generalized Lifshitz scaling symmetry with the dynamical Lifshitz parameter and hyperscaling violation exponent . We calculate the potential for a certain range of and and discuss how it changes in the presence of the two parameters. Moreover, we add a constant electric field to the backgrounds and study its effects on the potential. It is shown that the heavy quark potential depends on the nonrelativistic parameters. Also, the presence of the constant electric field tends to increase the potential.

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Section: Effect Of Constant Electric Fieldmentioning

confidence: 99%

Heavy Quark Potential with Hyperscaling Violation

Zhang

Hou

et al. 2017

Advances in High Energy Physics

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“…'radial') coordinate in ref. [51] and heavy quark energy loss and diffusion has by now been investigated in the equilibrium plasmas of many gauge theories with gravitational duals [52][53][54][55][56][57][58][59][60][61][62][63][64][65][66]. In particular, the drag force on a heavy quark in a static plasma with µ = 0 was calculated in refs.…”

Section: Drag Forcementioning

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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“…The constant electric field and the constant magnetic field denoted by B 01 and B 12 respectively. This procedure for the single quark in the N = 4 SYM theory originally studied in [54]. In this configuration the lagrangian density (3) changes to,…”

Section: Effect Of the Constant Electromagnetic Fieldmentioning

confidence: 99%

Jet-Quenching of the Rotating Heavy Meson in a ${\mathcal{N}}=4$ SYM Plasma in Presence of a Constant Electric Field

Sadeghi¹,

Pourhassan²

2011

Int J Theor Phys

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In this paper, we consider a rotating heavy quark-antiquark (qq) pair in a N = 4 SYM thermal plasma. We assume that qq center of mass moves at the speed v and furthermore they rotate around the center of mass. We use the AdS/CFT correspondence and consider the effect of external electromagnetic field on the motion of the rotating meson. Then we calculate the jet-quenching parameter corresponding to the rotating meson in the constant electric field.

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Drag force in SYM plasma with B field from AdS/CFT

Cited by 66 publications

References 35 publications

Heavy Quark Potential with Hyperscaling Violation

Heavy Quark Potential with Hyperscaling Violation

Chiral drag force

Jet-Quenching of the Rotating Heavy Meson in a ${\mathcal{N}}=4$ SYM Plasma in Presence of a Constant Electric Field

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