<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:msup><mml:mrow><mml:mi>R</mml:mi></mml:mrow><mml:mrow><mml:mn fontstyle="italic">2</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Corrections to the Jet Quenching Parameter

Zhang, Zi-qiang; Hou, Defu; Wu, Yan; Chen, Gang

doi:10.1155/2016/9503491

Cited by 3 publications

(5 citation statements)

References 16 publications

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“…In the asymptotic future, the geometry goes to AdS Gauss-Bonnet black brane in (18) and r eh (∞) → πT where T is the equilibrium temperature at finite coupling in (20). The entropy is proportional to the area of the event horizon as…”

Section: The Entropy Productionmentioning

confidence: 99%

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Linearized holographic isotropization at finite coupling

2017

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We study holographic isotropization of an anisotropic homogeneous non-Abelian strongly coupled plasma in the presence of Gauss-Bonnet corrections. It was verified before that one can linearize Einstein's equations around the final black hole background and simplify the complicated setup. Using this approach, we study the expectation value of the boundary stress tensor. Although we consider small values of the Gauss-Bonnet coupling constant, it is found that finite coupling leads to significant increasing of the thermalization time. By including higher order corrections in linearization, we extend the results to study the effect of the Gauss-Bonnet coupling on the entropy production on the event horizon.

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Section: The Entropy Productionmentioning

confidence: 99%

“…The effect of these corrections on the different aspects of heavy quarks in the QGP has been studied in [13,14,15,16,17,18,19]. See also related studies in this subject in [20,21,22,23,24].…”

Section: Introductionmentioning

confidence: 99%

Linearized holographic isotropization at finite coupling

2017

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“…where the electric field E is turned on along the x 1 -direction as well. Substituting (46) into (31) and setting the D3-brane at r = r 0 , one has Obviously,…”

Section: Ads Black Hole Backgroundmentioning

confidence: 99%

“…Motivated by this, some quantities have been investigated in conformal field theories dual to gravity with higher derivative corrections. Such as η/s [25][26][27], heavy quark potential [28], imaginary part of potential [29], drag force [30], and jet quenching parameter [31].…”

Section: Introductionmentioning

confidence: 99%

$R^2$ corrections to holographic Schwinger effect

Zhang,

Ma,

Hou

et al. 2017

Preprint

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We study R 2 corrections to the holographic Schwinger effect in an AdS black hole background and a confining D3-brane background, respectively. The potential analysis for these backgrounds is presented. The critical values for the electric field are obtained. It is shown that for both backgrounds increasing the Gauss-Bonnet parameter the Schwinger effect is enhanced. Moreover, the results provide an estimate of how the Schwinger effect changes with the shear viscosity to entropy density ratio, η/s, at strong coupling.

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“…Also, there are other observables or quantities that have been studied in theories with higher derivative corrections, see e.g. [33][34][35][36].…”

Section: Introductionmentioning

confidence: 99%

Higher derivative corrections to the entropic force from holography

2018

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The entropic force has been recently argued to be responsible for dissociation of heavy quarkonia.In this paper, we analyze R 2 corrections and R 4 corrections to the entropic force, respectively. It is shown that for R 2 corrections, increasing λGB (Gauss-Bonnet factor) leads to increasing the entropic force. While for R 4 corrections, increasing λ ('t Hooft coupling) leads to decreasing the entropic force. Also, we discuss how the entropic force changes with the shear viscosity to entropy density ratio, η/s, at strong coupling.

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R2Corrections to the Jet Quenching Parameter

Abstract: A calculation ofR2corrections to the jet quenching parameter from AdS/CFT correspondence is presented. It is shown that these corrections will increase or decrease the jet quenching parameter depending on the coefficients of the high curvature terms.

Cited by 3 publications

References 16 publications

Linearized holographic isotropization at finite coupling

Linearized holographic isotropization at finite coupling

$R^2$ corrections to holographic Schwinger effect

Higher derivative corrections to the entropic force from holography

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