Holographic operator mixing and quasinormal modes on the brane

Kaminski, Matthias; Landsteiner, Karl; Mas, Javier; Shock, Jonathan P.; Tarrío, Javier

doi:10.1007/jhep02(2010)021

Cited by 143 publications

(229 citation statements)

References 52 publications

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“…By introducing master variable, however, we can decouple these modes which makes the problem simpler. The problem might be handled without decoupling along the method discussed in [23].…”

Section: Resultsmentioning

confidence: 99%

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Photoemission rate of strongly interacting quark-gluon plasma at finite density

Sin

2011

Phys. Rev. D

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Abstract:We calculate the thermal spectral function of SYM plasma with finite density using holographic technique. The gravity dual of the finite temperature and density is taken as the RN-AdS black hole. In the presence of charge, linearized vector modes of gravitational and electromagnetic perturbation are coupled with each other. By introducing master variables for these modes, we solve the coupled system and calculate spectral function. We also calculate photo-emission rate of our gauge theory plasma from spectral function for light like momentum. AC, dc conductivity and their density dependence is also computed.

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“…By introducing master variable, however, we can decouple these modes which makes the problem simpler. The problem might be handled without decoupling along the method discussed in [23].…”

Section: Resultsmentioning

confidence: 99%

“…The spectral function with and without baryon density in the probe brane approach was already calculated [16,17,18,19,21,22,23]. However in that approach the gravity back reaction to the presence of the charge is neglected.…”

Section: Introductionmentioning

confidence: 99%

Photoemission rate of strongly interacting quark-gluon plasma at finite density

Sin

2011

Phys. Rev. D

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“…Recently a framework for calculating holographic Green's functions from general bilinear actions and fields obeying coupled differential equations in the bulk was proposed in [46,47]. Then it would be interesting to classify the vector and scalar fluctuations and calculate the Green's functions for our system by employing their method.…”

Section: Summary and Discussionmentioning

confidence: 99%

Notes on properties of holographic strange metals

Lee

Pang

2010

Phys. Rev. D

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We investigate properties of holographic strange metals in p + 2-dimensions, generalizing the analysis performed in arXiv:0912.1061. The bulk spacetime is p + 2-dimensional Lifshitz black hole, while the role of charge carriers is played by probe D-branes. We mainly focus on massless charge carriers, where most of the results can be obtained analytically. We obtain exact results for the free energy and calculate the entropy density, the heat capacity as well as the speed of sound at low temperature. We obtain the DC conductivity and DC Hall conductivity and find that the DC conductivity takes a universal form in the large density limit, while the Hall conductivity is also universal in all dimensions. We also study the resistivity in different limits and clarify the condition for the linear dependence on the temperature, which is a key feature of strange metals. We show that our results for the DC conductivity are consistent with those obtained via Kubo formula and we obtain the charge diffusion constant analytically. The corresponding properties of massive charge carriers are also discussed in brief.

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“…24 We thank the referee for suggesting us this precise comparison and formulae. 25 For a recent discussion on the Wiedemann-Franz law in strongly correlated systems see [32].…”

Section: Beyond the Hydrodynamic Regimementioning

confidence: 99%

Thermo-electric transport in gauge/gravity models with momentum dissipation

Amoretti

Braggio

Maggiore

et al. 2014

J. High Energ. Phys.

102

107

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We present a systematic definition and analysis of the thermo-electric linear response in gauge/gravity systems focusing especially on models with massive gravity in the bulk and therefore momentum dissipation in the dual field theory. A precise treatment of finite counter-terms proves to be essential to yield a consistent physical picture whose hydrodynamic and beyond-hydrodynamics behaviors noticeably match with field theoretical expectations. The model furnishes a possible gauge/gravity description of the crossover from the quantum-critical to the disorder-dominated Fermi-liquid behaviors, as expected in graphene.

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Holographic operator mixing and quasinormal modes on the brane

Cited by 143 publications

References 52 publications

Photoemission rate of strongly interacting quark-gluon plasma at finite density

Photoemission rate of strongly interacting quark-gluon plasma at finite density

Notes on properties of holographic strange metals

Thermo-electric transport in gauge/gravity models with momentum dissipation

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