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Related papers: Quasinormal modes of a semi-holographic black bran…

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Ultracold quasineutral plasmas generated in the laboratory are generically inhomogeneous and ex- hibit small charge imbalances. As will be demonstrated, via a hydrodynamic theory as well as microscopic simulations, the latter lead to…

Plasma Physics · Physics 2010-12-13 Andrei Lyubonko , Thomas Pohl , Jan-Michael Rost

We investigate the analytic structure of thermal energy-momentum tensor correlators at large but finite coupling in quantum field theories with gravity duals. We compute corrections to the quasinormal spectra of black branes due to the…

High Energy Physics - Theory · Physics 2016-10-18 Sašo Grozdanov , Nikolaos Kaplis , Andrei O. Starinets

We study the semi-holographic idea in context of decaying dark components. The energy flow between dark energy and the compensating dark matter is thermodynamically generalized to involve a particle number variable dark component with…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Hui Li , Hongsheng Zhang , Yi Zhang

We study the quasinormal modes and thermal radiation of massless spin-0 field perturbations in the background of four-dimensional (4D) non-Abelian charged Lifshitz black branes with $z=2$ hyperscaling violation, which correspond to systems…

High Energy Physics - Theory · Physics 2020-03-31 Huriye Gürsel , İzzet Sakallı

In holography, quasinormal spectra of black branes coincide with the poles of retarded finite-temperature correlation functions of a dual quantum field theory in the limit of infinite number of relevant degrees of freedom such as colours.…

High Energy Physics - Theory · Physics 2019-04-12 Sašo Grozdanov , Andrei O. Starinets

We study the shear momentum diffusion and related modes of a strongly coupled $(2+1)$-dimensional conformal field theory at finite temperature and chemical potential, using a dual holographic description. We consider a space-time filling…

High Energy Physics - Theory · Physics 2018-07-31 Nikola I. Gushterov

We propose a generalized thermodynamics in which quasi-homogeneity of the thermodynamic potentials plays a fundamental role. This thermodynamic formalism arises from a generalization of the approach presented in paper [1], and it is based…

General Relativity and Quantum Cosmology · Physics 2015-06-25 F. Belgiorno

We investigate the behaviour of various correlators in N=4 super Yang Mills theory, taking finite coupling corrections into account. In the thermal limit we investigate the flow of the quasinormal modes as a function of the 't Hooft…

High Energy Physics - Theory · Physics 2014-03-12 Stefan Stricker

We study a simple example of holographic thermalization in a confining field theory: the homogeneous injection of energy in the hard wall model. Working in an amplitude expansion, we find black brane formation for sufficiently fast energy…

High Energy Physics - Theory · Physics 2015-06-18 Ben Craps , Elias Kiritsis , Christopher Rosen , Anastasios Taliotis , Joris Vanhoof , Hongbao Zhang

Horizons of black branes have an associated entropy current with non-negative divergence. We compute this divergence in a late-time transseries expansion for an inhomogeneous system evolving towards a maximally symmetric asymptotically…

High Energy Physics - Theory · Physics 2020-07-01 Aron Jansen , Ben Meiring

We study the low-energy dynamics of systems with exact and approximate higher-form symmetries using gauge/gravity duality. These symmetries are realised holographically via Maxwell-type theories for massless and massive $p$-forms in AlAdS…

High Energy Physics - Theory · Physics 2025-10-09 André Oliveira Pinheiro

The merger of binary black holes produces a series of decaying oscillations, during which energy is radiated in gravitational waves. The characteristic signal in the ringdown phase can be described by complex oscillation frequencies called…

General Relativity and Quantum Cosmology · Physics 2024-10-10 Yanqiang Liu , Benrong Mu , Jun Tao , Yuling Weng

We use holography to investigate the process of homogeneous isotropization and thermalization in a strongly coupled $\mathcal{N} = 4$ Super Yang-Mills plasma charged under a $U(1)$ subgroup of the global $SU(4)$ R-symmetry which features a…

High Energy Physics - Theory · Physics 2025-06-13 Renato Critelli , Romulo Rougemont , Jorge Noronha

We find quasinormal modes of near extremal black branes by solving a singular boundary value problem for the Heun equation. The corresponding eigenvalues determine the dispersion law for the collective excitations in the dual strongly…

High Energy Physics - Theory · Physics 2009-11-07 Andrei O. Starinets

We investigate second-order gravitational perturbations in asymptotically AdS black branes, developing a gauge-invariant framework to compute the amplitude ratio between quadratic and linear quasi-normal modes. Our analysis reveals resonant…

General Relativity and Quantum Cosmology · Physics 2025-09-23 Wen-Bin Pan , Zhangping Yu , Yi Ling

Fluctuations around critical behavior of a holographic charged plasmas are investigated by studying quasi-normal modes of the corresponding black branes in 5D Einstein-Maxwell-Dilaton gravity. The near horizon geometry of black branes…

High Energy Physics - Theory · Physics 2022-06-22 Umut Gursoy , Matti Järvinen , Giuseppe Policastro , Natale Zinnato

The holographic dual of a finite-temperature gauge theory with a small number of flavours typically contains D-brane probes in a black hole background. At low temperature the branes sit outside the black hole and the meson spectrum is…

High Energy Physics - Theory · Physics 2008-11-26 David Mateos , Robert C. Myers , Rowan M. Thomson

We study the electric and heat current response resulting from an electric field quench in a holographic model of momentum relaxation at nonzero charge density. After turning the electric field off, currents return to equilibrium as…

High Energy Physics - Theory · Physics 2016-10-11 Benjamin Withers

We study the dynamics of spontaneous translation symmetry breaking in holographic models in presence of weak explicit sources. We show that, unlike conventional gapped quantum charge density wave systems, this dynamics is well characterized…

High Energy Physics - Theory · Physics 2021-04-06 Tomas Andrade , Matteo Baggioli , Alexander Krikun

Quasinormal frequencies of electromagnetic and gravitational perturbations in asymptotically AdS spacetime can be identified with poles of the corresponding real-time Green's functions in a holographically dual finite temperature field…

High Energy Physics - Theory · Physics 2009-07-09 Pavel K. Kovtun , Andrei O. Starinets