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The contribution presents a brief summary of the Gauge/Gravity approach to the study of hydrodynamic flow of the quark-gluon plasma formed in heavy-ion collisions, in a boost-invariant setting (Bjorken flow). Considering the ideal case of a…

High Energy Physics - Phenomenology · Physics 2014-11-20 R. A. Janik , Robi Peschanski

The imaginary part of the inter-quarks potential of moving heavy quarkonia is investigated in a dual supergravity of the AdS background deformed by dilaton, which induces the gauge field condensate in the dual gauge theory. We analyze the…

High Energy Physics - Theory · Physics 2017-10-19 Zi-qiang Zhang , De-fu Hou , Gang Chen

We consider thermal plasmas in a large class of superconformal gauge theories described by a holographic dual geometry of the form $AdS_5\times M_5$. In particular, we demonstrate that all of the thermodynamic properties and hydrodynamic…

High Energy Physics - Theory · Physics 2008-11-26 Alex Buchel , Robert C. Myers , Miguel F. Paulos , Aninda Sinha

The formation and evolution of cosmic string wakes in the framework of a scalar-tensor gravity are investigated in this work. We consider a simple model in which cold dark matter flows past an ordinary string and we treat this motion in the…

General Relativity and Quantum Cosmology · Physics 2009-10-31 S. R. M. Masalskiene , M. E. X. Guimaraes

We study exclusive scattering of `hadrons' at high energy and fixed angle in (nonconformal) noncommutative gauge theories. Via gauge-string duality, we show that the noncommutativity renders the scattering soft, leading to exponential…

High Energy Physics - Theory · Physics 2010-04-05 Soo-Jong Rey , Jung-Tay Yee

In-medium effects for distributions of quarks and gluons in central A+A collisions are considered. We suggest a duality principle, which means similarity of thermal spectra of hadrons produced in heavy-ion collisions and inclusive spectra…

Nuclear Theory · Physics 2009-05-18 G. I. Lykasov , A. N. Sissakian , A. S. Sorin , O. V. Teryaev

The Bridge Theory that is based on the role that the transversal component of the Pointing vector has in the localisation in the neighbourhood of a dipole of an amount of energy and momentum equal to ones of a photon of same frequency, if…

General Physics · Physics 2012-01-24 Massimo Auci

We study the effects of superfluid dark matter on the structure of a cosmic string wake, considering both the effects of regular and quantum pressure terms. We consider the total fluid to consist of a combination of baryons and dark matter.…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-28 Aline Favero , Robert Brandenberger

We study the properties of heavy quarks as probes of strongly coupled plasmas with and without chemical potential by means of the gauge/gravity (AdS/CFT) duality. We compute the screening distance of a heavy quark-antiquark pair, its free…

High Energy Physics - Theory · Physics 2015-11-13 Carlo Ewerz , Ling Lin , Andreas Samberg , Konrad Schade

We use holographic duality to analyze the drag force on, and consequent energy loss of, a heavy quark moving through a strongly coupled conformal fluid with non-vanishing gradients in its velocity and temperature. We derive the general…

High Energy Physics - Theory · Physics 2015-06-18 Mindaugas Lekaveckas , Krishna Rajagopal

Gauge/gravity duality has proved to be a very successful tool for describing strongly coupled systems in particle physics and heavy ion physics. The application of the gauge/gravity duality to quantum matter is a promising candidate to…

High Energy Physics - Theory · Physics 2012-10-09 Johanna Erdmenger , Patrick Kerner , Steffen Muller

Over the last decade, both experimental and theoretical advances have brought the need for strong coupling techniques in the analysis of deconfined QCD matter and heavy ion collisions to the forefront. As a consequence, a fruitful interplay…

High Energy Physics - Theory · Physics 2012-08-09 Jorge Casalderrey-Solana , Hong Liu , David Mateos , Krishna Rajagopal , Urs Achim Wiedemann

We study the energy loss of a heavy quark slowly moving through an evolving strongly coupled plasma. We use the linearized fluid/gravity correspondence to describe small perturbations of the medium flow with general spacetime dependence.…

High Energy Physics - Theory · Physics 2020-07-27 Jared Reiten , Andrey V. Sadofyev

Recent experimental results in proton-proton and in proton-nucleus collisions at Large Hadron Collider energies show a strong similarity to those observed in nucleus-nucleus collisions, where the formation of a quark-gluon plasma is…

High Energy Physics - Phenomenology · Physics 2020-05-20 Paolo Castorina , Alfredo Iorio , Daniele Lanteri , Martin Spousta , Helmut Satz

We employ methods of gauge/string duality to analyze the drag force on a heavy quark moving through a strongly coupled, anisotropic \mathcal{N}=4, SU(N) super Yang- Mills plasma in the presence of a finite U(1) chemical potential. We…

High Energy Physics - Theory · Physics 2015-02-02 Somdeb Chakraborty , Najmul Haque

We study electric dipole effects for massive Dirac fermions in graphene and related materials. The dipole potential accomodates towers of infinitely many bound states exhibiting a universal Efimov-like scaling hierarchy. The dipole moment…

Mesoscale and Nanoscale Physics · Physics 2014-05-13 A. De Martino , D. Kloepfer , D. Matrasulov , R. Egger

We show that in asymmetric heavy-ion collisions, especially off-central Cu+Au collisions, a sizable strength of electric field directed from Au nucleus to Cu nucleus is generated in the overlapping region, because of the difference in the…

Nuclear Theory · Physics 2014-12-09 Yuji Hirono , Masaru Hongo , Tetsufumi Hirano

The effective field theory of the Calogero-Sutherland model represents a universality class of quantum hydrodynamic fluids in one spatial dimension. It describes quantum compressible fluids involving both chiralities in which the chiral…

High Energy Physics - Theory · Physics 2025-01-31 Federico L. Bottesi , Guillermo R. Zemba

The interaction of matter with gravity in two dimensional spacetimes can be supplemented with a geometrical force analogous to a Lorentz force produced on a surface by a constant perpendicular magnetic field. In the special case of constant…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Daniel Cangemi

Diagonal or chevron patterns are known to spontaneously emerge at the intersection of two perpendicular flows of self-propelled particles, e.g. pedestrians. The instability responsible for this pattern formation has been studied in previous…

Statistical Mechanics · Physics 2015-06-15 Julien Cividini , Cecile Appert-Rolland