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Using holography, we analyse deep inelastic scattering of a flavor current from a strongly coupled quark-gluon plasma with a background magnetic field. The aim is to show how the magnetic field affects the partonic picture of the plasma.…

High Energy Physics - Theory · Physics 2018-03-12 Majid Dehghani

By using the AdS/CFT correspondence we study the deep inelastic scattering of an R-current off a N=4 supersymmetric Yang-Mills (SYM) plasma at finite temperature and strong coupling. Within the supergravity approximation valid when the…

High Energy Physics - Theory · Physics 2008-11-26 Y. Hatta , E. Iancu , A. H. Mueller

We present the string dual to finite temperature SU(Nc) N=4 SYM coupled to massless fundamental matter introduced by Nf D7 branes, with Abelian flavor symmetry. The analytic solution includes the backreaction of the flavors up to second…

High Energy Physics - Theory · Physics 2009-12-04 Francesco Bigazzi , Aldo L. Cotrone , Javier Mas , Angel Paredes , Alfonso V. Ramallo , Javier Tarrio

We use the holographic dual of a finite-temperature, strongly-coupled, gauge theory with a small number of flavors of massive fundamental quarks to study meson excitations and deep inelastic scattering (DIS) in the low-temperature phase,…

High Energy Physics - Theory · Physics 2014-11-20 E. Iancu , A. H. Mueller

Gauge theory with light flavor quark is studied by embedding a D7 brane in a deconfinement phase background newly constructed. We find a phase transition by observing a jump of the vacuum expectation value of quark bilinear and also of the…

High Energy Physics - Theory · Physics 2016-09-06 Kazuo Ghoroku , Tomohiko Sakaguchi , Nobuhiro Uekusa , Masanobu Yahiro

We calculate deep inelastic structure functions for mesons in the D3-D7 brane model, that incorporates flavour to the AdS/CFT correspondence. We consider two different prescriptions for the hadronic current dual: a gauge field in the AdS…

High Energy Physics - Theory · Physics 2009-02-09 C. A. Ballon Bayona , Henrique Boschi-Filho , Nelson R. F. Braga

We study the holographic dual model of quenched flavors immersed in a quark-gluon plasma with massless dynamical quarks in the Veneziano limit. This is modeled by embedding a probe D7 brane in a background where the backreaction of massless…

High Energy Physics - Theory · Physics 2015-06-05 A. Magaña , J. Mas , L. Mazzanti , J. Tarrio

We present the string dual to SU(Nc) N=4 SYM, coupled to Nf massless fundamental flavors, at finite temperature and baryon density. The solution is determined by two dimensionless parameters, both depending on the 't Hooft coupling…

High Energy Physics - Theory · Physics 2011-04-20 Francesco Bigazzi , Aldo L. Cotrone , Javier Mas , Daniel Mayerson , Javier Tarrio

We study finite temperature N=4 Super Yang-Mills (and more general gauge theories realized on intersecting D3-D7 branes) in the presence of dynamical massless fundamental matter fields at finite baryon charge density. We construct the…

High Energy Physics - Theory · Physics 2015-06-15 Francesco Bigazzi , Aldo L. Cotrone , Javier Tarrio

We study the effects of the temperature and of a magnetic field in the setup of an intersection of D3/D7 branes, where a large number of D7 branes is smeared in the transverse directions to allow for a perturbative solution in a…

High Energy Physics - Theory · Physics 2015-06-05 Martin Ammon , Veselin G. Filev , Javier Tarrio , Dimitrios Zoakos

We analyze the charge diffusion and conductivity in a Dp/Dq holographic setup that is dual to a supersymmetric Yang-Mills theory in p+1 dimensions with N_f<< N_c flavour degrees of freedom at finite temperature and nonvanishing U(1) baryon…

High Energy Physics - Theory · Physics 2009-04-24 Javier Mas , Jonathan P. Shock , Javier Tarrio

Heavy-flavor particles are excellent probes of the properties of the hot and dense nuclear medium created in the relativistic heavy-ion collisions. Heavy-flavor transport coefficients in the quark-gluon plasma (QGP) stage of the collisions…

Nuclear Theory · Physics 2020-01-10 Weiyao Ke

The holographic dual of large-Nc super-Yang-Mills coupled to a small number of flavours of fundamental matter, Nf << Nc, is described by Nf probe D7-branes in the gravitational background of Nc black D3-branes. This system undergoes a first…

High Energy Physics - Theory · Physics 2009-03-20 Robert C. Myers , Andrei O. Starinets , Rowan M. Thomson

Within the framework of the AdS/CFT correspondence, we study the time evolution of an energetic R-current propagating through a finite temperature, strongly coupled, N=4 SYM plasma and propose a physical picture for our results. In this…

High Energy Physics - Theory · Physics 2009-12-10 Y. Hatta , E. Iancu , A. H. Mueller

We give a pedagogical review of recent progress towards understanding the response of a strongly coupled plasma at finite temperature to a hard probe. The plasma is that of the N=4 supersymmetric Yang-Mills theory and the hard probe is a…

High Energy Physics - Phenomenology · Physics 2010-04-21 Edmond Iancu

We propose a novel quasiparticle interpretation of the equation of state of deconfined QCD at finite temperature. Using appropriate thermal masses, we introduce a phenomenological parametrization of the onset of confinement in the vicinity…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. A. Schneider , T. Renk , W. Weise

Yang-Mills theory with flavor quarks in the dS${}_4$ is studied through the dual supergravity in the AdS${}_5\times S^5$ background with non-trivial dilaton and axion. The flavor quarks are introduced by embedding a probe D7 brane. We find…

High Energy Physics - Theory · Physics 2008-11-26 Kazuo Ghoroku , Masafumi Ishihara , Akihiro Nakamura

In this letter we study topological open string field theory on D--branes in a IIB background given by non compact CY geometries ${\cal O}(n)\oplus{\cal O}(-2-n)$ on $\P1$ with a singular point at which an extra fiber sits. We wrap $N$…

High Energy Physics - Theory · Physics 2008-11-26 G. Bonelli , L. Bonora , A. Ricco

We propose a new model of flavour chiral symmetry breaking in a (2+1)-dimensional defect gauge theory of strongly coupled fermions by introducing probe D5/anti-D5-flavour branes on the conifold. After working out the flavour brane…

High Energy Physics - Theory · Physics 2013-12-25 Veselin G. Filev , Matthias Ihl , Dimitrios Zoakos

We study the temperature of rotating probe D7-branes, dual to the temperature of flavored quarks, in the Kuperstein--Sonnenschein holographic model including the effects of spontaneous breakdown of the conformal and chiral flavor symmetry.…

High Energy Physics - Theory · Physics 2017-03-22 Dariush Kaviani
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