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We use holography to study (3+1)-dimensional N=4 supersymmetric Yang-Mills theory with gauge group SU(Nc), in the large-Nc and large-coupling limits, coupled to a single massless (n+1)-dimensional hypermultiplet in the fundamental…

High Energy Physics - Theory · Physics 2013-11-27 Martin Ammon , Kristan Jensen , Keun-Young Kim , João Laia , Andy O'Bannon

We study the embedding of spacetime filling D7-branes in beta-deformed backgrounds which, according to the AdS/CFT dictionary, corresponds to flavoring beta-deformed N=4 super Yang-Mills. We consider supersymmetric and more general…

High Energy Physics - Theory · Physics 2009-05-20 Silvia Penati , Marco Pirrone , CarloAlberto Ratti

We study the dynamics of quenched fundamental matter in $\mathcal{N}=2^\ast$ supersymmetric large $N$ SU(N) Yang-Mills theory at zero temperature. Our tools for this study are probe D7-branes in the holographically dual $\mathcal{N}=2^\ast$…

High Energy Physics - Theory · Physics 2015-03-18 Tameem Albash , Clifford V. Johnson

We study the realisation of higher-form symmetries in the holographic dual of gauge theories coupled to probe matter in the fundamental. We particularly focus on the dual of U(N) gauge theory coupled to fundamental matter. We demonstrate…

High Energy Physics - Theory · Physics 2021-07-02 Nabil Iqbal , Kieran Macfarlane

We have recently shown that the ground state of ${\cal N} = 4$, SU($N_{\rm{\tiny c}}$) super Yang--Mills coupled to $N_{\rm{\tiny f}} \ll N_{\rm{\tiny c}}$ flavors, in the presence of non-zero isospin and R-symmetry charges, is a…

High Energy Physics - Theory · Physics 2020-01-08 Anton F. Faedo , David Mateos , Christiana Pantelidou , Javier Tarrio

We study the collective excitations of holographic quantum liquids formed in the low energy theory living at the intersection of two sets of D-branes. The corresponding field theory dual is a supersymmetric Yang-Mills theory with massless…

High Energy Physics - Theory · Physics 2015-07-22 Niko Jokela , Alfonso V. Ramallo

The plasma phase at high temperatures of a strongly coupled gauge theory can be holographically modelled by an AdS black hole. Matter in the fundamental representation and in the quenched approximation is introduced through embedding…

High Energy Physics - Theory · Physics 2010-10-27 Carlos Hoyos , Karl Landsteiner , Sergio Montero

We calculate the spectrum of fluctuations of a probe Dk-brane in the background of N Dp-branes, for k=p,p+2,p+4 and p< 5. The result corresponds to the mesonic spectrum of a (p+1)-dimensional super-Yang-Mills (SYM) theory coupled to…

High Energy Physics - Theory · Physics 2009-11-11 Robert C. Myers , Rowan M. Thomson

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

We discuss mesons in thermalizing gluon backgrounds in the N=2 supersymmetric QCD using the gravity dual. We numerically compute the dynamics of a probe D7-brane in the Vaidya-AdS geometry that corresponds to a D3-brane background…

High Energy Physics - Theory · Physics 2015-06-18 Takaaki Ishii , Shunichiro Kinoshita , Keiju Murata , Norihiro Tanahashi

We use gauge-gravity duality to study the temperature dependence of the zero sound mode and the fundamental matter diffusion mode in the strongly coupled {\cal N}=4 SU(N_c) supersymmetric Yang-Mills theory with N_f {\cal N}=2…

High Energy Physics - Theory · Physics 2012-01-19 Richard A. Davison , Andrei O. Starinets

We study SU(N) Yang-Mills-Chern-Simons theory in the presence of defects that shift the Chern-Simons level from a holographic point of view by embedding the system in string theory. The model is a D3-D7 system in Type IIB string theory,…

High Energy Physics - Theory · Physics 2016-07-20 Mitsutoshi Fujita , Charles M. Melby-Thompson , Rene Meyer , Shigeki Sugimoto

We construct the gravity dual of $d=4$, $\mathcal{N}=4$, SU($N_\rm{c}$) super Yang-Mills theory, coupled to $N_\rm{f}$ flavors of dynamical quarks, at non-zero temperature $T$ and non-zero quark density $N_\rm{q}$. The supergravity…

High Energy Physics - Theory · Physics 2019-07-02 Anton F. Faedo , David Mateos , Christiana Pantelidou , Javier Tarrio

We study the holographic dual of flavors in a Chern-Simons matter theory at non-zero temperature, realized as D6-branes in the type IIA black hole dual in the ABJM background geometry. We consider both massive and massless flavors. The…

High Energy Physics - Theory · Physics 2015-06-12 Niko Jokela , Javier Mas , Alfonso V. Ramallo , Dimitrios Zoakos

We use gauge-gravity duality to study the stability of zero-temperature, finite baryon density states of N=4 supersymmetric SU(Nc) Yang-Mills theory coupled to a single massive fundamental-representation N=2 hypermultiplet in the large-Nc…

High Energy Physics - Theory · Physics 2012-10-09 Martin Ammon , Johanna Erdmenger , Shu Lin , Steffen Muller , Andy O'Bannon , Jonathan P. Shock

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

Using holography, we compute the Chern-Simons diffusion rate of 4d gauge theories constructed by wrapping D4-branes on a circle. In the model with antiperiodic boundary conditions for fermions, we find that it scales like $T^6$ in the…

High Energy Physics - Theory · Physics 2015-06-11 Ben Craps , Carlos Hoyos , Piotr Surowka , Pieter Taels

We give a detailed account and extensions of a holographic flavor superconductivity model which we have proposed recently. The model has an explicit field theory realization as strongly coupled N=2 Super Yang-Mills theory with fundamental…

High Energy Physics - Theory · Physics 2009-11-05 Martin Ammon , Johanna Erdmenger , Matthias Kaminski , Patrick Kerner

A holographic dual of a finite-temperature SU(N_c) gauge theory with a small number of flavours N_f << N_c typically contains D-branes in a black hole background. By considering the backreaction of the branes, we demonstrate that, to…

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

In this paper we study the holographic dual, in several spacetime dimensions, of the Higgs branch of gauge theories with fundamental matter. These theories contain defects of various codimensionalities, where the matter fields are located.…

High Energy Physics - Theory · Physics 2010-10-27 Daniel Arean , Alfonso V. Ramallo , Diego Rodriguez-Gomez