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We discuss absorption of scalars by a distribution of spinning D3-branes. The D3-branes are multi-center solutions of supergravity theory. We solve the wave equation in various cases of supergravity backgrounds in which the equation becomes…

高能物理 - 理论 · 物理学 2009-10-31 George Siopsis

We report new results for a frequently discussed gauge theory with twelve fermion flavors in the fundamental representation of the SU(3) color gauge group. The model, controversial with respect to its conformality, is important in…

高能物理 - 格点 · 物理学 2015-05-27 Zoltan Fodor , Kieran Holland , Julius Kuti , Daniel Nogradi , Chris Schroeder

The temperature dependence of d-wave superconducting order for two dimensional fermions with d-wave attraction is investigated by means of the functional renormalization group with partial bosonization. Below the critical temperature T_c we…

强关联电子 · 物理学 2008-11-26 H. C. Krahl , C. Wetterich

An exact fully-localized extremal supergravity solution for N_2 D2 branes and N_6 D6 branes, which is dual to 3-dimensional supersymmetric SU(N_2) gauge theory with N_6 fundamentals, was found by Cherkis and Hashimoto. In order to consider…

高能物理 - 理论 · 物理学 2008-11-26 Marta Gomez-Reino , Stephen Naculich , Howard Schnitzer

We derive a new class of supersymmetric D3/D7 brane configurations, which allow to holographically describe N=4 SYM coupled to massive N=2 flavor degrees of freedom on spaces of constant curvature. We systematically solve the…

高能物理 - 理论 · 物理学 2016-01-07 Andreas Karch , Brandon Robinson , Christoph F. Uhlemann

The infinite-dimensional Hubbard model is studied by means of a modified perturbation theory. The approach reduces to the iterative perturbation theory for weak coupling. It is exact in the atomic limit and correctly reproduces the…

强关联电子 · 物理学 2009-10-30 T. Wegner , M. Potthoff , W. Nolting

It was recently conjectured that, in SU(3) gauge theories with fundamental quarks, valence spontaneous chiral symmetry breaking is equivalent to condensation of local dynamical chirality and appearance of chiral polarization scale…

高能物理 - 格点 · 物理学 2015-06-19 Andrei Alexandru , Ivan Horváth

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 $N$…

高能物理 - 理论 · 物理学 2008-11-26 G. Bonelli , L. Bonora , A. Ricco

We study strongly coupled ABJM theory on the 3-sphere with massive quenched flavor using the AdS/CFT correspondence. The holographic dual consists of type IIA supergravity with probe D6-branes. The flavor mass is a relevant deformation…

高能物理 - 理论 · 物理学 2022-03-24 Niko Jokela , Jani Kastikainen , Elias Kiritsis , Francesco Nitti

We use holographic techniques to study SU(Nc) super Yang-Mills theory coupled to Nf << Nc flavours of fundamental matter at finite temperature and baryon density. We focus on four dimensions, for which the dual description consists of Nf…

高能物理 - 理论 · 物理学 2010-10-27 Shinpei Kobayashi , David Mateos , Shunji Matsuura , Robert C. Myers , Rowan M. Thomson

We consider holography for d-dimensional scale invariant but non-Lorentz invariant field theories, which do not admit the full Schrodinger symmetry group. We find new realizations of the corresponding (d+1)-dimensional gravity duals,…

高能物理 - 理论 · 物理学 2008-12-03 Marika Taylor

We extend the work of Aarts et al., including an imaginary chemical potential for quark number into the Sakai-Sugimoto model and codimension k defect theories. The phase diagram of these models are a function of three parameters, the…

高能物理 - 理论 · 物理学 2015-03-19 James Rafferty

D3-branes are often a necessary ingredient in global compactifications of F-theory. In minimal realizations of flavor hierarchies in F-theory GUT models, suitable fluxes are turned on, which in turn attract D3-branes to the Yukawa points.…

高能物理 - 理论 · 物理学 2011-02-01 Jonathan J. Heckman , Cumrun Vafa

We employ the string/gauge theory correspondence to study properties of strongly coupled quark-gluon plasmas in thermal gauge theories with a large number of colors and flavors. In particular, we analyze non-critical string duals of…

高能物理 - 理论 · 物理学 2008-11-26 G. Bertoldi , F. Bigazzi , A. L. Cotrone , Jose D. Edelstein

Spinning black three-branes in type IIB supergravity are thermodynamically stable up to a critical value of the angular momentum density. Inside the region of thermodynamic stability, the free energy from supergravity is roughly reproduced…

高能物理 - 理论 · 物理学 2009-10-31 Steven S. Gubser

In this article, we propose a novel extension of Light-Front Holographic Quantum Chromodynamics (QCD) to study the effects of spin-orbit coupling on the baryon spectrum by introducing a flavor-dependent dynamical spin-orbit potential. This…

高能物理 - 唯象学 · 物理学 2026-04-15 Fidele J. Twagirayezu

We propose a new method to consider D-brane probes in thermal backgrounds. The method builds on the recently developed blackfold approach to higher-dimensional black holes. While D-brane probes in zero-temperature backgrounds are…

高能物理 - 理论 · 物理学 2015-03-17 Gianluca Grignani , Troels Harmark , Andrea Marini , Niels A. Obers , Marta Orselli

We present non-extremal generalizations of N_f=2N_c supergravity duals obtained by adding flavor branes to the Chamseddine-Volkov-Maldacena-Nunez background and taking their backreaction into account. For a particular range of parameters we…

高能物理 - 理论 · 物理学 2009-09-01 Elena Caceres , Raphael Flauger , Timm Wrase

This work investigates cosmic topological defects in gauge theories, focusing on models with an $SU(N)$ gauge group coupled with a single flavor, explored through a holographic framework. At low energies, the effective theory is described…

高能物理 - 理论 · 物理学 2025-02-12 Francesco Bigazzi , Aldo L. Cotrone , Andrea Olzi

We present a series of 2-d ($r,\phi$) hydrodynamic simulations of marginally self gravitating disks around protostars using an SPH code. We implement simple dynamical heating and we cool each location as a black body, using a photosphere…

天体物理学 · 物理学 2011-02-11 Andrew F. Nelson , Willy Benz , Tamara Ruzmaikina