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Related papers: Jet Quenching Parameter with Hyperscaling Violatio…

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New technological developments allow to explore the quantum properties of very complex systems, bringing the question of whether also macroscopic systems share such features, within experimental reach. The interest in this question is…

Quantum Physics · Physics 2015-06-17 Mohammad Bahrami , Angelo Bassi , Hendrik Ulbricht

Quantum critical states exhibit strong quantum fluctuations and are therefore highly susceptible to perturbations. In this work we study the dynamical stability against a sudden coupling to these strong fluctuations by quenching the order…

Statistical Mechanics · Physics 2017-02-21 Markus Heyl

We re-investigate the holographic superconductor in hyperscaling violation geometry by considering the coupling between the probed Maxwell field and the background dilaton. We find that the phenomenon of superconductivity still exists, but…

High Energy Physics - Theory · Physics 2016-02-09 Shao-Jun Zhang , Qiyuan Pan , Elcio Abdalla

We consider the space-time scaling limit of the particle mass in zero-range particle systems on a $1$D discrete torus $\mathbb{Z}/N\mathbb{Z}$ with a finite number of defects. We focus on two classes of increasing jump rates $g$, when…

Probability · Mathematics 2022-05-23 Sunder Sethuraman , Jianfei Xue

We analyze finite supersymmetric SU(5) GUT taking into account the problem in the Higgs potential and threshold corrections to gauge and Yukawa couplings at GUT and SUSY scales which is important in case of large $\tan \beta$ model. We find…

High Energy Physics - Phenomenology · Physics 2011-07-19 Koichi Yoshioka

In this short note we use holographic methods to study the response of quantum critical points with hyperscaling violation to a disturbance caused by a massive charged particle. We give analytical expressions for the two-point functions of…

High Energy Physics - Theory · Physics 2013-02-07 Mohammad Edalati , Juan F. Pedraza , Walter Tangarife Garcia

As was shown before (Gurzadyan and Kocharyan, 1992, 1993ab) the statistical properties (exponential mixing) of motion of CMB photon beams in Friedmann Universe with negative curvature can have definite observable consequences including the…

Astrophysics · Physics 2008-02-03 V. G. Gurzadyan , A. A. Kocharyan

Theoretical studies of jet stopping in strongly-coupled QCD-like plasmas have used gauge-gravity duality to find that the maximum stopping distance scales like E^{1/3} for large jet energies E. In recent work studying jets that are created…

High Energy Physics - Theory · Physics 2015-03-17 Peter Arnold , Diana Vaman

We investigate the phase transition within an extremely strong magnetic background field, employing a holographic Quantum Chromodynamics (QCD) model with a focus on entropy and pressure properties. At relatively modest magnetic field…

High Energy Physics - Theory · Physics 2025-01-17 Xuanmin Cao , Hui Liu

We perform an analysis of jet quenching in heavy ion collisions at RHIC and LHC energies with the temperature dependent running QCD coupling. Our results show that the $T$-dependent QCD coupling largely eliminates the difference between the…

High Energy Physics - Phenomenology · Physics 2020-12-30 B. G. Zakharov

After almost two decades of investigation, jet quenching has become a fundamental tool to study the properties of the QCD matter produced in high-energy nuclear collisions. Despite the large progress in both experimental and theoretical…

High Energy Physics - Phenomenology · Physics 2021-04-22 Xabier Feal , Carlos A. Salgado , Ricardo A. Vazquez

The effects of charge and finite 't Hooft coupling correction on drag force and jet quenching parameter are investigated. To study charge effect and finite 't Hooft coupling correction, we consider Maxwell charge and Gauss-Bonnet terms,…

High Energy Physics - Theory · Physics 2014-11-18 Kazem Bitaghsir Fadafan

Recently, a scheme to analyse topological phases in Quantum Mechanics by means of the non-relativistic limit of fermions non-minimally coupled to a Lorentz-breaking background has been proposed. In this letter, we show that the fixed…

High Energy Physics - Theory · Physics 2008-11-26 H. Belich , T. Costa-Soares , M. M. Ferreira , J. A. Helayel-Neto , M. T. D. Orlando

We investigate the robustness with respect to nonconformality of five properties of strongly coupled plasmas that have been calculated in N=4 supersymmetric Yang-Mills (SYM) theory at nonzero temperature, motivated by the goal of…

High Energy Physics - Phenomenology · Physics 2009-01-30 Hong Liu , Krishna Rajagopal , Yeming Shi

We numerically study the effect of adding quenched disorder in the form of randomly placed pinning sites on jamming transitions in systems that jam at a well defined point J in the clean limit. Quenched disorder decreases the jamming…

Soft Condensed Matter · Physics 2015-06-04 C. J. Olson Reichhardt , E. Groopman , Z. Nussinov , C. Reichhardt

We analyze the nonrelativistic quantum dynamics of a single neutral spin half particle, with non-zero magnetic and electric dipole moments, moving in an external electromagnetic field in presence of Lorentz symmetry violation background.…

High Energy Physics - Theory · Physics 2007-11-08 L. R. Ribeiro , E. Passos , C. Furtado , J. R. Nascimento

Lorentz and CPT symmetries may be violated in new physics that emerges at very high energy scale, i.e., at the Planck scale. The differential cross section of the M\"oller scattering, due to Lorentz violation at finite temperature is…

High Energy Physics - Theory · Physics 2018-04-24 A. F. Santos , Faqir C. Khanna

We report our calculation of jet quenching and its azimuthal anisotropy in the high energy AA and high multiplicity pA and dA collisions. The purpose of this study is twofold. First, we improve our previous event-by-event studies, by…

Nuclear Theory · Physics 2014-01-13 Xilin Zhang , Jinfeng Liao

We present here a possible resolution of the jet quenching parameter $\hat{q}$ puzzle by exploring the momentum fraction $x$ and scale $Q^2$ dependence of $\hat{q}$, in addition to temperature dependence. We explore the momentum broadening…

Nuclear Theory · Physics 2018-03-14 Amit Kumar , Evan Bianchi , Jacob Elledge , Abhijit Majumder , Guang-You Qin , Chun Shen

We prove strong convergence of conforming finite element approximations to the stationary Joule heating problem with mixed boundary conditions on Lipschitz domains in three spatial dimensions. We show optimal global regularity estimates on…

Numerical Analysis · Mathematics 2013-02-25 Max Jensen , Axel Målqvist