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Related papers: Screening Masses in Gluonic Plasma

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Gravitational lensing is a powerful tool for quantifying the mass content and distribution in distant galaxies. By using milliarcsecond angular resolution observations of radio-loud gravitationally lensed sources it is also possible to…

Astrophysics of Galaxies · Physics 2019-02-20 C. Spingola , J. P. McKean , A. Deller , J. Moldon

The Debye screening mass for a quark-gluon plasma at high temperature is calculated to next-to-leading order in the QCD coupling constant from the correlator of two Polyakov loops. The result agrees with the screening mass defined by the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Eric Braaten , Agustin Nieto

We consider crossed electric and a magnetic fields $\left(\vec{B}=B\,\hat{z},~\vec{E}=E\,\hat{y}\right)$, with $E/B<1$, in presence of some initial number of $e^{\pm}$ pairs. We do not discuss here the mechanism of generation of these…

High Energy Astrophysical Phenomena · Physics 2021-08-25 S. Campion , J. A. Rueda , R. Ruffini , S. S. Xue

The study of the generation of metric perturbation in the laboratory presents an opportunity to observe and understand more easily the mechanisms at work in gravitation. The present study will focus on the metric perturbation generated by a…

General Relativity and Quantum Cosmology · Physics 2022-06-08 Paul Lageyre , Xavier Ribeyre , Emmanuel D'Humieres

We report on a lattice investigation of improved quenched Wilson fermions above and below the confinement-deconfinement phase transition. Results on meson screening masses as well as spatial wave functions are presented. Moreover, the meson…

High Energy Physics - Lattice · Physics 2009-01-07 Edwin Laermann , Peter Schmidt

Laser ultrasonic non-destructive testing is widely used for the inspection of mechanical structures. This method uses the propagation of ultrasonic guided waves (UGW) in the media. For this purpose, it has been demonstrated that the…

We calculate the screening of the ion-ion potential due to electrons in the presence of a large background magnetic field, at densities of relevance to neutron star crusts. Using the standard approach to incorporate electron screening…

Solar and Stellar Astrophysics · Physics 2015-03-14 Rishi Sharma , Sanjay Reddy

The gluon spin coupling to a Gaussian correlated background gauge field induces an effective tachyonic gluon mass. It is momentum dependent and vanishes in the UV only like 1/p^2. In the IR, we obtain stabilization through a positive…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. J. Huber , M. Reuter , M. G. Schmidt

Scalar and tensor glueball spectrum is studied using an improved gluonic action on asymmetric lattices in the pure SU(3) gauge theory. The smallest spatial lattice spacing is about 0.08fm which makes the extrapolation to the continuum limit…

High Energy Physics - Lattice · Physics 2009-10-31 C. Liu

Masses of the eta and eta-prime mesons are estimated in Nf=2+1 lattice QCD with the non-perturbatively O(a) improved Wilson quark action and the Iwasaki RG-improved gluon action, using CP-PACS/JLQCD configurations on a 16^3 x 32 lattice at…

Screening is one of the fundamental concepts in solid state physics. It has a great impact on the electronic properties of graphene where huge mobilities were observed in spite of the large concentration of charged impurities. While static…

Mesoscale and Nanoscale Physics · Physics 2014-03-18 Marinko Jablan , Marin Soljacic , Hrvoje Buljan

We present an extension to multiple planes of the gravitational lensing code {\small GLAMER}. The method entails projecting the mass in the observed light-cone onto a discrete number of lens planes and inverse ray-shooting from the image to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Margarita Petkova , R. Benton Metcalf , Carlo Giocoli

The investigation of a proposed glueball filter in proton-proton collisions led us to show that its action is in fact easily understood in terms of kinematics. While the procedure proposed stays of interest in reducing background when…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. -M. Frère

The proton is one of the main building blocks of all visible matter in the universe. Among its intrinsic properties are its electric charge, mass, and spin. These emerge from the complex dynamics of its fundamental constituents, quarks and…

Electrons in two-dimensional graphene sheets behave as interacting chiral Dirac fermions and have unique screening properties due to their symmetry and reduced dimensionality. By using a combination of scanning tunneling spectroscopy…

A numerical analysis for the Meissner mass in the simplest gluonic phase (the minimal cylindrical gluonic phase II) is performed in the framework of the gauged Nambu-Jona-Lasinio model with cold two-flavor quark matter. We derive Meissner…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michio Hashimoto , Junji Jia

We present a novel gravitational wave detection algorithm that conducts a matched filter search stochastically across the compact binary parameter space rather than relying on a fixed bank of template waveforms. This technique is…

Traditional estimators of the mass of galaxy clusters assume that the cluster components (galaxies, intracluster medium, and dark matter) are in dynamical equilibrium. Two additional estimators, that do not require this assumption, were…

Cosmology and Nongalactic Astrophysics · Physics 2009-02-02 Antonaldo Diaferio

The gravitational lensing constraints on the small mass end of the LCDM mass function are discussed. Here a conservative approach is taken where only the most difficult to explain image flux anomalies in strong QSO lenses are emphasized.…

Astrophysics · Physics 2009-11-10 R. Benton Metcalf

Rotation-powered pulsars are excellent laboratories for study of particle acceleration as well as fundamental physics of strong gravity, strong magnetic fields, high densities and relativity. I will review the outstanding questions in…

Astrophysics · Physics 2009-06-23 Alice K. Harding