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Related papers: Screening Masses in Gluonic Plasma

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We present a method to calculate the pion screening mass in 2+1-flavor lattice QCD to $\mathcal{O}(\mu^2_\ell)$, where $\mu_\ell$ is the isoscalar chemical potential. Our approach is based on the expression for the free theory pion…

High Energy Physics - Lattice · Physics 2024-01-09 Prasad Hegde , Rishabh Thakkar

We present our results on meson and nucleon screening masses in finite temperature two flavour QCD using smeared staggered valence quarks and staggered thin-link sea quarks with different lattice spacings and quark masses. We investigate…

High Energy Physics - Lattice · Physics 2013-05-08 Sourendu Gupta , Nikhil Karthik

We use a new non-parametric gravitational modelling tool -- \Glass{} -- to determine what quality of data (strong lensing, stellar kinematics, and/or stellar masses) are required to measure the circularly averaged mass profile of a lens and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Jonathan P. Coles , Justin I. Read , Prasenjit Saha

Within the problem of the finding of the mean potential energy of the charged particle in the plasma in this work a classification of physical systems (electrolytes, dusty plasmas, plasmas) is made based on consideration, or lack thereof,…

Plasma Physics · Physics 2017-03-23 A. A. Mihajlov , Lj. M. Ignjatovic , V. A. Sreckovic

Investigation of organic molecular films by a method Raman of a spectroscopy is carried out. It is shown, that values of frequencies of lines in a spectrum of the lattice oscillations of the molecular films are depressed in comparison with…

Optics · Physics 2007-05-23 M. A. Korshunov

The infrared behaviour of the medium modified gluon propagator in non-equilibrium situations is studied in the covariant gauge using the Schwinger-Keldysh closed-time path formalism. It is shown that the magnetic screening mass is non-zero…

High Energy Physics - Phenomenology · Physics 2009-11-07 Fred Cooper , Chung-Wen Kao , Gouranga C. Nayak

We examine nature of longitudinal electrical conductivity in magnetized electron-ion plasma in the context of binary neutron star mergers. In presence of strong magnetic field, high density and temperature, quantum oscillatory behaviour for…

High Energy Physics - Phenomenology · Physics 2021-08-27 Sreemoyee Sarkar , Souvik Priyam Adhya

Gravitational lensing deals with general-relativistic effects in the propagation of electromagnetic radiation. We consider wavelength-dependent contributions in case of a (micro)lensing of an extended Gaussian source by a point mass under…

Astrophysics of Galaxies · Physics 2012-11-07 V. I. Zhdanov , D. V. Gorpinchenko

Analytical results for the spatial dependence of the correlation functions for all meson excitations in perturbative Quantum Chromodynamics, the lowest order, are calculated. The meson screening mass is obtained as a large distance limit of…

High Energy Physics - Phenomenology · Physics 2014-03-05 Piotr Czerski

The physical sense and the properties of a group screening parameters which are determined in the previous papers (Part~1 and Part~2) for single- and two-component systems is discussed in this paper. On the base of data from the mentioned…

Plasma Physics · Physics 2009-06-30 A. A. Mihajlov , Y. Vitel , Lj. M. Ignjatovic

Electromagnetic fields bound tightly to charge carriers in a two-dimensional sheet, namely surface plasmons, are shielded by metallic plates that are a part of a device. It is shown that for epitaxial graphenes, the propagation velocity of…

Mesoscale and Nanoscale Physics · Physics 2014-08-05 Ken-ichi Sasaki , Norio Kumada

We have, using spin-echo nuclear magnetic resonance spectroscopy, measured the relaxation times and diffusion coefficient of water protons in primary mammary adenocarcinomas of mice. In our biological model, three morphological stages were…

Quantitative Methods · Quantitative Biology 2014-03-05 C. F. Hazlewood , D. C. Chang , D. Medina , G. Cleveland , B. L. Nichols

The fusion enhancement factor due to screening in the solar plasma is calculated. We use the finite temperature Green's function method and a self consistent mean field approximation. We reduce this to one center problems, because in the…

Astrophysics · Physics 2009-10-31 L. Wilets , B. G. Giraud , M. J. Watrous , J. J. Rehr

Gravitational lensing is a powerful tool for studying the distribution of mass in the Universe. Understanding the magnification bias effect in gravitational lensing and its impact on the flux of sub-millimetre galaxies (SMGs) is crucial for…

Astrophysics of Galaxies · Physics 2024-03-05 D. Crespo , J. González-Nuevo , L. Bonavera , M. M. Cueli , J. M. Casas

The screening properties of fullerene molecules are described by means of a continuum model which uses the electronic wavefunctions of planar graphite as a starting point. The long distance behavior of the system gives rise to a…

Condensed Matter · Physics 2015-06-25 J. Gonzalez , F. Guinea , M. A. H. Vozmediano

We describe a new optical diagnostic for determining the composition of gases by measuring the motion of atoms and molecules trapped within very deep optical lattices. This non-resonant method is analogous to conventional Raman scattering,…

Optics · Physics 2022-01-19 A. Gerakis , M. N. Shneider , P. F. Barker

We discuss the variation of cosmological upper bounds on $M_\nu$, the sum of the neutrino masses, with the choice of data sets included in the analysis, pointing out a few oddities not easily seen when all data sets are combined. For…

Astrophysics · Physics 2008-11-26 Jostein R. Kristiansen , Oystein Elgaroy , Hakon Dahle

We show that recently reported unusual hardening of optical phonons renormalized by the electron-phonon interaction is due to the neglect of screening effects. When the electron-ion interaction is properly screened optical phonons soften in…

Strongly Correlated Electrons · Physics 2009-10-31 M. Reizer

When a beam of light is laterally confined, its field distribution can exhibit points where the local magnetic and electric field vectors spin in a plane containing the propagation direction of the electromagnetic wave. The phenomenon…

Optics · Physics 2018-05-23 Martin Neugebauer , Jörg Eismann , Thomas Bauer , Peter Banzer

We study the screening of static electric fields in massless scalar electrodynamics at high temperature and zero chemical potential. Effective field theory methods are used to separate the contributions from the momentum scales T and eT to…

High Energy Physics - Phenomenology · Physics 2016-09-06 Jens O. Andersen
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