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We investigate the scalar emission from binary neutron stars in shift-symmetric scalar-tensor theories with kinetic screening ($K$-essence), using 3+1 numerical simulations in the decoupling limit. To construct static binary initial data in…

General Relativity and Quantum Cosmology · Physics 2026-05-04 Ramiro Cayuso , Adrien Kuntz , Thiago Assumpcao , Miguel Bezares , Enrico Barausse

In this work we focus on the study of phase separation in the zero-bandwidth extended Hubbard with nearest-neighbors intersite Ising-like magnetic interactions $J$ and on-site Coulomb interactions $U$. The system has been analyzed by means…

Strongly Correlated Electrons · Physics 2015-06-05 Szymon Murawski , Konrad Jerzy Kapcia , Grzegorz Pawłowski , Stanisław Robaszkiewicz

We present a new prediction of the luminosity functions of the [CII] line at 158 $\mu$m, of the CO lines from J=0 to J=24, and of the molecular gas mass density up to z=10, using the Spectro-Photometric Realisations of Infrared-selected…

Astrophysics of Galaxies · Physics 2022-10-26 L. Bisigello , L. Vallini , C. Gruppioni , F. Esposito , F. Calura , I. Delvecchio , A. Feltre , F. Pozzi , G. Rodighiero

For inhomogeneous classical Coulomb fluids in thermal equilibrium, like the jellium or the two-component Coulomb gas, there exists a variety of exact sum rules which relate the particle one-body and two-body densities. The necessary…

Soft Condensed Matter · Physics 2013-10-09 Ladislav Samaj

A microscopic approach to the investigation of the behaviour of a symmetrical binary fluid mixture in the vicinity of the vapour-liquid critical point is proposed. It is shown that the problem can be reduced to the calculation of the…

Condensed Matter · Physics 2009-10-31 O. V. Patsahan , M. P. Kozlovskii , R. S. Melnyk

The line ratios R and G of the three main lines of He-like ions (triplet: resonance, intercombination, forbidden lines) are calculated for CV, NVI, OVII, NeIX, MgXI, and SiXIII. These ratios can be used to derive electron density n_e and…

Astrophysics · Physics 2016-08-30 D. Porquet , R. Mewe , J. Dubau , A. J. J. Raassen , J. S. Kaastra

Nuclear reaction rates in plasmas depend on the overlap (contact) probability of the reacting ions. Path integral Monte Carlo (PIMC) calculations are used here to determine these contact probabilities, g(0), for the one component plasma…

Statistical Mechanics · Physics 2007-05-23 B. Militzer E. L. Pollock

We reemphasise the usefulness of angular correlations in LHC searches for missing transverse energy ($E_T^{\mathrm{miss}}$) signatures that involve jet $(j)$ pairs with large invariant mass. For the case of mono-jet production via…

High Energy Physics - Phenomenology · Physics 2019-03-27 Ulrich Haisch , Giacomo Polesello

Collisional relaxation of Coulomb systems is studied in the strongly coupled regime. We use an optical pump-probe approach to manipulate and monitor the dynamics of ions in an ultracold neutral plasma, which allows direct measurement of…

Plasma Physics · Physics 2013-02-26 G. Bannasch , J. Castro , P. McQuillen , T. Pohl , T. C. Killian

Appropriately designing the proposal kernel of particle filters is an issue of significant importance, since a bad choice may lead to deterioration of the particle sample and, consequently, waste of computational power. In this paper we…

Methodology · Statistics 2012-10-12 J. Cornebise , E. Moulines , J. Olsson

A general, fast, and effective approach is developed for numerical calculation of kinetic plasma dispersion relations. The plasma dispersion function is approximated by $J$-pole expansion. Subsequently, the dispersion relation is…

Plasma Physics · Physics 2016-02-18 Hua-sheng Xie , Yong Xiao

Due to screening effects, nuclear reactions in astrophysical plasmas may behave differently than in the laboratory. The possibility to determine the magnitude of these screening effects in colliding laser-generated plasmas is investigated…

Plasma Physics · Physics 2017-03-29 Yuanbin Wu , Adriana Pálffy

A new QCD calculation of the B parameter of $K^{0}-\bar{K^{0}}$ mixing is presented. It makes use of polynomial kernels in dispersion integrals in order to practically eliminate the contributions of the unknown pseudoscalar strange…

High Energy Physics - Phenomenology · Physics 2018-04-18 N. F. Nasrallah

We predict linear polarization for a radioactively-powered kilonova following the merger of a black hole and a neutron star. Specifically, we perform 3-D Monte Carlo radiative transfer simulations for two different models, both featuring a…

High Energy Astrophysical Phenomena · Physics 2020-12-16 M. Bulla , K. Kyutoku , M. Tanaka , S. Covino , J. R. Bruten , T. Matsumoto , J. R. Maund , V. Testa , K. Wiersema

An ubiquitous property of plasmas is the so-called Debye shielding of the electrostatic potential. Important aspects of Debye screening concern, in particular, the investigation of non-linear charge screening effects taking place in…

Plasma Physics · Physics 2007-05-23 D. Sarmah , M. Tessarotto , M. Salimullah

We present new calculations of Stark broadened profiles for neutral helium lines using computer simulations that include some important aspects aimed at better representing the dynamical environment of the helium atom. These include the…

Solar and Stellar Astrophysics · Physics 2020-10-07 Patrick Tremblay , Alain Beauchamp , Pierre Bergeron

Squeezed correlations of particle-antiparticle pairs were predicted to exist if the hadron masses were modified in the hot and dense medium formed in high energy heavy ion collisions. Although well-established theoretically, they have not…

Nuclear Theory · Physics 2013-04-02 Sandra S. Padula , O. Socolowski

It has been recently predicted theoretically that due to nuclear motion light and heavy hydrogen molecules exposed to strong electric field should exhibit substantially different tunneling ionization rates (O.I. Tolstikhin, H.J. Worner and…

Atomic Physics · Physics 2016-08-24 X. Wang , H. Xu , A. Atia-Tul-Noor , B. T. Hu , D. Kielpinski , R. T. Sang , I. V. Litvinyuk

Screenings of the quark-gluon plasma in electric and magnetic sectors are studied on the basis of generalized Polyakov-line correlation functions in lattice QCD simulations with two flavors of improved Wilson quarks. Using the…

High Energy Physics - Lattice · Physics 2010-05-27 Y. Maezawa , S. Aoki , S. Ejiri , T. Hatsuda , N. Ishii , K. Kanaya , N. Ukita , T. Umeda

Within the last decade microscopic multiphase flows have gained broad interest. An exact understanding of the underlying hydrodynamic interrelations is the key for successful reactor layout and reaction control. To examine the local…

Fluid Dynamics · Physics 2020-02-14 Thorben Helmers , Philip Kemper , Ulrich Mießner , Jorg Thöming