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The nonlinear propagation of low-frequency circularly polarized waves in a magnetized dusty plasma is analyzed. It is found that wave steepening and shock formation can take place due to the presence of nonlinear quantum vacuum effects,…

Astrophysics · Physics 2008-11-26 M. Marklund , D. D. Tskhakaya , P. K. Shukla

We extend a recently developed Big Bang Nucleosynthesis (BBN) code, {\tt PRyMordial}, to constrain a broad class of Grand Unified Theories to which BBN is sensitive, since these lead to varying fundamental couplings. A previously developed…

High Energy Physics - Phenomenology · Physics 2026-04-07 I. M. Dreyer , C. J. A. P. Martins

For atoms embedded in dense plasma, the plasma screening effects will greatly alter their structure and dynamics, and then determine the radiation transport properties of the plasma. In the present work, a new statistical model is proposed…

Plasma Physics · Physics 2020-11-25 Fuyang Zhou , Yizhi Qu , Junwen Gao , Yulong Ma , Yong Wu , Jianguo Wang

The recent cosmological picture contains a significant tension indicating that our standard $\Lambda$CDM picture may be incomplete. Early Dark Energy models can alleviate the Hubble tension, by assuming an early acceleration that could…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-27 Teodora M. Matei , Cristian Croitoru , Tiberiu Harko

The theoretical description of complex (dusty) plasmas requires multiscale concepts that adequately incorporate the correlated interplay of streaming electrons and ions, neutrals, and dust grains. Knowing the effective dust-dust…

Plasma Physics · Physics 2015-04-22 Patrick Ludwig , Wojciech J. Miloch , Hanno Kählert , Michael Bonitz

Boosted dark matter (BDM) is a well-motivated class of dark matter (DM) candidates in which a small component of DM is relativistic at the present time. We lay the foundation for BDM searches via hadronic interactions in large liquid-argon…

High Energy Physics - Phenomenology · Physics 2021-05-26 Joshua Berger , Yanou Cui , Mathew Graham , Lina Necib , Gianluca Petrillo , Dane Stocks , Yun-Tse Tsai , Yue Zhao

Dusty plasma medium turns out to be an ideal system for studying the strongly coupled behavior of matter. The large size and slow response make their dynamics suitable to be captured through simple diagnostic tools. Furthermore, as the…

Plasma Physics · Physics 2024-08-30 Aman Singh Katariya , Amita Das , Animesh Sharma , Bibhuti Bhushan Sahu

A fundamental task in particle-in-cell (PIC) simulations of plasma physics is solving for charged particle motion in electromagnetic fields. This problem is especially challenging when the plasma is strongly magnetized due to numerical…

Computational Physics · Physics 2026-01-01 Tri P. Nguyen , Ilon Joseph , Mayya Tokman

The possibility to observe vacuum electron-positron pair creation due to a powerful optical laser pulse is discussed. We employ a quantum kinetic formulation of the problem with a source term describing the vacuum pair production in a…

Plasma Physics · Physics 2007-05-23 D. B. Blaschke , A. V. Prozorkevich , S. A. Smolyansky , A. V. Tarakanov

An effective nucleon-nucleon interaction calculated in nuclear matter from the Bonn potential has been parametrized in terms of a local density- and energy-dependent two-body interaction. This allows to calculate the real part of the…

Nuclear Theory · Physics 2009-10-30 G. Bartnitzky , H. Clement , P. Czerski , H. Müther , F. Nuoffer , J. Siegler

I present a review of Big Bang Nucleosynthesis, concentrating on the statistical analysis of theoretical uncertainties, and on systematic errors in observed abundances. Both have important implications for constraints on the amount of…

Astrophysics · Physics 2008-02-03 Lawrence M. Krauss

A new electron acceleration mechanism is identified that develops when a relativistically intense laser irradiates the wedge of an over-dense plasma. This induces a diffracted electromagnetic wave with a significant longitudinal electric…

Plasma Physics · Physics 2022-02-17 S. Marini , P. S. Kleij , M. Grech , M. Raynaud , C. Riconda

We calculate the evolution of the early universe through the epochs of weak decoupling, weak freeze-out and big bang nucleosynthesis (BBN) by simultaneously coupling a full strong, electromagnetic, and weak nuclear reaction network with a…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 E. Grohs , G. M. Fuller , C. T. Kishimoto , M. W. Paris , A. Vlasenko

We explore the viability of a boson dark matter candidate with an asymmetry between the number densities of particles and antiparticles. A simple thermal field theory analysis confirms that, under certain general conditions, this component…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 Anthony Aguirre , Alberto Diez-Tejedor

Modification of nuclear reactions due to impurities in plasma is investigated. The hindering effect of Coulomb repulsion between reacting particles, that is effective in direct reactions, can practically disappear if Coulomb interaction of…

General Physics · Physics 2018-01-16 Péter Kálmán , Tamás Keszthelyi

Screening in plasma with Bose-Einstein condensate is studied. Finite temperature effects are taken into account. It is shown that, due to condensate effects, the potential has several unusual features. It contains two oscillating terms, one…

High Energy Physics - Theory · Physics 2012-09-18 Angela Lepidi

Dense quantum plasmas are ubiquitous in planetary interiors and in compact astrophysical objects, in semiconductors and micro-mechanical systems, as well as in the next generation intense laser-solid density plasma interaction experiments…

Plasma Physics · Physics 2015-05-13 Padma K. Shukla , Bengt Eliasson

The hyperon potential, particularly its behavior at high densities, is crucial for resolving the ``hyperon puzzle'' in neutron stars and for advancing our understanding of the strong interactions between strange and non-strange particles in…

Nuclear Theory · Physics 2025-05-20 Gao-Chan Yong

We investigate effects of strong interactions on the electromagnetic dissociation of nuclei in heavy ion collisions. We start from the eikonal approach to the equivalent photon method to describe the electromagnetic contributions to the…

Nuclear Theory · Physics 2011-07-19 A. Muendel , G. Baur

We present an approach which allows the consistent treatment of bound states in the context of the dc conductivity in dense partially ionized noble gas plasmas. Besides electron-ion and electron-electron collisions, further collision…

Plasma Physics · Physics 2017-08-02 Sebastian Rosmej , Heidi Reinholz , Gerd Röpke