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Related papers: Quantum effects on plasma screening for thermonucl…

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Final-state interaction and screening have a great influence on $q \bar q$ production cross sections, which are important quantities in many problems in quark-gluon plasma physics. They lead to an enhancement of the cross section for a $q…

High Energy Physics - Phenomenology · Physics 2022-02-23 Cheuk-Yin Wong , Lali Chatterjee

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

With the aid of large-scale three-dimensional QED-PIC simulations, we describe a realistic experimental configuration to measure collective effects that couple strong field quantum electrodynamics to plasma kinetics. For two counter…

Plasma Physics · Physics 2015-05-20 Peng Zhang , A. G. R. Thomas , C. P. Ridgers

In the hot, dense plasma of solar and stellar interiors, Coulomb potentials are screened, resulting in increased nuclear reaction rates. Although Salpeter's approximation for static screening is widely accepted and used in stellar modeling,…

Solar and Stellar Astrophysics · Physics 2011-02-11 Dan Mao , Katie Mussack , Werner Däppen

The year 2025 had been designated by UNESCO as the International Year of Quantum Science and Technology. 125 years ago Max Planck's discovery of radiation quanta started the quantum era and 100 years ago quantum mechanics was discovered by…

A new model to study the dynamics of relativistic quantum plasmas using the quantum electrodynamical (QED) approach has been constructed to analyze the quantum effects, relativistic corrections, and electromagnetic interactions. Considering…

Plasma Physics · Physics 2025-04-17 Priya Mishra , Punit Kumar

A quantum kinetic theory for correlated charged-particle systems in strong time-dependent electromagnetic fields is developed. Our approach is based on a systematic gauge-invariant nonequilibrium Green's functions formulation. Extending our…

Statistical Mechanics · Physics 2015-06-25 M. Bonitz , Th. Bornath , D. Kremp , M. Schlanges , W. D. Kraeft

Laser interaction with uniform and nanostructured near-critical plasmas has been investigated by means of 2D particle-in-cell simulations. The effect of a nanostructure (modeled as a collection of solid-density nanospheres) on energy…

Plasma Physics · Physics 2017-11-21 Luca Fedeli , Arianna Formenti , Carlo Enrico Bottani , Matteo Passoni

Interaction of ultera-short laser pulses with a dense cold plasma is investigated. Due to high density, of plasma, quantum effects such that Bohm potential and quantum pressure should be considered. The results reveal that electron density…

Plasma Physics · Physics 2019-04-02 Sepideh Dashtestani , Hamidreza Mohammadi

Nuclear fusion reactions are the most important processes in nature to power stars and produce new elements, and lie at the center of the understanding of nucleosynthesis in the universe. It is critically important to study the reactions in…

Detailed calculations of the contribution from off-shell effects to the quasiclassical tunneling of fusing particles are provided. It is shown that these effects change the Gamow rates of certain nuclear reactions in dense plasma by several…

Statistical Mechanics · Physics 2009-10-31 V. I. Savchenko

We analyze thermonuclear and pycnonuclear fusion reactions in dense matter containing atomic nuclei of different types. We extend a phenomenological expression for the reaction rate, proposed recently by Gasques et al. (2005) for the…

Astrophysics · Physics 2009-11-11 D. G. Yakovlev , L. R. Gasques , M. Beard , M. Wiescher , A. V. Afanasjev

The standard theory of nuclear fusion rates in a strongly interacting plasma can be (correctly) derived only when the energy release, Q, is large compared to other energies in the problem. We exhibit a result for rates that provides a basis…

Solar and Stellar Astrophysics · Physics 2010-05-25 R. F. Sawyer

We discuss quantum effects in the diffusion process which is used to describe the shape evolution from the touching configuration of fusing two nuclei to a compound nucleus. Applying the theory with quantum effects to the case where the…

Nuclear Theory · Physics 2009-11-11 Kouhei Washiyama , Bulent Yilmaz , Sakir Ayik , Noboru Takigawa

The effects of the highly damped modes in the energy and reaction rates in a plasma are discussed. These modes, with wavenumbers $k \gg k_{D}$, even being only weakly excited, with less than $k_{B}T$ per mode, make a significant…

Astrophysics · Physics 2008-11-26 Merav Opher , Luis O. Silva , Dean E. Dauger , Viktor K. Decyk , John M. Dawson

Self-consistent strong plasma screening around light nuclei is implemented in the Big Bang nucleosynthesis (BBN) epoch to determine the short-range screening potential, $e\phi(r)/T \geq 1$, relevant for thermonuclear reactions. We…

Nuclear Theory · Physics 2025-12-23 Christopher Grayson , Cheng Tao Yang , Martin Formanek , Johann Rafelski

We develop a series expansion of the plasma screening length away from the classical limit in powers of $\hbar^{2}$. It is shown that the leading order quantum correction increases the screening length in solar conditions by approximately…

Astrophysics · Physics 2008-11-26 Shirish M. Chitanvis

We demonstrate that in the interaction of a high-power laser pulse with a structured solid-density plasma-channel, clear quantum signatures of stochastic radiation emission manifest, disclosing a novel avenue to studying the quantized…

Plasma Physics · Physics 2020-05-05 F. Mackenroth , Z. Gong , A. V. Arefiev

Hot, dense plasmas exhibit screened Coulomb interactions, resulting from the collective effects of correlated many-particle interactions. In the lowest particle correlation order (pair-wise correlations), the interaction between charged…

Atomic Physics · Physics 2016-11-29 R. K. Janev , Song Bin Zhang , Jian Guo Wang

The effect of plasma environment on the atomic energy levels of He-like and Li-like Mg and Fe ions have been studied using Debye model. The equation-of-motion coupled-cluster (EOMCC) and Fock-space coupled-cluster (FSCC) formalisms in the…

Atomic Physics · Physics 2017-01-04 B. K. Sahoo , Madhulita Das