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Related papers: Quantum effects on plasma screening for thermonucl…

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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

The plasma screening model, taking into account the electronic exchange-correlation effects and the ionic non-ideality in dense quantum plasmas, is presented. This model can be used as an input in various plasma interaction models to…

Plasma Physics · Physics 2024-10-10 S. K. Kodanova , T. S. Ramazanov , M. K. Issanova

The triple alpha reaction is a key to $^{12}$C production and is expected to occur in weakly-coupled, thermal plasmas as encountered in normal stars. We investigate how Coulomb screening affects the structure of a system of three alpha…

Nuclear Theory · Physics 2020-06-11 Lai Hnin Phyu , H. Moriya , W. Horiuchi , K. Iida , K. Noda , M. T. Yamashita

The electron-screening acceleration of laboratory fusion reactions at astrophysical energies is an unsolved problem of great importance to astrophysics. That effect is modeled here by considering the fusion of hydrogen-like atoms whose…

Nuclear Theory · Physics 2009-11-06 Theodore E. Liolios

We evaluate the effect of electrostatic screening by ions and electrons on low-Z thermonuclear reactions in the sun. We use a mean field formalism and calculate the electron density of the screening cloud using the appropriate density…

Astrophysics · Physics 2008-11-26 Andrei V. Gruzinov , John N. Bahcall

A quantitative description of the properties of hot nuclear matter will be needed for the interpretation of the available and forthcoming astrophysical data, providing information on the post merger phase of a neutron star coalescence. We…

Nuclear Theory · Physics 2022-11-30 Lucas Tonetto , Omar Benhar

Aneutronic and nonradioactive properties make the proton-boron fusion a prospective candidate for fusion energy production through reactions following p+$^{11}$B$\rightarrow$3${\alpha}$ (p-$^{11}$B). However, it is difficult to achieve a…

The first excited $J^\pi=0^+$ state of $^{12}$C, the so-called Hoyle state, plays an essential role in a triple-$\alpha$ ($^4$He) reaction, which is a main contributor to the synthesis of $^{12}$C in a burning star. We investigate the…

Nuclear Theory · Physics 2021-05-10 Lai Hnin Phyu , H. Moriya , W. Horiuchi , K. Iida , K. Noda , M. T. Yamashita

This work presents accurate {\it ab initio} investigations of various spectroscopic properties of a few Li-like ions in presence of a plasma environment within the Debye screening potential. The coupled-cluster theory in the relativistic…

Atomic Physics · Physics 2013-06-05 Pradip Kumar Mondal , Narendra Nath Dutta , Gopal Dixit , Sonjoy Majumder

The importance of nuclear reactions in low-density astrophysical plasmas with ion temperatures $T \geq 10^{10}$ K has been recognized for more than thirty years. However, the lack of comprehensive data banks of relevant nuclear reactions…

Solar and Stellar Astrophysics · Physics 2012-02-15 Ervin Kafexhiu , Felix Aharonian , Gabriela Vila

The enhancement factor of the resonant thermonuclear reaction rates is calculated for the extremely dense stellar plasmas in the liquid phase. In order to calculate the enhancement factor we use the screening potential which is deduced from…

Astrophysics · Physics 2008-11-26 Naoki Itoh , Nami Tomizawa , Shinya Wanajo , Satoshi Nozawa

In strong electromagnetic fields, new plasma phenomena and applications emerge, whose modeling requires analytical theories and numerical schemes that I will develop in this thesis. Based on my new results of the classical plasma model, the…

Plasma Physics · Physics 2018-08-21 Yuan Shi

The effect of autoionizing resonances in atomic systems and processes is reviewed. Theoretical framework for treating resonances in the coupled channel approximation using the R-matrix method, as well as approximations related to plasma…

High Energy Astrophysical Phenomena · Physics 2024-05-16 Anil Pradhan

The behavior of H-like ions embedded in astrophysical plasmas in the form of \emph{dense, strongly and weakly coupled} plasmas are investigated. In these, the increase and decrease in temperature is impacted with a change in confinement…

Plasma Physics · Physics 2022-05-20 Neetik Mukherjee , Chandra Nath Patra , Amlan K. Roy

In strong electromagnetic fields, unique plasma phenomena and applications emerge, whose description requires recently developed theories and simulations [Y. Shi, Ph.D. thesis, Princeton University (2018)]. In the classical regime, to…

Plasma Physics · Physics 2021-04-21 Yuan Shi , Hong Qin , Nathaniel J. Fisch

We present the results of kinetic modelling of quantum effects in laser-beam interaction. In the developed numerical model, electron-positron pair production by hard photons, hard photon emission and the electromagnetic fields generated by…

Plasma Physics · Physics 2015-05-27 Evgeny Nerush , Igor Kostyukov

The formation of binary correlations in plasma is studied from the quantum kinetic equation. It is shown that this formation is much faster than dissipation due to collisions, in hot (dense) plasma the correlations form on the timescale of…

Strongly Correlated Electrons · Physics 2007-05-23 Klaus Morawetz , Václav Špička , Pavel Lipavský

Screening effects of electrons on inhomogeneous nuclear matter, which includes spherical, slablike, and rodlike nuclei as well as spherical and rodlike nuclear bubbles, are investigated in view of possible application to cold neutron star…

Nuclear Theory · Physics 2009-11-10 Gentaro Watanabe , Kei Iida

The dynamics of entanglement during the low energy scattering processes in bipartite systems at the presence of a laser field is studied, using the Kramers-Henneberger unitary transformation as the semi classical counterpart of the…

Plasma Physics · Physics 2020-01-16 R. RoozehdarMogaddam , N. SepehriJavan , K. Javidan , H. Mohammadzadeh

Recently, a theoretical investigation of the collective and nonlocal quantum effects has been carried out within the framework of a quantum approach to the relativistic charged particle beam travelling in a cold, collisionless, strongly…

Accelerator Physics · Physics 2013-09-26 F. Tanjia , R. Fedele , S. De Nicola , D. Jovanovic , A. Mannan