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Motivated by the need to predict plasma density and temperature distributions created in the early stages of high-intensity laser-plasma interactions, we develop a fluid model of plasma expansion into vacuum that incorporates external…

Plasma Physics · Physics 2026-02-10 Ritwik Sain , Lance Labun , Ou Z. Labun , Bjorn Manuel Hegelich

The temperature dependence of the optical properties of the delafossite PdCoO$_2$ has been measured in the a-b planes over a wide frequency range. The optical conductivity due to the free-carrier (intraband) response falls well below the…

Materials Science · Physics 2019-05-22 C. C. Homes , S. Khim , A. P. Mackenzie

Regular Einstein relation, connecting the coefficient of ambipolar diffusion and the Dember field with mobilities, is generalized for the case of interacting electron-hole plasma. The calculations are presented for a non-degenerate plasma…

Strongly Correlated Electrons · Physics 2015-05-14 A. L. Efros

The ion-electron coupling properties for a ion impurity in an electron gas and for a two component plasma are carried out on the basis of a regularized electron-ion potential removing the short-range Coulomb divergence. This work is largely…

Statistical Mechanics · Physics 2009-11-07 B Talin , E Dufour , A Calisti , M A Gigosos , M A Gonzalez , T del Rio Gaztelurrutia , J Dufty

Sub-picosecond coincidence timing from nonlocal intensity interference of entangled photons allows quantum interferometry for plasmas. Using a warm plasma dispersion relation, we correlate phase measurement sensitivity with different plasma…

Quantum Physics · Physics 2021-07-08 Zhehui Wang , Yanhua Shih

The electrical conductivity in dense plasmas can be calculated with the relaxation-time approximation provided that the interaction potential between the scattering electron and the ion is known. To date there has been considerable…

Plasma Physics · Physics 2017-10-25 C. E. Starrett

The optical potential of halo and weakly bound nuclei has a long range part due to the coupling to breakup that damps the elastic scattering angular distributions at all angles for which the effect of the nuclear interaction is felt. In…

Nuclear Theory · Physics 2009-11-07 Angela Bonaccorso , Florin Carstoiu

Atoms in spatially dependent light fields are attracted to local intensity maxima or minima depending on the sign of the frequency difference between the light and the atomic resonance. For light fields confined in open high-Q optical…

Quantum Physics · Physics 2019-08-05 Arthur Jungkind , Wolfgang Niedenzu , Helmut Ritsch

Plasma lensing events can have significant observational consequences, including flux density modulations and perturbations in pulse arrival times. In this paper we develop and apply a formalism that extends geometrical optics to describe…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-30 Gianfranco Grillo , James Cordes

We calculate the wavelength dependence of the ratio of the linear polarization degree to extinction (polarizing efficiency) $P(\lambda)/A(\lambda)$ from the ultraviolet to near-infrared. The prolate and oblate particles with aspect ratios…

Astrophysics · Physics 2009-11-13 N. V. Voshchinnikov , H. K. Das

Transport properties of the ionic component of dense plasmas are investigated on the basis of effective potentials taking into account the presence of an external alternating electrical (laser) field. The latter generates single particle…

Plasma Physics · Physics 2022-09-07 S. K. Kodanova , M. K. Issanova , G. K. Omiraliyeva , T. S. Ramazanov

Relevant uncertainties on theoretical atomic data are vital to determine the accuracy of plasma diagnostics in a number of areas including in particular the astrophysical study. We present a new calculation of the uncertainties on the…

High Energy Astrophysical Phenomena · Physics 2022-01-19 Liyi Gu , Chintan Shah , Ruitian Zhang

We investigate screening effects of the medium on the potential interaction between two static 'charges' for different models of dense plasmas in the one-boson exchange approximation. The potential can exhibit an oscillatory behavior, which…

High Energy Physics - Phenomenology · Physics 2009-10-31 Joaquin Diaz-Alonso , Armando Perez , Horacio D. Sivak

The electromagnetic instabilities excited by the temperature anisotropy have been always one of the interesting issues in real high-density physical systems, where the relativistic and quantum effects due to spin can be important. This…

Plasma Physics · Physics 2017-11-21 M. Mahdavi , H. Khanzadeh

Stabilizing plasma dynamics is a central challenge in magnetic confinement fusion. A common approach is to introduce external electric fields to suppress instabilities in the plasma distribution. However, efficiently identifying such…

Numerical Analysis · Mathematics 2026-04-15 Martin Guerra , Qin Li , Yukun Yue , Leonardo Zepeda-Núñez

We present in this article an optical potential for the $\pi$-nucleus interaction that can be used in various studies involving $\pi$-nucleus channels. Based on earlier treatments of the low energy $\pi$-nucleus optical potential, we have…

Nuclear Theory · Physics 2009-11-07 L. J. Abu-Raddad

The possibility of determining the magnitude of neutral atom density in hydrogen plasma was investigated using Paschen-Back effect and resonant Faraday rotation of the polarization plane of light by residual neutral atoms in the plasma. In…

Plasma Physics · Physics 2025-02-12 Koryun Oganesyan , Krzysztof Dzierzega , Ashot Gevorgyan , Peter Kopcansky

Far Infrared interferometry is the main diagnostics method for electron density measurements in medium sized tokamaks. The transverse density gradients of plasma produce refractive effect, and the probing radiation does not propagate along…

Plasma Physics · Physics 2025-01-31 Rajwinder Kaur , Asha Adhiya

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

Photons that decouple from a relativistic jet do so over a range of radii, which leads to a spreading in arrival times at the observer. Therefore, changes to the comoving photon distribution across the decoupling zone are encoded in the…

High Energy Astrophysical Phenomena · Physics 2024-07-15 Filip Alamaa
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