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Electron Acoustic Solitary structures in Fermi Plasma with two temperature electrons have various applications in space and laboratory-made plasma. Formulation of an adequate theory is important to understand various physical systems with…

等离子体物理 · 物理学 2020-12-29 Tamal Ghosh , Suman Pramanick , Soumya Sarkar , Ankita Dey , Swarniv Chandra

We study the two component Fermi plasma. Two components are electrons and ions. Using the Quantum-Hydrodynamic model (QHD), we study the linear properties of electrostatic wave. We derive the linear dispersion relation for the system from…

等离子体物理 · 物理学 2021-01-05 Shraddha Sahana , Spandita Mitra , Swarniv Chandra , Suman Pramanick

The propagation of an electrostatic wave in a three-component e-p-I astrophysical quantum plasma in a rotating frame has been studied, taking into account the particle spin, Fermi pressure, and quantum Bohm potential. Spin polarization…

等离子体物理 · 物理学 2025-04-09 Atherv Saxena , Punit Kumar

Surface modes are coupled electromagnetic/electrostatic excitations of free electrons near the vacuum-plasma interface and can be excited on a sufficiently dense plasma half-space. They propagate along the surface plane and decay in either…

等离子体物理 · 物理学 2009-11-13 M. Lazar , P. K. Shukla , A. Smolyakov

We examine the properties of linear electrostatic waves in unmagnetized quantum and classical plasmas consisting of one or two populations of electrons with analytically tractable distribution functions in the presence of a stationary…

等离子体物理 · 物理学 2018-09-12 Shane Rightley , Dmitri Uzdensky

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…

等离子体物理 · 物理学 2025-04-17 Priya Mishra , Punit Kumar

Recently, Yan-Xia Xu, et al. in the article Ref. [Phys. Plasmas \textbf{18}, 052301 (2011)] have studied the effects of various plasma parameters on interaction of two ion-acoustic solitary waves in an unmagnetized three-dimensional…

等离子体物理 · 物理学 2015-05-28 M. Akbari-Moghanjoughi

Quantum plasmas in astrophysical environments are abundant due to extreme electric, magnetic, and gravitational fields. These plasmas can be most clearly observed in neutron stars, white dwarfs, brown dwarfs, red dwarfs, accretion disks of…

等离子体物理 · 物理学 2025-04-08 Atherv Saxena , Sudeep Nadgambe , Rajan Mishra , Punit Kumar

Electron-acoustic solitary waves (EASWs) in quantum plasma comprising stationary ions, cold electrons, hot electrons, and kappa-distributed electrons have been investigated. The generalized Kappa-Fermi distribution has been modified to…

等离子体物理 · 物理学 2025-04-07 Aakanksha Singh , Punit Kumar

We investigate the nonlinear interaction between a relativistically strong laser beam and a plasma in the quantum regime. The collective behavior of the electrons is modeled by a Klein-Gordon equation, which is nonlinearly coupled with the…

等离子体物理 · 物理学 2011-07-26 Bengt Eliasson , Padma K. Shukla

Using the quantum magnetohydrodynamics (QMHD) model, linear dispersion of magnetosonic waves are studied in a quasineutral quantum electron-ion plasma in two distinct regimes of nonrelativistic and relativistic degeneracies considering also…

等离子体物理 · 物理学 2015-06-04 M. Akbari-Moghanjoughi

In this paper we use the conventional quantum hydrodynamics (QHD) model in combination with the Sagdeev pseudopotential method to explore the effects of Thomas-Fermi nonuniform electron distribution, Coulomb interactions, electron exchange…

太阳与恒星天体物理 · 物理学 2015-06-04 M. Akbari-Moghanjoughi

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,…

天体物理学 · 物理学 2008-11-26 M. Marklund , D. D. Tskhakaya , P. K. Shukla

The study of electron acoustic waves (EAWs) and their associated solitary structure in semiconductor quantum plasma doped with nanoparticle clusters have been carried out. The system consists of cold and hot electrons, holes, and stationary…

等离子体物理 · 物理学 2025-04-07 Abhishek Yadav , Punit Kumar

Suprathermal electrons and inertial drifting electrons, so called electron beam, are crucial to the nonlinear dynamics of electrostatic solitary waves observed in several astrophysical plasmas. In this paper, the propagation of…

等离子体物理 · 物理学 2018-04-27 Ashkbiz Danehkar

Propagation of dressed solitary excitations are studied in a partially degenerate quantum plasma in the framework of quantum-hydrodynamics (QHD) model using multiple scales technique. The evolution equation together with a linear…

太阳与恒星天体物理 · 物理学 2015-05-30 M. Akbari-Moghanjoughi

In this paper we explicate a method of magneto quantum hydrodynamics (MQHD) for the study of the quantum evolution of a system of spinning fermions in an external electromagnetic field. The fundamental equations of microscopic quantum…

等离子体物理 · 物理学 2014-02-20 Mariya Ivanovna Trukhanova

A numerical fluid simulation investigation of the temporal evolution of a special class of traveling wave solution of the one dimensional relativistic cold plasma model is reported.The solutions consist of coupled electromagnetic and plasma…

等离子体物理 · 物理学 2009-11-11 Vikrant Saxena , Amita Das , Abhijit Sen , Predhiman Kaw

In this paper we apply quantum hydrodynamics (QHD) to study the quantum evolution of a system of spinning particles and particles that have the electric dipole moments EDM in the rotating reference frame. The method presented is based on…

等离子体物理 · 物理学 2016-12-21 Mariya Iv. Trukhanova

For quantum effects to be significant in plasmas it is often assumed that the temperature over density ratio must be small. In this paper we challenge this assumption by considering the contribution to the dynamics from the electron spin…

量子物理 · 物理学 2009-11-13 G. Brodin , M. Marklund , G. Manfredi
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