Plasma oscillation
View article: Detection of Precursor Signatures to Plasma Instability via Emergent Field Correlation Dynamics
Detection of Precursor Signatures to Plasma Instability via Emergent Field Correlation Dynamics Open
We present a global plasma simulation designed to identify early precursor signatures preceding macroscopic plasma instability and collapse. Starting from high-entropy, magnetized plasma conditions, the system self-organizes into coherent …
View article: Detection of Precursor Signatures to Plasma Instability via Emergent Field Correlation Dynamics
Detection of Precursor Signatures to Plasma Instability via Emergent Field Correlation Dynamics Open
We present a global plasma simulation designed to identify early precursor signatures preceding macroscopic plasma instability and collapse. Starting from high-entropy, magnetized plasma conditions, the system self-organizes into coherent …
View article: Plasma in USP Field Theory: From Bound Electron Corridors to Free Δf Loops (Geometric Interpretation of Ionization and Conductive Matter)
Plasma in USP Field Theory: From Bound Electron Corridors to Free Δf Loops (Geometric Interpretation of Ionization and Conductive Matter) Open
In mainstream physics, plasma is defined as a state of matter where electrons detach from atoms and move freely as charged point particles. In USP Field Theory, plasma is instead interpreted as a geometric phase transition of electron reso…
View article: Plasma in USP Field Theory: From Bound Electron Corridors to Free Δf Loops (Geometric Interpretation of Ionization and Conductive Matter)
Plasma in USP Field Theory: From Bound Electron Corridors to Free Δf Loops (Geometric Interpretation of Ionization and Conductive Matter) Open
In mainstream physics, plasma is defined as a state of matter where electrons detach from atoms and move freely as charged point particles. In USP Field Theory, plasma is instead interpreted as a geometric phase transition of electron reso…
View article: Ion-beam driven dust-cyclotron and dust-lower-hybrid instabilities in nonthermal dusty magnetoplasmas with dust-charge fluctuation
Ion-beam driven dust-cyclotron and dust-lower-hybrid instabilities in nonthermal dusty magnetoplasmas with dust-charge fluctuation Open
We reveal a new dispersive dust-lower-hybrid (DLH)-like mode that can couple to modified dust-cyclotron (DC) waves in a dusty magnetoplasma by the influence of a streaming ion beam. Previous studies have overlooked such hybrid modes and th…
View article: Ion-beam driven dust-cyclotron and dust-lower-hybrid instabilities in nonthermal dusty magnetoplasmas with dust-charge fluctuation
Ion-beam driven dust-cyclotron and dust-lower-hybrid instabilities in nonthermal dusty magnetoplasmas with dust-charge fluctuation Open
We reveal a new dispersive dust-lower-hybrid (DLH)-like mode that can couple to modified dust-cyclotron (DC) waves in a dusty magnetoplasma by the influence of a streaming ion beam. Previous studies have overlooked such hybrid modes and th…
View article: Bridging the Gap Between the Earth's Ionosphere and Plasmasphere
Bridging the Gap Between the Earth's Ionosphere and Plasmasphere Open
Cold plasma distribution in the ionosphere‐plasmasphere system governs wave‐particle interactions, plasma energization and loss, and radio wave propagation. A longstanding observational gap at altitudes 800–8,000 km has largely prevented s…
View article: A Method for Solving Linearized Vlasov Equation for Low-Frequency Long-Wavelength Electromagnetic Modes in Inhomogeneous Plasmas
A Method for Solving Linearized Vlasov Equation for Low-Frequency Long-Wavelength Electromagnetic Modes in Inhomogeneous Plasmas Open
A method for solving linearized Vlasov equation for low-frequency, long-wavelength electromagnetic modes in magnetically confined inhomogeneous plasmas is described. The relevant non-local solution that includes the lowest-significant-orde…
View article: A Method for Solving Linearized Vlasov Equation for Low-Frequency Long-Wavelength Electromagnetic Modes in Inhomogeneous Plasmas
A Method for Solving Linearized Vlasov Equation for Low-Frequency Long-Wavelength Electromagnetic Modes in Inhomogeneous Plasmas Open
A method for solving linearized Vlasov equation for low-frequency, long-wavelength electromagnetic modes in magnetically confined inhomogeneous plasmas is described. The relevant non-local solution that includes the lowest-significant-orde…
View article: Kinetic Alfvén waves in the temperature anisotropic space plasma with a kappa-Maxwellian distribution
Kinetic Alfvén waves in the temperature anisotropic space plasma with a kappa-Maxwellian distribution Open
The dispersion and damping rate of kinetic Alfvén waves are studied in temperature anisotropic space plasma with kappa-Maxwellian distribution. Employing a kinetic approach, the wave frequency and damping rate of kinetic Alfvén waves and t…
View article: Kinetic Alfvén waves in the temperature anisotropic space plasma with a kappa-Maxwellian distribution
Kinetic Alfvén waves in the temperature anisotropic space plasma with a kappa-Maxwellian distribution Open
The dispersion and damping rate of kinetic Alfvén waves are studied in temperature anisotropic space plasma with kappa-Maxwellian distribution. Employing a kinetic approach, the wave frequency and damping rate of kinetic Alfvén waves and t…
View article: Solar Wind Penetration into Dusty Magnetospheres creates Electrostatic Waves and Structures
Solar Wind Penetration into Dusty Magnetospheres creates Electrostatic Waves and Structures Open
The low frequency electrostatic perturbations have been investigated in a bi ion plasma in the background of static dust. It is shown that the field aligned shear flow of both the ions produce low frequency electrostatic instabilities and …
View article: Optical Guiding of Relativistic Intense Lasers by Plasma Moiré Lattices
Optical Guiding of Relativistic Intense Lasers by Plasma Moiré Lattices Open
Moiré lattices are photonic lattices featuring moiré patterns.Quasiperiodic photonic moiré lattices possess flat energy bands,enabling the localization of the beam and long-distance optical guiding.However,intense lasers alter the induced …
View article: Plasma-astrophysical Mechanism as a Probe to Unravel the Nature of Polarized Pulsar Radio Emission
Plasma-astrophysical Mechanism as a Probe to Unravel the Nature of Polarized Pulsar Radio Emission Open
Despite numerous theories on pulsars, a consensus on a reliable emission mechanism explaining their diverse observational characteristics remains elusive. In this paper, we couple the plasma process of stimulated Raman scattering (SRS) wit…
View article: Dyakonov-Shur Instability in cylindrical Terahertz Field Effect Transistor with nonideal boundary condition
Dyakonov-Shur Instability in cylindrical Terahertz Field Effect Transistor with nonideal boundary condition Open
Abatract Terahertz (THz) plasma waves in field-effect transistors (FETs) have garnered significant attention in recent years due to their potential applications. This study investigates the instability of terahertz (THz) plasma waves in cy…
View article: The existence of non-resonant gyro lines and their detectability by Thomson scatter radars
The existence of non-resonant gyro lines and their detectability by Thomson scatter radars Open
Thomson scatter radars have successfully measured plasma parameters in the ionosphere for over 60 years. Fundamentally, the radars measure increased power returns when the Bragg scattering condition is met by a source of density fluctuatio…
View article: Data Sheet 1_The existence of non-resonant gyro lines and their detectability by Thomson scatter radars.docx
Data Sheet 1_The existence of non-resonant gyro lines and their detectability by Thomson scatter radars.docx Open
Thomson scatter radars have successfully measured plasma parameters in the ionosphere for over 60 years. Fundamentally, the radars measure increased power returns when the Bragg scattering condition is met by a source of density fluctuatio…
View article: Revisiting Bump‐on‐Tail Instability in Reduced Cairns and Reduced Vasyliunas‐Cairns Distributed Plasmas
Revisiting Bump‐on‐Tail Instability in Reduced Cairns and Reduced Vasyliunas‐Cairns Distributed Plasmas Open
Numerous spacecraft observations have revealed that particle velocity distributions in space plasmas often exhibit high‐energy tails, which can be effectively represented by non‐thermal models. In this study, the dispersion and damping cha…
View article: Indications of the Impact of the Influence of Large-Scale Atmospheric Disturbances on Quasiperiodic ELF/VLF Emissions Inside the Plasmasphere
Indications of the Impact of the Influence of Large-Scale Atmospheric Disturbances on Quasiperiodic ELF/VLF Emissions Inside the Plasmasphere Open
The models of excitation of quasiperiodic ELF/VLF emissions with spectral shape repetition periods from 10 to 300 s are discussed. The primary cause of quasiperiodic (QP) emissions is cyclotron instability of electron radiation belts. Rela…
View article: Plasma oscillations within Israel-Stewart theory
Plasma oscillations within Israel-Stewart theory Open
It is well known that, at zero wavenumber, the non-hydrodynamic frequencies of uncharged kinetic theory are purely imaginary. On the other hand, it was recently shown that, in resistive magnetohydrodynamics, the interplay between the Israe…
View article: Plasma oscillations within Israel-Stewart theory
Plasma oscillations within Israel-Stewart theory Open
It is well known that, at zero wavenumber, the non-hydrodynamic frequencies of uncharged kinetic theory are purely imaginary. On the other hand, it was recently shown that, in resistive magnetohydrodynamics, the interplay between the Israe…
View article: ALADIN ∞ C(t) — Derivation of the α-Effect from 43 Hz Plasma Oscillations
ALADIN ∞ C(t) — Derivation of the α-Effect from 43 Hz Plasma Oscillations Open
The 43 Hz electron oscillations in primordial plasma generate helical turbulence → α-effect → galactic magnetic fields. Full derivation — no random turbulence needed.
View article: ALADIN ∞ C(t) — Derivation of the α-Effect from 43 Hz Plasma Oscillations
ALADIN ∞ C(t) — Derivation of the α-Effect from 43 Hz Plasma Oscillations Open
The 43 Hz electron oscillations in primordial plasma generate helical turbulence → α-effect → galactic magnetic fields. Full derivation — no random turbulence needed.
View article: Plasmon Dispersion in Two-Dimensional Systems with Non-Coulomb Interaction
Plasmon Dispersion in Two-Dimensional Systems with Non-Coulomb Interaction Open
We theoretically study plasmon dispersion within the random-phase approximation in two-dimensional systems, including undoped and doped monolayer graphene at zero and finite temperatures, and hole- and electron-doped monolayer XSe (X=In,Ga…
View article: Excitation of Whistler‐Mode Waves by an Electron Temperature Anisotropy in a Laboratory Plasma
Excitation of Whistler‐Mode Waves by an Electron Temperature Anisotropy in a Laboratory Plasma Open
Naturally occurring whistler‐mode waves in near‐Earth space play a crucial role in accelerating electrons to relativistic energies and scattering them in pitch angle, driving their precipitation into Earth's atmosphere. Here, we report on …
View article: Optical Properties of Superconducting K$_{0.8}$Fe$_{1.7}$(Se$_{0.73}$S$_{0.27}$)$_2$ Single Crystals
Optical Properties of Superconducting K$_{0.8}$Fe$_{1.7}$(Se$_{0.73}$S$_{0.27}$)$_2$ Single Crystals Open
The optical properties of the superconducting K$_{0.8}$Fe$_{1.7}$(Se$_{0.73}$S$_{0.27}$)$_2$ single crystals with a critical temperature $T_c\approx 26$ K have been measured in the {\it ab} plane in a wide frequency range using both infrar…
View article: Tailored Three Dimensional Betatron Dynamics in UltraStable Hybrid Laser Plasma RF Accelerators
Tailored Three Dimensional Betatron Dynamics in UltraStable Hybrid Laser Plasma RF Accelerators Open
The detailed theoretical and numerical investigation of hybrid laser plasma RF accelerators, elucidating the mechanisms governing transverse beam dynamics, betatron polarization, and radiation reaction in ultra-relativistic electron bunche…
View article: Tailored Three Dimensional Betatron Dynamics in UltraStable Hybrid Laser Plasma RF Accelerators
Tailored Three Dimensional Betatron Dynamics in UltraStable Hybrid Laser Plasma RF Accelerators Open
The detailed theoretical and numerical investigation of hybrid laser plasma RF accelerators, elucidating the mechanisms governing transverse beam dynamics, betatron polarization, and radiation reaction in ultra-relativistic electron bunche…
View article: Analytical modeling and experimental verification of oscillatory ponderomotive instabilities in closed-loop superconducting rf cavities
Analytical modeling and experimental verification of oscillatory ponderomotive instabilities in closed-loop superconducting rf cavities Open
Superconducting radio-frequency (SRF) cavities with high-loaded-Q are susceptible to ponderomotive instabilities arising from nonlinear electromechanical coupling. Under low-level rf feedback control, stability analysis is challenging and …
View article: Magnetohydrodynamic instability modulated runaway electron losses in the ADITYA-U tokamak
Magnetohydrodynamic instability modulated runaway electron losses in the ADITYA-U tokamak Open
In the ADITYA-U tokamak, modulation in the Hard X-ray (HXR) emission from the limiter synchronous with a m/n = 2/1 tearing mode is observed during the flat-top and pre-disruption phases of a discharge with a significant runaway electron (R…