Results 31 to 40 of about 470,393 (245)

Enhancement of particle trapping in the wave-particle interaction

open access: yes, 2007
The saturated dynamics of a Single-Pass Free Electron Laser is considered within a simplified mean-field approach. A method is proposed to increase the size of the macro-particle, which is responsible for the oscillations of the intensity of the wave ...
Antoniazzi, Andrea   +4 more
core   +3 more sources

Studies of Single Component Fermi Gas near a $P$-wave Resonance with Lowest Order Constrained Variational Method [PDF]

open access: yes, 2018
We study single component Fermi gas near a $p$-wave resonance with the lowest order constrained variational (LOCV) method. We obtain the energy per particle for the ground state of single component Fermi gas near a $p$-wave resonance with LOCV method. We
Liu, Guangcun, Zhang, Yi-Cai
core   +2 more sources

A new single-particle basis for nuclear many-body calculations

open access: yes, 2017
Predominantly, harmonic oscillator single-particle wave functions are the choice as a basis in ab-initio nuclear many-body calculations. These wave-functions, although very convenient in order to evaluate the matrix elements of the interaction in the ...
Puddu, Giovanni
core   +1 more source

Beyond the relativistic mean-field approximation (II): configuration mixing of mean-field wave functions projected on angular momentum and particle number [PDF]

open access: yes, 2006
The framework of relativistic self-consistent mean-field models is extended to include correlations related to the restoration of broken symmetries and to fluctuations of collective variables.
D. A. Varshalovich   +8 more
core   +4 more sources

Disordered mesoscopic systems with interactions: induced two-body ensembles and the Hartree-Fock approach

open access: yes, 2004
We introduce a generic approach to study interaction effects in diffusive or chaotic quantum dots in the Coulomb blockade regime. The randomness of the single-particle wave functions induces randomness in the two-body interaction matrix elements.
Alhassid, Y.   +2 more
core   +1 more source

A two-step Monte Carlo algorithm for interaction between resonant ions and radio frequency waves

open access: yesFundamental Plasma Physics
This paper presents a new Monte Carlo algorithm intended for use in orbit following Monte Carlo codes (OFMC) to describe resonant interaction of ions with Radio Frequency (RF) waves in axi-symmetric toroidal plasmas.
T. Johnson, L.-G. Eriksson
doaj   +1 more source

Butterfly Distribution of Relativistic Electrons Driven by Parallel Propagating Lower Band Whistler Chorus Waves

open access: yesGeophysical Research Letters, 2022
We report results from a test particle simulation to reveal that electron scattering driven by lower band whistler chorus waves propagating along a magnetic field line plays an important role to produce the butterfly distribution of relativistic ...
S. Saito, Y. Miyoshi
doaj   +1 more source

Cosmic Ray transport through gyroresonance instability in compressible turbulence

open access: yes, 2011
We study the nonlinear growth of kinetic gyroresonance instability of cosmic rays (CRs) induced by large scale compressible turbulence. This feedback of cosmic rays on turbulence was shown to induce an important scattering mechanism in addition to direct
A. Lazarian   +17 more
core   +1 more source

dUTPase is essential in zebrafish development and possesses several single‐nucleotide variants with pronounced structural and functional consequences

open access: yesFEBS Open Bio, EarlyView.
dUTPases are involved in balancing the appropriate nucleotide pools. We showed that dUTPase is essential for normal development in zebrafish. The different zebrafish genomes contain several single‐nucleotide variations (SNPs) of the dut gene. One of the dUTPase variants displayed drastically lower protein stability and catalytic efficiency as compared ...
Viktória Perey‐Simon   +6 more
wiley   +1 more source

Unified Gas-kinetic Wave-Particle Methods II: Multiscale Simulation on Unstructured Mesh

open access: yes, 2019
In this paper, we present a unified gas-kinetic wave-particle (UGKWP) method on unstructured mesh for multiscale simulation of continuum and rarefied flow.
Aristov V. V.   +5 more
core   +1 more source

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