Generation of High-Intensity Laser Pulses and their Applications

Jeong, Tae Moon; Lee, Jongmin

doi:10.5772/64526

Cited by 3 publications

(2 citation statements)

References 31 publications

(45 reference statements)

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“…Recent investigations stipulate that currently available laser intensity is as high as above 10 24 W cm 2 (Jeong & Lee 2016). In the laser-plasma interactions, the electrons (and also protons) at these high intensities may no longer be non-relativistic but are forced to accelerate with velocities close to the speed of light in vacuum.…”

Section: Introductionmentioning

confidence: 99%

Stability and evolution of electromagnetic solitons in relativistic degenerate laser plasmas

Roy

Misra

2020

J. Plasma Phys.

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The dynamical behaviours of electromagnetic (EM) solitons formed due to nonlinear interaction of linearly polarized intense laser light and relativistic degenerate plasmas are studied. In the slow-motion approximation of relativistic dynamics, the evolution of weakly nonlinear EM envelope is described by the generalized nonlinear Schrödinger (GNLS) equation with local and nonlocal nonlinearities. Using the Vakhitov–Kolokolov criterion, the stability of an EM soliton solution of the GNLS equation is studied. Different stable and unstable regions are demonstrated with the effects of soliton velocity, soliton eigenfrequency, as well as the degeneracy parameter $R=p_{Fe}/m_ec$ , where $p_{Fe}$ is the Fermi momentum and $m_e$ the electron mass and $c$ is the speed of light in vacuum. It is found that the stability region shifts to an unstable one and is significantly reduced as one enters from the regimes of weakly relativistic $(R\ll 1)$ to ultrarelativistic $(R\gg 1)$ degeneracy of electrons. The analytically predicted results are in good agreement with the simulation results of the GNLS equation. It is shown that the standing EM soliton solutions are stable. However, the moving solitons can be stable or unstable depending on the values of soliton velocity, the eigenfrequency or the degeneracy parameter. The latter with strong degeneracy $(R>1)$ can eventually lead to soliton collapse.

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Section: Introductionmentioning

confidence: 99%

Stability and evolution of electromagnetic solitons in relativistic degenerate laser plasmas

Roy

Misra

2020

J. Plasma Phys.

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“…Recent investigations stipulate that currently available laser intensity is as high as above 10 24 W/cm 2 [4]. In the laser-plasma interactions, the electrons (and also protons) at these high intensities may no longer be nonrelativistic but are forced to accelerate with velocities close to the speed of light in vacuum.…”

Section: Introductionmentioning

confidence: 99%

Stability and evolution of electromagnetic solitons in relativistic degenerate laser plasmas

Roy,

Misra

2020

Preprint

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The dynamical behaviors of electromagnetic (EM) solitons formed due to nonlinear interaction of linearly polarized intense laser light and relativistic degenerate plasmas are studied. In the slow motion approximation of relativistic dynamics, the evolution of weakly nonlinear EM envelope is described by the generalized nonlinear Schrödinger (GNLS) equation with local and nonlocal nonlinearities. Using the Vakhitov-Kolokolov criteria, the stability of an EM soliton solution of the GNLS equation is studied. Different stable and unstable regions are demonstrated with the effects of soliton velocity, soliton eigenfrequency, as well as the degeneracy parameter R = pF e/mec, where pF e is the Fermi momentum and me the electron mass, and c is the speed of light in vacuum. It is found that the stability region shifts to an unstable one and is significantly reduced as one enters from the regimes of weakly relativistic (R ≪ 1) to ultrarelativistic (R ≫ 1) degeneracy of electrons. The analytically predicted results are in good agreement with the simulation results of the GNLS equation. It is shown that the standing EM soliton solutions are stable. However, the moving solitons can be stable or unstable depending on the values of soliton velocity, the eigenfrequency or the degeneracy parameter. The latter with strong degeneracy (R > 1) can eventually lead to soliton collapse.

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Nonlinear electrodynamics for the vacuum of Dirac materials: Photon magnetic properties and radiation pressures

Jorge,

Martínez,

Querts

2024

Phys. Rev. A

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We investigate the magnetic properties of photons propagating through Dirac materials in a magnetic field, considering both vacuum and medium contributions. Photon propagation properties are obtained through a second-order expansion of nonlinear Euler-Heisenberg electrodynamics at finite density and temperature considering Dirac material parameters (Dirac fine structure constant, band gap, and Fermi velocity). Total magnetization (including electron and photon contributions) and photon-effective magnetic moment are computed. Observables such as photon energy density, radiation pressure, and Poynting vector are obtained by an average of components of the energy-momentum tensor. All quantities are expressed in terms of Lagrangian derivatives. Those related to the vacuum are valid for any value of the external magnetic field, and both the weak- and strong-field limits are recovered. We discuss some ideas of experiments that may contribute to testing in Dirac materials the phenomenology of the strong magnetic field in the quantum electrodynamic (QED) vacuum and how nonlinear corrections on the magnetization, radiation pressure, and birefringence are amplified up to 103 times QED corrections. Published by the American Physical Society 2024

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Generation of High-Intensity Laser Pulses and their Applications

Cited by 3 publications

References 31 publications

Stability and evolution of electromagnetic solitons in relativistic degenerate laser plasmas

Stability and evolution of electromagnetic solitons in relativistic degenerate laser plasmas

Stability and evolution of electromagnetic solitons in relativistic degenerate laser plasmas

Nonlinear electrodynamics for the vacuum of Dirac materials: Photon magnetic properties and radiation pressures

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