What question did this study set out to answer?

Investigate the generation, scaling laws, and decay mechanisms of long-lived, spatially extended gigagauss magnetic fields produced by petawatt laser pulses in underdense plasma.

January 30, 2023Scientific ReportsOpen Access

Generation of intense magnetic wakes by relativistic laser pulses in plasma

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Authors

MLMarcel Lamač UCUddhab Chaulagain JNJ. Nejdl

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Overview

Numerical modeling study demonstrates gigagauss magnetic wake generation in relativistic underdense plasma, highlighting vortex-driven decay mechanisms for laboratory astrophysics.

Key Points

Investigate the generation, scaling laws, and decay mechanisms of long-lived, spatially extended gigagauss magnetic fields produced by petawatt laser pulses in underdense plasma.
Conducted three-dimensional particle-in-cell simulations modeling the interaction of petawatt laser pulses with relativistically underdense plasma.
Performed a multi-parametric analysis evaluating magnetic field strength across varying dimensionless laser amplitudes and normalized plasma densities.
Generated magnetic fields scaling into the gigagauss range, with numerical outcomes confirming derived analytical scaling relations and aligning with previous experiments.
Revealed that magnetic wake dissipation in 3D geometry is driven by a current filament bending instability that behaves analogously to a von Kármán vortex street in its nonlinear regime.

Cite This Study

Lamač et al. (2023) studied this question.

synapsesocial.com/papers/69d815bb61e2ce1627d18be2 https://doi.org/10.1038/s41598-023-28753-3

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January 30, 2023Scientific ReportsOpen Access

Generation of intense magnetic wakes by relativistic laser pulses in plasma

View Full Paper

Ask AI

Bookmark

Authors

MLMarcel Lamač UCUddhab Chaulagain JNJ. Nejdl

Discussion

Member takes

Overview

Numerical modeling study demonstrates gigagauss magnetic wake generation in relativistic underdense plasma, highlighting vortex-driven decay mechanisms for laboratory astrophysics.

Key Points

Investigate the generation, scaling laws, and decay mechanisms of long-lived, spatially extended gigagauss magnetic fields produced by petawatt laser pulses in underdense plasma.
Conducted three-dimensional particle-in-cell simulations modeling the interaction of petawatt laser pulses with relativistically underdense plasma.
Performed a multi-parametric analysis evaluating magnetic field strength across varying dimensionless laser amplitudes and normalized plasma densities.
Generated magnetic fields scaling into the gigagauss range, with numerical outcomes confirming derived analytical scaling relations and aligning with previous experiments.
Revealed that magnetic wake dissipation in 3D geometry is driven by a current filament bending instability that behaves analogously to a von Kármán vortex street in its nonlinear regime.

Cite This Study

Lamač et al. (2023) studied this question.

synapsesocial.com/papers/69d815bb61e2ce1627d18be2 https://doi.org/10.1038/s41598-023-28753-3

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