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The first large-scale simulations of continuously driven, two-dimensional electromagnetic strong plasma turbulence are performed, for electron thermal speeds 0.01 c ⩽ v ⩽ 0.57 c 0.01 c ⩽ v ⩽ 0.57 c , by integrating the Zakharov equations for coupled Langmuir and transverse ( T ) ( T )...
It is well known that the plasma equations, with or without a magnetic field present, have a singularity at the point where the ions reach the ion sound speed. In his comment to our paper, J. E. Allen Phys. Plasmas 14 , 024701 ( 2007 ) tries to explain that phenomenon by claiming that the...
For the first time, nonconstant space potential ϕ s ϕ s and electron density n e n e on magnetic surfaces of helical nonneutral plasmas are observed experimentally. The variation of ϕ s ϕ s grows with increasing electron injection energy, implying that thermal effects are important when...
The effect of sheared flow on a magnetic island is examined. In contrast to the density and temperature gradients which are flattened for sufficiently wide islands, it is found that the velocity gradient persists inside the separatrix whenever the constant- ψ ψ approximation is satisfied. It...
The Weibel instability in an unmagnetized plasma is investigated for non-Maxwellian distribution functions. In particular, analytical expressions are derived for the real and imaginary parts of the dielectric constant for the Maxwellian, kappa ( κ ) ( κ ) , and ( r , q ) ( r , q ) distribution...
Low-adiabat (high-compressibility) implosions were performed with ∼ 860 μ m diam ∼ 860 μ m diam , 24- and 35- μ m μ m -thick shells filled with 15 atm 15 atm of D 2 D 2 gas driven with ∼ 12.5 ∼ 12.5 kJ, 3-ns-square pulse shapes, and a laser intensity of ∼ 2×10 14 W /cm 2 ∼ 2 ×...
The effects of supercompressed and partially degenerate electron fluid on projectile energy loss of laser produced relativistic electron beams (REBs) in the MeV range are investigated. Partial degeneracy is shown to affect significantly the REB stopping power for 0.2 ≤ θ = T / T F ≤ 1 0.2...
The physical basis for the Lorenz equations for convective cells in stratified fluids, and for magnetized plasmas imbedded in curved magnetic fields, are reexamined with emphasis on anomalous transport. It is shown that the Galerkin truncation leading to the Lorenz equations for the closed...
The mass ablation phase of a wire-array Z pinch is investigated using steady-state ( r , θ ) ( r , θ ) simulations. By identifying the dominant physical mechanisms governing the ablation process, a simple scaling relation is derived for the mass ablation rate m ̇ with drive current I I , in...
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