Introduction to Plasma Physics and Controlled Fusion

Chen, Francis F.

doi:10.1007/978-3-319-22309-4

Cited by 477 publications

(434 citation statements)

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“…The expression in Eq. (95) coincides with the well-known polarization vector due to the electrostatic field and its time derivative yields the polarization current that is represented in terms of the charge density and the polarization drift (Chen 2015). It is shown by Brizard and Tronko (2011) using the push-forward transformation with the higher order correction term in the definition of the gyroradius vector that the contributions of the grad B and curvature gyrocenter drifts to the polarization, which are not included in the present work, appear.…”

Section: Governing Equations For Background and Perturbation Electromsupporting

confidence: 61%

Modern gyrokinetic formulation of collisional and turbulent transport in toroidally rotating plasmas

Sugama

2017

Rev. Mod. Plasma Phys.

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Collisional and turbulent transport processes in toroidal plasmas with large toroidal flows on the order of the ion thermal velocity are formulated based on the modern gyrokinetic theory. Governing equations for background and turbulent electromagnetic fields and gyrocenter distribution functions are derived from the Lagrangian variational principle with effects of collisions and external sources taken into account. Noether's theorem modified for collisional systems and the collision operator given in terms of Poisson brackets are applied to derivation of the particle, energy, and toroidal momentum balance equations in the conservative forms which are desirable properties for long-time global transport simulation. The resultant balance equations are shown to include the classical, neoclassical, and turbulent transport fluxes which agree with those obtained from the conventional recursive formulations.

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Section: Governing Equations For Background and Perturbation Electromsupporting

confidence: 61%

Modern gyrokinetic formulation of collisional and turbulent transport in toroidally rotating plasmas

Sugama

2017

Rev. Mod. Plasma Phys.

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“…Chen 1984;Bellan 2006). There are 'fast' phenomena that involve electron oscillation (with the ions stationary) and 'slow' phenomena that involve ion oscillation (with the electrons reaching equilibrium 'instantly' -i.e.…”

Section: Introductionmentioning

confidence: 99%

Debye length and plasma skin depth: two length scales of interest in the creation and diagnosis of laboratory pair plasmas

et al. 2017

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In traditional electron/ion laboratory plasmas, the system size L is much larger than both the plasma skin depth l s and the Debye length λ D . In current and planned efforts to create electron/positron plasmas in the laboratory, this is not necessarily the case. A low-temperature, low-density system may have λ D < L < l s ; a high-density, thermally relativistic system may have l s < L < λ D . Here we consider the question of what plasma physics phenomena are accessible (and/or diagnostically exploitable) in these different regimes and how this depends on magnetization. While particularly relevant to ongoing pair plasma creation experiments, the transition from single-particle behaviour to collective, 'plasma' effects -and how the criterion for that threshold is different for different phenomena -is an important but often neglected topic in electron/ion systems as well.

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“…The rails were aligned with the axis of the magnet such that the maximum offset between the laser beam and the detectors was 1.2 mm as the carts (with mounted chambers) were translated from their final position near the magnet to a distance~4 m away (along the entire length of the rails). Precise alignment of the mass spectrometer with the magnet is critical for efficient ion injection, and is more critical at higher magnetic field strength because of stronger magnetic mirror force [11].…”

Section: Ft-icr Mass Spectrometermentioning

confidence: 99%

21 Tesla Fourier Transform Ion Cyclotron Resonance Mass Spectrometer: A National Resource for Ultrahigh Resolution Mass Analysis

Hendrickson

Quinn

Kaiser

et al. 2015

J. Am. Soc. Mass Spectrom.

220

219

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Abstract. We describe the design and initial performance of the first 21 tesla Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometer. The 21 tesla magnet is the highest field superconducting magnet ever used for FT-ICR and features high spatial homogeneity, high temporal stability, and negligible liquid helium consumption. The instrument includes a commercial dual linear quadrupole trap front end that features high sensitivity, precise control of trapped ion number, and collisional and electron transfer dissociation. A third linear quadrupole trap offers high ion capacity and ejection efficiency, and rf quadrupole ion injection optics deliver ions to a novel dynamically harmonized ICR cell. Mass resolving power of 150,000 (m/Δm 50% ) is achieved for bovine serum albumin (66 kDa) for a 0.38 s detection period, and greater than 2,000,000 resolving power is achieved for a 12 s detection period. Externally calibrated broadband mass measurement accuracy is typically less than 150 ppb rms, with resolving power greater than 300,000 at m/z 400 for a 0.76 s detection period. Combined analysis of electron transfer and collisional dissociation spectra results in 68% sequence coverage for carbonic anhydrase. The instrument is part of the NSF High-Field FT-ICR User Facility and is available free of charge to qualified users.

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Introduction to Plasma Physics and Controlled Fusion

Cited by 477 publications

References 0 publications

Modern gyrokinetic formulation of collisional and turbulent transport in toroidally rotating plasmas

Modern gyrokinetic formulation of collisional and turbulent transport in toroidally rotating plasmas

Debye length and plasma skin depth: two length scales of interest in the creation and diagnosis of laboratory pair plasmas

21 Tesla Fourier Transform Ion Cyclotron Resonance Mass Spectrometer: A National Resource for Ultrahigh Resolution Mass Analysis

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