Spontaneous thermal waves in a magnetized plasma

D. C. Pace; M. Shi; J. E. Maggs; G. J. Morales; T. A. Carter

doi:10.1103/PhysRevLett.101.035003

Spontaneous thermal waves in a magnetized plasma

D. C. Pace, M. Shi, J. E. Maggs, G. J. Morales, T. A. Carter

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Abstract

Coherent temperature oscillations corresponding to thermal (diffusion) waves are observed to be spontaneously excited in a narrow temperature filament embedded in a large, but colder, magnetized plasma. The parallel and transverse propagation properties of the waves satisfy the predictions of the classical transport theory based on Coulomb collisions. The frequency of the oscillations meets the conditions for a quarter-wave thermal resonator. This is the plasma version of thermal resonators used in the study of other states of matter.

Original language	English
Article number	035003
Journal	Physical Review Letters
Volume	101
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.101.035003
State	Published - Jul 18 2008
Externally published	Yes

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10.1103/PhysRevLett.101.035003

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title = "Spontaneous thermal waves in a magnetized plasma",

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AU - Shi, M.

AU - Maggs, J. E.

AU - Morales, G. J.

AU - Carter, T. A.

PY - 2008/7/18

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AB - Coherent temperature oscillations corresponding to thermal (diffusion) waves are observed to be spontaneously excited in a narrow temperature filament embedded in a large, but colder, magnetized plasma. The parallel and transverse propagation properties of the waves satisfy the predictions of the classical transport theory based on Coulomb collisions. The frequency of the oscillations meets the conditions for a quarter-wave thermal resonator. This is the plasma version of thermal resonators used in the study of other states of matter.

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Spontaneous thermal waves in a magnetized plasma

Abstract

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