期刊
ENTROPY
卷 15, 期 3, 页码 1118-1134出版社
MDPI AG
DOI: 10.3390/e15031118
关键词
constants; fundamental; space plasma; thermodynamic properties of plasma
资金
- Interstellar Boundary Explorer, as a part of NASA's Explorer Program
In plasmas, Debye screening structures the possible correlations between particles. We identify a phase space minimum h(*) in non-equilibrium space plasmas that connects the energy of particles in a Debye sphere to an equivalent wave frequency. In particular, while there is no a priori reason to expect a single value of h* across plasmas, we find a very similar value of h(*) approximate to (7.5 +/- 2.4) x 10(-22) J.s using four independent methods: (1) Ulysses solar wind measurements, (2) space plasmas that typically reside in stationary states out of thermal equilibrium and spanning a broad range of physical properties, (3) an entropic limit emerging from statistical mechanics, (4) waiting-time distributions of explosive events in space plasmas. Finding a quasi-constant value for the phase space minimum in a variety of different plasmas, similar to the classical Planck constant but 12 orders of magnitude larger may be revealing a new type of quantization in many plasmas and correlated systems more generally.
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