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Thermodynamics of Plasmas workshop

5–7 Oct 2026
EPFL
Europe/Zurich timezone

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Session

Universal equilibria

Universal equilibria
6 Oct 2026, 10:00
Bernoulli center (EPFL)

Bernoulli center

EPFL

GA 3 34 (Building GA) Station 5 CH-1015 Ecublens Switzerland Coordinates on Google Maps: https://maps.app.goo.gl/TSx44GXiANdZa9KB9

Conveners

Universal equilibria: Universal equilibria

  • Ralf Johannes Josephus Mackenbach (EPFL-SPC)

Presentation materials

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  1. 36. Relaxation to universal non-Maxwellian equilibria
    Dr Robert Ewart (Stanford University)
    06/10/2026, 10:00
    Main track
    Oral presentation

    We review the Lynden-Bell formalism of deriving maximum entropy states subject to the short-time conservation of certain (fragile) collisionless invariants. The conservation of these collisionless invariants endows the system with a partial “memory” of its prior conditions but is fragile precisely due to the development of a turbulent cascade to small scales, which breaks the precise...

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  2. 11. Non-thermal particle acceleration in multi-species kinetic plasmas: universal power-law distribution functions and temperature inversion in the solar corona
    Uddipan Banik (Institute for Advanced Study)
    06/10/2026, 10:40
    Main track
    Oral presentation

    Non-thermal power-law distribution functions are ubiquitous in astrophysical, space, and laboratory kinetic plasmas, but their origin remains unclear. A related puzzle is the temperature inversion of the solar corona. We show that these phenomena are deeply connected by developing a self-consistent quasilinear theory for electromagnetically driven, unmagnetized kinetic plasmas. The theory...

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  3. 15. Dynamical Accessibility of Phase-Space Holes and Gravity Cusps in One-Dimensional Vlasov-Poisson Dynamics
    Dr W Sengupta
    06/10/2026, 11:50
    Main track
    Oral presentation

    The dynamical accessibility of a quasistationary state from the infinitely many formal equilibria of the Vlasov-Poisson system is addressed. We give a first-principles asymptotic selection theory for Bernstein-Greene-Kruskal (BGK) holes produced by two-stream relaxation and cold gravitational clumps produced by collisionless collapse. The analytic construction rests on two central ideas....

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