Two component boson–fermion plasma at finite temperature

Riccardo Fantoni ()
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Riccardo Fantoni: Dipartimento di Fisica, Università di Trieste, strada Costiera 11, 34151 Grignano (Trieste), Italy

International Journal of Modern Physics C (IJMPC), 2018, vol. 29, issue 03, 1-11

Abstract: We discuss thermodynamic stability of neutral real (quantum) matter from the point of view of a computer experiment at finite, nonzero, temperature. We perform (restricted) path integral Monte Carlo simulations of the two component plasma where the two species are both bosons, both fermions, and one boson and one fermion. We calculate the structure of the plasma and discuss about the formation of binded couples of oppositely charged particles. The purely bosonic case is thermodynamically unstable. In this case we find an undetermined size-dependent contact value unlike partial radial distribution function. For the purely fermionic case, we find a demixing transition with binding also of like species.

Keywords: Two component plasma; Monte Carlo simulation; finite temperature; restricted path integral; worm algorithm; fermions sign problem; structure; thermodynamic stability (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1142/S0129183118500286

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