2-6 October 2023
Universidad de los Andes / Universidad Nacional de Colombia
America/Bogota timezone

No-Fusion and Fusion Process in Log-Coulomb Gases

6 Oct 2023, 15:20
20m
A1 - edificio 564 (Universidad Nacional de Colombia)

A1 - edificio 564

Universidad Nacional de Colombia

Oral Statistical Physics Contributed talks

Speaker

Mr John Fredy Mateus Rubio (Universidad de los Andes)

Description

We study the non-equilibrium dynamics for no-fusion and fusion events in a Dyson gas of $N$ charged particles interacting through a logarithmic Coulomb potential surrounded by a thermal bath at a reduced temperature $\beta=q_0^2/(k_BT)$, where $q_0$ is the charge per particle and $T$ is temperature of the bath. First, we characterize the relaxation-time, $\tau$, in the regime for no-fusion processes, for which the system reach a “thermal equilibrium” and show how a time-law-scale governs the time-evolution for this regime. We prove the validity of Wigner's Surmise for $\beta\geq1.0$ compared with those values used in Gaussian ensembles for times greater than relaxation time $t\gg\tau$, i.e., when the system reached the thermal equilibrium. Finally, we study the time-evolution of nearest neighbours distance distributions for different $\beta$ in the regime for fusion events and compare its dynamics with no-fusion regime.

Primary author

Mr John Fredy Mateus Rubio (Universidad de los Andes)

Co-author

Prof. Gabriel Téllez (Universidad de los Andes)

Presentation Materials

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