5 papers · 1 filter
Crossover of Scaling Behaviors of Work Cumulants in a Driven Gaussian Field Theory
Yanbo Qiao, Ruohan Xu, H. T. Quan
We derive the finite-temperature characteristic function of work (CFW) for a driven Gaussian field theory and obtain closed-form expressions for all zero-temperature excess-…
Critical behavior of the driven Curie-Weiss model
Ruohan Xu, Faezeh Khodabandehlou, Christian Maes
We complete the phase diagram of the macroscopic Curie-Weiss magnet in a time-periodic external field, as a function of temperature and driving parameters. There is a regime (large…
A Field-Theoretic Framework for Work Statistics and Universal Scaling in Non-equilibrium Phase Transitions
Yanbo Qiao, Ruohan Xu, H. T. Quan
We develop a field-theoretic framework for work statistics in models driven through criticality. By analyzing the dynamic renormalization group flow of composite power opera…
Scaling Behaviors of Work Cumulants in Slow Isothermal Processes
Ruohan Xu, Yanbo Qiao, H. T. Quan
We study the cumulants of work in a slow isothermal process for gapped systems. Using the Martin-Siggia-Rose-De Dominicis-Janssen (MSRDJ) formalism and the properties of connected…
Lorentz Transformation of the Energy Spectrum of the Equilibrium State of Massive Free Fields
Ruohan Xu, Tingzhang Shi, H. T. Quan
In previous studies of relativistic thermodynamics, the temperature of a static system, as perceived by a moving observer, has traditionally been treated as a scalar. This assumpti…