Anharmonicity

  1. Formal expressions for reduced densities in thermofield dynamics
    Framework for computing reduced density matrices and Wigner distributions in thermofield dynamics using inverse Bogoliubov transformations, with applications to thermal quantum systems.
  2. TTCF matches time averages for nonequilibrium transport in test systems
    TTCF method computes nonequilibrium transport coefficients from short-time dynamics, offering computational advantages over traditional time-average approaches in linear and nonlinear regimes.