Equations of Motion for the Out-of-Equilibrium Dynamics of Isolated Quantum Systems from the Projection Operator Technique

27th International Conference on Low Temperature Physics

Nessi, N.^1 ; Iucci, A.^1

Instituto de Física la Plata (IFLP) - CONICET, Departamento de Física, Universidad Nacional de la Plata, CC 67, La Plata

1900, Argentina^1

关键词: 1-D models;    Evolution equations;    Higher order correlation;    Interacting system;    Momentum distributions;    Out-of-equilibrium dynamics;    Projection operator technique;    Quantum system;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/568/1/012013/pdf
DOI  :  10.1088/1742-6596/568/1/012013

来源: IOP

【 摘 要 】

We present a rigorous framework to obtain evolution equations for the momentum distribution and higher order correlation functions in weakly interacting systems based on the Projection Operator Technique. These equations can be numerically solved in an efficient way. We compare the solution of the equations with known results for 1D models and find an excellent agreement.