2 papers
quant-ph2025
Negative Marginal Densities in Mixed Quantum-Classical Liouville Dynamics
Kai Gu, Jeremy Schofield
The mixed quantum-classical Liouville equation (QCLE) provides an approximate perturbative framework for describing the dynamics of systems with coupled quantum and classical degre…
math.NA2023
Error Analysis of Mixed Residual Methods for Elliptic Equations
Kai Gu, Peng Fang, Zhiwei Sun +1
We present a rigorous theoretical analysis of the convergence rate of the deep mixed residual method (MIM) when applied to a linear elliptic equation with various types of boundary…