TY - RPRT TI - Effective potential analytic continuation approach for real time quantum correlation functions involving nonlinear operators. AU - Atsushi Horikoshi AU - Kenichi Kinugawa PY - 2005 DO - 10.1063/1.1888576 UR - https://pubmed.ncbi.nlm.nih.gov/15910020/ ID - 15910020 ER -