TY - RPRT TI - Enhanced sampling in numerical path integration: an approximation for the quantum statistical density matrix based on the nonextensive thermostatistics. AU - T W Whitfield AU - J E Straub PY - 2001 DO - 10.1103/physreve.64.066115 UR - https://pubmed.ncbi.nlm.nih.gov/11736244/ ID - 11736244 ER -