Kim, Dong-Hee Path integral Monte Carlo study of the interacting quantum double-well model: quantum phase transition and phase diagram. [electronic resource] - Physical review. E, Statistical, nonlinear, and soft matter physics Jan 2007 - 016702 p. digital Publication Type: Journal Article ISSN: 1539-3755 Standard No.: 10.1103/PhysRevE.75.016702 doi