TY - GEN AU - Capone,M AU - Ciuchi,S TI - Polaron crossover and bipolaronic metal-insulator transition in the half-filled Holstein model SN - 0031-9007 PY - 2003///1223 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.91.186405 ER -