Variational Monte Carlo Study on the Superconductivity in the Two-Dimensional Hubbard Model

Kunihiko Yamaji, Takashi Yanagisawa, Takeshi Nakanishi +1

The possibility of superconductivity (SC) in the 2D Hubbard model (2DH) was investigated by means of the variational Monte Carlo method. The energy gain of the d-wave SC state, obt…