Wave Functions of Correlated-Electron State in the Periodic Anderson Model
1999 年 68 巻 3 号 p. 893-902
詳細
1999 年 68 巻 3 号 p. 893-902
We investigate the periodic Anderson model by a variational Monte Carlomethod. A new wave function is proposed based on the well-known Gutzwillerwave function. We calculate the physical properties using the MonteCarlo algorithm to consider the strong correlation effects.The ground state energy is improved considerably by taking into accountelectron-hole excitation effects.
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