极化液体$^3{He}$的LOCV自旋相关计算
LOCV calculations for polarized liquid $^3{He}$ with the spin-dependent correlation
摘要：
采用Lennard-Jones势和Aziz势，采用自旋相关的关联函数，用最低阶约束变分法（LOCV）计算了极化液体$^{3}He$的零温基态性质.我们已经看到，极化液体$^{3}He$的总能量随着极化的增加而增加。对于所有的极化，它表明，在自旋相关的情况下的总能量低于自旋无关的情况下。我们已经看到，自旋相关和自旋无关情况下的能量差随着极化的增加而减小。我们已经表明，势能的主要贡献来自自旋三重态。
英文摘要：
We have used the lowest order constrained variational (LOCV) method to calculate some ground state properties of polarized liquid $^{3}He$ at zero temperature with the spin-dependent correlation function employing the Lennard-Jones and Aziz pair potentials. We have seen that the total energy of polarized liquid $^{3}He$ increases by increasing polarization. For all polarizations, it is shown that the total energy in the spin-dependent case is lower than the spin-independent case. We have seen that the difference between the energies of spin-dependent and spin-independent cases decreases by increasing polarization. We have shown that the main contribution of the potential energy comes from the spin-triplet state.
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