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Spurious roots in the algebraic dirac equation

机译:代数狄拉克方程中的虚假根

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The nature Of Spurious roots discovered by Drake and Goldman [G. W. F. Drake and S. P. Goldman. Phys. Rev. A 23. 2093 (1981)] among solutions of the algebraic Dirac Hamiltonian eigenvalue problem is discussed. It is shown that the spurious roots represent the positive spectrum states of the Dirac Hamiltonian and that each of them has its variational non-relativistic counterpart. Sufficient conditions to avoid the appearance of the spuriouses in the forbidden gap of Dirac energies are formulated. Numerical examples for kappa = 1(P-1/2) states of an electron in a spherical Coulomb potential (in Slater-type bases) are presented. [References: 17]
机译:德雷克和高盛[G. W. F. Drake和S. P. Goldman。物理Rev. A 23. 2093(1981)]中讨论了代数Dirac哈密顿特征值问题的解。结果表明,杂散根表示狄拉克·哈密顿量的正谱状态,并且每个杂散根都有其变分的非相对论性对应物。制定了避免在狄拉克能量的禁带中出现杂散的充分条件。给出了在球形库仑势中(在Slater型碱中)电子的kappa = 1(P-1 / 2)态的数值示例。 [参考:17]

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