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Hartree and exchange effects in the calculation of hole levels in p-type delta-doped diamond systems

机译:p型δ掺杂金刚石系统中空穴水平计算中的Hartree和交换效应

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Gamma-point hole states in boron delta-doped diamond quantum wells are calculated with the use of a local density Thomas-Fermi-Dirac approximation for the potential energy function and the solution of an effective mass equation. The approach includes Hartree and exchange contributions in the hole gas. The calculation assumes a two-independent (hh + lh) hole band model, and different sets of Luttinger parameters for diamond, reported in the literature, are used. It is shown that the hole spectrum is highly sensitive to the values of the valence effective masses. The results for the hole energy states would help to clarify the actual set of valence band parameters if measurements of optical absorption involving transitions from hole energy states in diamond systems with delta doping are performed. [References: 16]
机译:使用势能函数的局部密度Thomas-Fermi-Dirac近似值和有效质量方程的解,可以计算出掺硼的金刚石量子阱中的伽玛点空穴状态。该方法包括Hartree和交换气体中的贡献。该计算假设有两个独立的(hh + lh)孔带模型,并且使用了文献中报道的钻石的Luttinger参数的不同集合。结果表明,空穴光谱对化合价有效质量的值高度敏感。如果执行的光吸收测量涉及从具有δ掺杂的金刚石系统中的空穴能态转变,则空穴能态的结果将有助于阐明价带参数的实际集合。 [参考:16]

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