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Effects of strain, magnetic field and temperature on entropy of a two dimensional GaAs quantum dot under spin-orbit interaction

机译:自旋-轨道相互作用下应变,磁场和温度对二维GaAs量子点熵的影响

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摘要

In this paper, we have studied the effects of temperature, strain and magnetic field on non-extensive entropy of a two-dimensional (2D) quantum dot under spin-orbit interaction. To this end, we have obtained the energy levels and wave functions of the system in the presence of Bychkov-Rashba, Dresselhaus and strain effects by using diagonalization procedure. Then, we have used the Tsallis formalism and calculated the entropy of the system. It is found that the entropy is increased with enhancing the temperature with and without strain. The entropy increases with considering the negative strain. The strain has not strongly effect on the entropy at low temperatures.
机译:在本文中,我们研究了温度,应变和磁场对自旋轨道相互作用下二维(2D)量子点非扩展熵的影响。为此,我们通过使用对角化过程获得了存在Bychkov-Rashba,Dresselhaus和应变效应的系统的能级和波动函数。然后,我们使用了Tsallis形式主义并计算了系统的熵。发现在有应变和无应变的情况下,熵随着温度的升高而增加。考虑到负应变,熵增加。在低温下,应变对熵的影响不大。

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