Journal
JOURNAL OF LOW TEMPERATURE PHYSICS
Volume 202, Issue 1-2, Pages 59-70Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10909-020-02522-2
Keywords
Thermodynamic; Rashba spin-orbit interaction; Nanowires
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In this work, the energy expression of ballistic nanowires in the presence of gate-controlled Rashba spin-orbit interaction and an in-plane magnetic field was obtained. Analytical relations for the mean energy, free energy, specific heat, entropy, and magnetic susceptibility were derived. It was found that specific heat and magnetic susceptibility exhibit peak structure in the presence of spin-orbit interaction and magnetic field, where the peak positions depend on various parameters such as the Rashba constant, Zeeman splitting parameter, and the angle between the magnetic field and wire axis.
In this work, we have considered ballistic nanowires in the presence of gate-controlled Rashba spin-orbit interaction and an in-plane magnetic field. First, the energy expression of the nanowires was obtained. Then, the analytical relations for the mean energy, free energy, specific heat, entropy and magnetic susceptibility of the system were derived. It is found that the specific heat and magnetic susceptibility show peak structure in the presence of spin-orbit and magnetic field. The peak position of specific heat depends on the Rashba constant, Zeeman splitting parameter and the angle between magnetic field and the wire axis (theta). The peak of magnetic susceptibility disappears with increasing magnetic field and decreasing theta.
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