Current-induced Spin Polarization in 2-Dimensional Hole Gas | Zendy

Chao-Xing Liu | Zendy; Bin Zhou | Zendy; Shun-Qing Shen | Zendy; Bang-Fen Zhu | Zendy; Marília Caldas | Zendy; Nélson Studart | Zendy

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Current-induced Spin Polarization in 2-Dimensional Hole Gas

Author(s) -

Chao-Xing Liu,

Bin Zhou,

Shun-Qing Shen,

Bang-Fen Zhu,

Marília Caldas,

Nélson Studart

Publication year - 2010

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.3295490

Subject(s) - physics , spin polarization , fermi gas , asymmetry , polarization (electrochemistry) , condensed matter physics , fermi gamma ray space telescope , fermi energy , angular momentum , maxima and minima , spin hall effect , electron , spin (aerodynamics) , quantum mechanics , chemistry , thermodynamics , mathematical analysis , mathematics

We investigate the current-induced spin polarization in the two-dimensional hole gas with the structure inversion asymmetry, in which the orbital angular momentum is taken into account to obtain the proper generalized spin operator for the hole gas. Based on the analytical and numerical results, we find that quite different from the electron system, the spin polarization of holes depends on Fermi energy linearly in the low doping regime and has a peak once the Fermi level is between two minima of the lowest spin-split light-hole subband. © 2009 American Institute of Physics.link_to_subscribed_fulltex

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