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Electronic structure of nuclear-spin-polarization-induced quantum dots

Yu. V. Pershin
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Abstract

We study a system in which electrons in a two-dimensional electron gas are confined by a nonhomogeneous nuclear spin polarization. The system consists of a heterostructure that has non-zero nuclei spins. We show that in this system electrons can be confined into a dot region through a local nuclear spin polarization. The nuclear-spin-polarization-induced quantum dot has interesting properties indicating that electron energy levels are time-dependent because of the nuclear spin relaxation and diffusion processes. Electron confining potential is a solution of diffusion equation with relaxation. Experimental investigations of the time-dependence of electron energy levels will result in more information about nuclear spin interactions in solids.

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Yu. V. Pershin. 2003-05-01. Electronic structure of nuclear-spin-polarization-induced quantum dots. https://doi.org/10.1103/physrevb.69.085314

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