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We study evolution of electron spin coherence having nonhomogeneous direction of spin polarization vector in semiconductor heterostructures. It is found that the electron spin relaxation time due to the D’yakonov- Perel’ relaxation mechanism essentially depends on the initial spin polarization distribution. This effect has its origin in the coherent spin precession of electrons diffusing in the same direction. We predict a long spin relaxation time of a novel structure: a spin coherence standing wave and discuss its experimental realization.


Pershin, Y. V. (2005). Long-lived spin coherence states in semiconductor heterostructures. Physical Review B, 71(15), 155317-1 - 155317-5. DOI; 10.1103/PhysRevB.71.155317

© Physical Review B, 2005, American Physical Society

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