Anisotropic spin transport in (110) GaAs quantum wells
Mobile piezoelectric potentials are used to coherently transport electron spins in GaAs (110) quantum wells (QW) over distances exceeding 60 microm. We demonstrate that the dynamics of mobile spins under external magnetic fields depends on the direction of motion in the QW plane. This transport anis...
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| Veröffentlicht in: | Physical review letters 2007-01, Vol.98 (3), p.036603-036603, Article 036603 |
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| container_issue | 3 |
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| container_title | Physical review letters |
| container_volume | 98 |
| creator | Couto, Jr, O D D Iikawa, F Rudolph, J Hey, R Santos, P V |
| description | Mobile piezoelectric potentials are used to coherently transport electron spins in GaAs (110) quantum wells (QW) over distances exceeding 60 microm. We demonstrate that the dynamics of mobile spins under external magnetic fields depends on the direction of motion in the QW plane. This transport anisotropy is an intrinsic property of moving spins associated with the bulk inversion asymmetry of the underlying GaAs lattice. |
| doi_str_mv | 10.1103/PhysRevLett.98.036603 |
| format | Article |
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| title | Anisotropic spin transport in (110) GaAs quantum wells |
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