Direct spin–phonon coupling of spin-flip relaxation in quantum dots
Within the frame of the Pavlov–Firsov spin–phonon coupling model, we study the spin-flip assisted by the acoustical phonon scattering between the first-excited state and the ground state in quantum dots. We analyze the behaviors of the spin relaxation rates as a function of an external magnetic fiel...
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| creator | 尹辑文 李伟萍 李红娟 于毅夫 |
| description | Within the frame of the Pavlov–Firsov spin–phonon coupling model, we study the spin-flip assisted by the acoustical phonon scattering between the first-excited state and the ground state in quantum dots. We analyze the behaviors of the spin relaxation rates as a function of an external magnetic field and lateral radius of quantum dot. The different trends of the relaxation rates depending on the magnetic field and lateral radius are obtained, which may serve as a channel to distinguish the relaxation processes and thus control the spin state effectively. |
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| issn | 1674-1056 2058-3834 |
| language | eng |
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| source | IOP Publishing Journals |
| title | Direct spin–phonon coupling of spin-flip relaxation in quantum dots |
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