Phonon modulation of the spin-orbit interaction as a spin relaxation mechanism in quantum dots

We calculate the spin relaxation rates in a parabolic InSb quantum dot due to the spin interaction with acoustical phonons. We considered the deformation potential mechanism as the dominant electron-phonon coupling in the Pavlov-Firsov spin-phonon Hamiltonian. By studying suitable choices of magneti...

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Autor principal: Romano, C.L
Otros Autores: Marques, G.E, Sanz, L., Alcalde, A.M
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2008
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
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100 1 |a Romano, C.L. 
245 1 0 |a Phonon modulation of the spin-orbit interaction as a spin relaxation mechanism in quantum dots 
260 |c 2008 
270 1 0 |m Romano, C.L.; Departamento de Física, Universidad de Buenos Aires, C1428EHA Buenos Aires, Argentina; email: carlu@df.uba.ar 
506 |2 openaire  |e Política editorial 
504 |a Imamoǧlu, A., Awschalom, D.D., Burkard, G., Divincenzo, D.P., Loss, D., Sherwin, M., Small, A., (1999) Phys. Rev. Lett., 83, p. 4204. , PRLTAO 0031-9007 10.1103/PhysRevLett.83.4204 
504 |a Gotoh, H., Ando, H., Kamada, H., Chavez-Pirson, A., Temmyo, J., (1998) Appl. Phys. Lett., 72, p. 1341. , APPLAB 0003-6951 10.1063/1.120988 
504 |a Gupta, J.A., Awschalom, D.D., Efros, L., Rodina, A.V., (2002) Phys. Rev. B, 66, p. 125307. , PRBMDO 0163-1829 10.1103/PhysRevB.66.125307 
504 |a Paillard, M., Marie, X., Renucci, P., Amand, T., Jbeli, A., Gérard, J.M., (2001) Phys. Rev. Lett., 86, p. 1634. , PRLTAO 0031-9007 10.1103/PhysRevLett.86.1634 
504 |a Lau, W.H., Olesberg, J.T., Flatté, M.E., (2001) Phys. Rev. B, 64, p. 161301. , PRBMDO 0163-1829 10.1103/PhysRevB.64.161301 
504 |a Khaetskii, A.V., Nazarov, Y.V., (2001) Phys. Rev. B, 64, p. 125316. , PRBMDO 0163-1829 10.1103/PhysRevB.64.125316 
504 |a Woods, L.M., Reinecke, T.L., Lyanda-Geller, Y., (2002) Phys. Rev. B, 66, p. 161318. , PRBMDO 0163-1829 10.1103/PhysRevB.66.161318 
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504 |a Pavlov, S.T., Firsov, Y.A., (1966) Sov. Phys. Solid State, 7, p. 2131. , SPSSA7 0038-5654 
504 |a Pavlov, S.T., Firsov, Y.A., (1967) Sov. Phys. Solid State, 9, p. 1394. , SPSSA7 0038-5654 
504 |a Hawrylak, P., (1999) Phys. Rev. B, 60, p. 5597. , PRBMDO 0163-1829 10.1103/PhysRevB.60.5597 
504 |a Alcalde, A.M., Fanyao, Q., Marques, G.E., (2004) Physica e (Amsterdam), 20, p. 228. , PELNFM 1386-9477 10.1016/j.physe.2003.08.009 
504 |a Destefani, C.F., Ulloa, S.E., Marques, G.E., (2004) Phys. Rev. B, 69, p. 125302. , PRBMDO 0163-1829 10.1103/PhysRevB.69.125302 
504 |a Gupta, J.A., Awschalom, D.D., Peng, X., Alivisatos, A.P., (1999) Phys. Rev. B, 59, p. 10421. , PRBMDO 0163-1829 10.1103/PhysRevB.59.R10421 
520 3 |a We calculate the spin relaxation rates in a parabolic InSb quantum dot due to the spin interaction with acoustical phonons. We considered the deformation potential mechanism as the dominant electron-phonon coupling in the Pavlov-Firsov spin-phonon Hamiltonian. By studying suitable choices of magnetic field and lateral dot size, we determine regions where the spin relaxation rates can be practically suppressed. We analyze the behavior of the spin relaxation rates as a function of an external magnetic field and mean quantum dot radius. Effects of the spin admixture due to Dresselhaus contribution to spin-orbit interaction are also discussed. © 2008 The American Physical Society.  |l eng 
593 |a Departamento de Física, Universidad de Buenos Aires, C1428EHA Buenos Aires, Argentina 
593 |a Departamento de Física, Universidade Federal de São Carlos, 13565-905 São Carlos, São Paulo, Brazil 
593 |a Instituto de Física, Universidade Federal de Uberlândia, 38400-902 Uberlândia, Minais Gerais, Brazil 
700 1 |a Marques, G.E. 
700 1 |a Sanz, L. 
700 1 |a Alcalde, A.M. 
773 0 |d 2008  |g v. 77  |k n. 3  |p Phys. Rev. B Condens. Matter Mater. Phys.  |x 10980121  |t Physical Review B - Condensed Matter and Materials Physics 
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