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Abstrakty
The coherent transport through a set of two capacitively coupled quantum dots placed in a magnetic field and coupled to ferromagnetic electrodes is considered in the limit of infinite intra- and interdot interactions. The densities of states are calculated in an approximation that favours separate fluctuations of spin, orbital isospin, and simultaneous fluctuations of both of them. Apart from the Kondo peak, satellite many-body peaks are also found in the densities of states. Their positions and weights depend on the magnetic field and polarization of electrodes. This is reflected in the spin dependence of conductance remarkably varying for the voltage bias corresponding to the peak positions.
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Wydawca
Czasopismo
Rocznik
Tom
Strony
513--522
Opis fizyczny
Bibliogr. 10 poz.
Twórcy
autor
- Institute of Molecular Physics, Polish Academy of Sciences, ul. M. Smoluchowskiego17, 60-179 Poznań, Poland
autor
- Institute of Molecular Physics, Polish Academy of Sciences, ul. M. Smoluchowskiego17, 60-179 Poznań, Poland
autor
- Institute of Molecular Physics, Polish Academy of Sciences, ul. M. Smoluchowskiego17, 60-179 Poznań, Poland
Bibliografia
- [1] PRINZ G., Phys. Today, 48 (1995), 58.
- [2] LOSS D., Di VINCENZO D. P., Phys. Rev., A57 (1998), 120.
- [3] GOLDHABER-GORDON D. SHTRIKMAN H., MAHALU D., ABUSH-MAGDER D., MEIRAV U., KASTNER M.A., Nature, 391 (1998), 156; CRONENWETT S.M., OOSTERKAMP T.H., KOUWENHOVEN L., Science, 281 (1998), 540.
- [4] JEONG H., CHANG A.M.,MELLOCH M.R., Science, 293 (2001), 2221.
- [5] TSUKAGOSHI K., ALPEHENAAR B.W., AGO H., Nature, 401 (1999), 572.
- [6] BUITELAAR M.R. BACHTOLD A., NUSSBAUMER T., IQBAL M., SCHÖNENBERGER C., Phys. Rev. Lett., 88 (2002), 156801.
- [7] RALPH D.C., BUHRMAN R.A., Phys. Rev. Lett., 72 (1994), 3401.
- [8] KUBETZKA A, BODE M., PIETZSCH O.,WIESENDANGER R., Phys. Rev. Lett., 88 (2002), 057201.
- [9] MEIER Y.,WINGREEN N.S, LEE P.A., Phys. Rev. Lett., 70 (1993), 2601.
- [10] POHJOLA T., SCHOELLER H., SCHÖN G., Europhys. Lett., 54 (2001), 241.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPW7-0003-0053