Author： Akera H.
Publisher： Springer Publishing Company
ISSN： 0022-2291
Source： Journal of Low Temperature Physics, Vol.118, Iss.5-6, 2000-03, pp. : 421-426
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Abstract
A review is given on theoretical studies of roles of the spin degree of freedom in transport through a quantum dot with the total spin S for N electrons and tilde{S} for N+1 electrons in the ground state. The conductance and the phase coherency are expressed in terms of universal functions of S, tilde{S}, and the spin splitting at small tunneling rates in the absence of spin-orbit interactions and are shown to exhibit the correlation between tunnelings of electrons with opposite spins and the dephasing due to spin flips.
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