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Dynamics of entanglement between quantum dot spin-qubits
John Schliemann, Daniel Loss
We briefly review the physics of gate operations between quantum dot spin-qubits and analyze the dynamics of quantum entanglement in such processes. The indistinguishable character…
Electron spin evolution induced by interaction with nuclei in a quantum dot
Alexander Khaetskii, Daniel Loss, Leonid Glazman
We study the decoherence of a single electron spin in an isolated quantum dot induced by hyperfine interaction with nuclei for times smaller than the nuclear spin relaxation time.…
Non-ballistic spin field-effect transistor
John Schliemann, J. Carlos Egues, Daniel Loss
We propose a spin field-effect transistor based on spin-orbit (s-o) coupling of both the Rashba and the Dresselhaus types. Differently from earlier proposals, spin transport throug…
Shot Noise of Cotunneling Current
Eugene Sukhorukov, Guido Burkard, Daniel Loss
We study the noise of the cotunneling current through one or several tunnel-coupled quantum dots in the Coulomb blockade regime. The various regimes of weak and strong, elastic and…
Shot noise for entangled and spin-polarized electrons
J. C. Egues, P. Recher, D. S. Saraga +4
We review our recent contributions on shot noise for entangled electrons and spin-polarized currents in novel mesoscopic geometries. We first discuss some of our recent proposals f…
Datta-Das transistor with enhanced spin control
J. Carlos Egues, Guido Burkard, Daniel Loss
We consider a two-channel spin transistor with weak spin-orbit induced interband coupling. We show that the coherent transfer of carriers between the coupled channels gives rise to…