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Volumn 79, Issue 7, 2009, Pages

State tomography of a chain of qubits embedded in a spin field-effect transistor via repeated spin-blockade measurements on the edge qubit

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EID: 62549115383     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.79.075318     Document Type: Article
Times cited : (2)

References (27)
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    • Roughly speaking, the increase in the channel current with the || component in Eq. 4.1 projects X onto | X | while that with || onto | X |, with these two cases summed up classically in accordance with the classical mixture in Eq. 4.1. A more rigorous derivation of Eq. 4.2 would be possible by formulating the spin-blockade measurement process as a projection on the state of the "current" degree of freedom and not on the spin degree of freedom of the channel electron. See, for instance, 10.1016/j.physrep.2005.03. 001
    • Roughly speaking, the increase in the channel current with the || component in Eq. 4.1 projects X onto | X | while that with || onto | X |, with these two cases summed up classically in accordance with the classical mixture in Eq. 4.1. A more rigorous derivation of Eq. 4.2 would be possible by formulating the spin-blockade measurement process as a projection on the state of the "current" degree of freedom and not on the spin degree of freedom of the channel electron. See, for instance, K. Koshino and A. Shimizu, Phys. Rep. 412, 191 (2005). 10.1016/j.physrep.2005.03.001
    • (2005) Phys. Rep. , vol.412 , pp. 191
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