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Author | Kim, W.; Covaci, L.; Dogan, F.; Marsiglio, F. | ||||
Title | Quantum mechanics of spin transfer in coupled electron-spin chains | Type | A1 Journal article | ||
Year | 2007 | Publication | Epl | Abbreviated Journal | Epl-Europhys Lett |
Volume | 79 | Issue | 6 | Pages | 67004 |
Keywords | A1 Journal article | ||||
Abstract | The manner in which spin-polarized electrons interact with a magnetized thin film is currently described by a semi-classical approach. This in turn provides our present understanding of the spin transfer, or spin torque phenomenon. However, spin is an intrinsically quantum-mechanical quantity. Here, we make the first strides towards a fully quantum-mechanical description of spin transfer through spin currents interacting with a Heisenberg-coupled spin chain. Because of quantum entanglement, this requires a formalism based on the density matrix approach. Our description illustrates how individual spins in the chain time-evolve as a result of spin transfer. | ||||
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Corporate Author | Thesis | ||||
Publisher | Place of Publication | Editor | |||
Language | Wos | 000250409500023 | Publication Date | 2007-08-24 | |
Series Editor | Series Title | Abbreviated Series Title | |||
Series Volume | Series Issue | Edition | |||
ISSN | 0295-5075 | ISBN | Additional Links | ||
Impact Factor | 1.957 | Times cited | 3 | Open Access | |
Notes | Approved | Most recent IF: 1.957; 2007 IF: 2.206 | |||
Call Number | UA @ lucian @ | Serial | 4430 | ||
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