Spin interactions,relaxation and decoherence in quantum dots |
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| Authors: | Jan Fischer Mircea Trif W.A. Coish Daniel Loss |
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| Affiliation: | 1. Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland;2. Institute for Quantum Computing and Department of Physics and Astronomy, University of Waterloo, 200 University Ave. W., Waterloo, ON, N2L 3G1, Canada;1. Beijing Computational Science Research Center, Beijing 100084, China;2. Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA;1. State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering, Sun Yat-Sen University, Guangzhou 510275, China;2. Quantum Optoelectronics Laboratory, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, China |
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| Abstract: | We review recent studies on spin decoherence of electrons and holes in quasi-two-dimensional quantum dots, as well as electron-spin relaxation in nanowire quantum dots. The spins of confined electrons and holes are considered major candidates for the realization of quantum information storage and processing devices, provided that sufficiently long coherence and relaxation times can be achieved. The results presented here indicate that this prerequisite might be realized in both electron and hole quantum dots, taking one large step towards quantum computation with spin qubits. |
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