Interplay between Zeeman Coupling and Swap Action in Spin-Based Quantum Computer Models: Error Correction in Inhomogeneous Magnetic Fields
- 29 January 2001
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 86 (5) , 918-921
- https://doi.org/10.1103/physrevlett.86.918
Abstract
We consider theoretically the interplay between Zeeman coupling and exchange-induced swap action in spin-based quantum dot quantum computer models in the presence of inhomogeneous magnetic fields, which are invariably present in real systems. We estimate quantitatively swap errors caused by the inhomogeneous field, establishing that error correction would, in principle, be possible in the presence of nonuniform magnetic fields in realistic structures.Keywords
All Related Versions
This publication has 22 references indexed in Scilit:
- Quantum information and computationNature, 2000
- Quantum computingReports on Progress in Physics, 1998
- Ensemble quantum computing by NMR spectroscopyProceedings of the National Academy of Sciences, 1997
- Error Correcting Codes in Quantum TheoryPhysical Review Letters, 1996
- Quantum computation and Shor's factoring algorithmReviews of Modern Physics, 1996
- Measurement of Conditional Phase Shifts for Quantum LogicPhysical Review Letters, 1995
- Demonstration of a Fundamental Quantum Logic GatePhysical Review Letters, 1995
- Scheme for reducing decoherence in quantum computer memoryPhysical Review A, 1995
- Realizable Universal Quantum Logic GatesPhysical Review Letters, 1995
- Quantum Computations with Cold Trapped IonsPhysical Review Letters, 1995