Error rate of the Kane quantum computer controlled-NOT gate in the presence of dephasing
- 3 January 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 67 (1) , 012301
- https://doi.org/10.1103/physreva.67.012301
Abstract
We study the error rate of controlled-NOT (CNOT) operations in the Kane solid-state quantum computer architecture [B. Kane, Nature 393, 133 (1998)]. A spin Hamiltonian is used to describe the system. Dephasing is included as exponential decay of the off-diagonal elements of the system’s density matrix. Using available spin-echo decay data, the CNOT error rate is estimated at
Keywords
All Related Versions
This publication has 17 references indexed in Scilit:
- Decoherence and dissipation during a quantum XOR gate operationPhysical Review A, 2001
- Experimental realization of Shor's quantum factoring algorithm using nuclear magnetic resonanceNature, 2001
- Electron spins in quantum dots for spintronics and quantum computationSolid State Communications, 2001
- NMR quantum computationProgress in Nuclear Magnetic Resonance Spectroscopy, 2001
- The nuclear magnetic resonance spectrum of31P donors in a silicon quantum computerNanotechnology, 2000
- Josephson junction persistent current elements for quantum computationMicroelectronic Engineering, 1999
- Electron Spin-Lattice Relaxation in Phosphorus-Doped SiliconPhysical Review B, 1960
- Electron Spin Resonance Experiments on Donors in Silicon. II. Electron Spin Relaxation EffectsPhysical Review B, 1959
- Microwave Spin Echoes from Donor Electrons in SiliconPhysical Review Letters, 1958
- Spontaneous Emission of Radiation from an Electron Spin SystemPhysical Review B, 1958