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- Title
A comparative analysis of two methods of realizing elementary logic operators for a quantum computer on qutrits.
- Authors
Shauro, V.; Pekhterev, D.; Zobov, V.
- Abstract
In the present work, elementary logic operators (including selective rotation, Fourier transform, controlled phase shift, and controlled NOT operators) for a quantum computer on tristable systems (qutrits) are examined. Computer modeling of realization of these operators based on a system of two nuclear spins I = 1 is carried out by the methods of nuclear magnetic resonance. Two different methods of realizing the controlled NOT operator are presented: with the help of weak pulses of radio-frequency magnetic field selective in spin-spin interaction and with the help of strong pulses selective in quadrupole interaction. A dependence of realization errors on the interaction parameters, variable field amplitude, and pulse duration is calculated. Advantages and disadvantages of each method in the process of realization are indicated.
- Subjects
MAGNETIC fields; MAGNETIC resonance; PHASE shift (Nuclear physics); SCATTERING (Physics); NUCLEAR quadrupole resonance; QUANTUM computers
- Publication
Russian Physics Journal, 2007, Vol 50, Issue 6, p566
- ISSN
1064-8887
- Publication type
Academic Journal
- DOI
10.1007/s11182-007-0084-6