|
| related topics |
| {state, algorithm, problem} |
| {time, decoherence, evolution} |
| {operator, operators, space} |
| {phase, path, phys} |
| {states, state, optimal} |
| {let, theorem, proof} |
| {equation, function, exp} |
| {cos, sin, state} |
| {qubit, qubits, gate} |
|
Adiabatic Quantum Computation in Open Systems
M. S. Sarandy, D. A. Lidar
abstract: We analyze the performance of adiabatic quantum computation (AQC) under the
effect of decoherence. To this end, we introduce an inherently open-systems
approach, based on a recent generalization of the adiabatic approximation. In
contrast to closed systems, we show that a system may initially be in an
adiabatic regime, but then undergo a transition to a regime where adiabaticity
breaks down. As a consequence, the success of AQC depends sensitively on the
competition between various pertinent rates, giving rise to optimality
criteria.
- oai_identifier:
- oai:arXiv.org:quant-ph/0502014
- categories:
- quant-ph cond-mat.mes-hall
- comments:
- v2: 4 pages, 1 figure. Published version
- doi:
- 10.1103/PhysRevLett.95.250503
- arxiv_id:
- quant-ph/0502014
- journal_ref:
- Phys. Rev. Lett. 95, 250503 (2005)
- created:
- 2005-02-01
- updated:
- 2005-12-16
Full article ▸
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