Adiabatic Quantum Computation With Flux Qubits, First Experimental Results
| Autor: | Evgeni Il'ichev, M. Grajcar, A. Yu. Smirnov, S. H. W. van der Ploeg, Th. Wagner, U. Huebner, Sven Linzen, A. Maassen van den Brink, Alexandre M. Zagoskin, M. H. S. Amin, Sergey Uchaikin, H.-G. Meyer, A. Izmalkov |
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| Rok vydání: | 2007 |
| Předmět: |
Physics
Superconductivity Flux qubit Condensed Matter - Mesoscale and Nanoscale Physics Condensed matter physics Condensed Matter - Superconductivity Kelvin FOS: Physical sciences Quantum Physics Condensed Matter Physics Adiabatic quantum computation Electronic Optical and Magnetic Materials Superconductivity (cond-mat.supr-con) symbols.namesake Computer Science::Emerging Technologies Quantum mechanics Qubit Mesoscale and Nanoscale Physics (cond-mat.mes-hall) symbols Electrical and Electronic Engineering Hamiltonian (quantum mechanics) Adiabatic process |
| Zdroj: | IEEE Transactions on Applied Superconductivity. 17:113-119 |
| ISSN: | 1051-8223 |
| Popis: | Controllable adiabatic evolution of a multi-qubit system can be used for adiabatic quantum computation (AQC). This evolution ends at a configuration where the Hamiltonian of the system encodes the solution of the problem to be solved. As a first steps towards realization of AQC we have investigated two, three and four flux qubit systems. These systems were characterized by making use of a radio-frequency method. We designed two-qubit systems with coupling energies up to several kelvins. For the three-flux-qubit systems we determined the complete ground-state flux diagram in the three dimensional flux space around the qubits common degeneracy point. We show that the system`s Hamiltonian can be completely reconstructed from our measurements. Our concept for the implementation of AQC, by making use of flux qubits, is discussed. Comment: 6 pages, 7 figures, Applied Superconductivity Conference 2006 |
| Databáze: | OpenAIRE |
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