Topologically decoherence-protected qubits with trapped ions
We show that trapped ions can be used to simulate a highly symmetrical Hamiltonian with eigenstates naturally protected against local sources of decoherence. This Hamiltonian involves long-range coupling between particles and provides a more efficient protection than nearest neighbor models discusse...
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| Veröffentlicht in: | Physical review letters 2007-07, Vol.99 (2), p.020503-020503, Article 020503 |
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| container_end_page | 020503 |
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| container_issue | 2 |
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| container_title | Physical review letters |
| container_volume | 99 |
| creator | Milman, P Maineult, W Guibal, S Guidoni, L Douçot, B Ioffe, L Coudreau, T |
| description | We show that trapped ions can be used to simulate a highly symmetrical Hamiltonian with eigenstates naturally protected against local sources of decoherence. This Hamiltonian involves long-range coupling between particles and provides a more efficient protection than nearest neighbor models discussed in previous works. Our results open the perspective of experimentally realizing, in controlled atomic systems, complex entangled states with decoherence times up to 9 orders of magnitude longer than isolated quantum systems. |
| doi_str_mv | 10.1103/PhysRevLett.99.020503 |
| format | Article |
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| ispartof | Physical review letters, 2007-07, Vol.99 (2), p.020503-020503, Article 020503 |
| issn | 0031-9007 1079-7114 |
| language | eng |
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| subjects | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Condensed Matter EIGENSTATES HAMILTONIANS IONS Other Physics QUANTUM DECOHERENCE QUANTUM ENTANGLEMENT QUANTUM MECHANICS Quantum Physics QUBITS TRAPPING |
| title | Topologically decoherence-protected qubits with trapped ions |
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