Toward scalable information processing with ultracold polar molecules in an electric field: A numerical investigation
We numerically investigate the possibilities of driving quantum algorithms with laser pulses in a register of ultracold NaCs polar molecules in a static electric field. We focus on the possibilities of performing scalable logical operations by considering circuits that involve intermolecular gates (...
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| Veröffentlicht in: | Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2010-12, Vol.82 (6), Article 062323 |
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| container_title | Physical review. A, Atomic, molecular, and optical physics |
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| creator | Bomble, Laëtitia Pellegrini, Philippe Ghesquière, Pierre Desouter-Lecomte, Michèle |
| description | We numerically investigate the possibilities of driving quantum algorithms with laser pulses in a register of ultracold NaCs polar molecules in a static electric field. We focus on the possibilities of performing scalable logical operations by considering circuits that involve intermolecular gates (implemented on adjacent interacting molecules) to enable the transfer of information from one molecule to another during conditional laser-driven population inversions. We study the implementation of an arithmetic operation (the addition of 0 or 1 on a binary digit and a carry in) which requires population inversions only and the Deutsch-Jozsa algorithm which requires a control of the phases. Under typical experimental conditions, our simulations show that high-fidelity logical operations involving several qubits can be performed in a time scale of a few hundreds of microseconds, opening promising perspectives for the manipulation of a large number of qubits in these systems. |
| doi_str_mv | 10.1103/PhysRevA.82.062323 |
| format | Article |
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| ispartof | Physical review. A, Atomic, molecular, and optical physics, 2010-12, Vol.82 (6), Article 062323 |
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| source | American Physical Society Journals |
| subjects | ALGORITHMS ALKALI METAL COMPOUNDS ATOMIC AND MOLECULAR PHYSICS Chemistry Chimie CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DATA PROCESSING ELECTRIC FIELDS ELECTROMAGNETIC RADIATION INFORMATION LASER RADIATION MATHEMATICAL LOGIC MOLECULES Physical, chemical, mathematical & earth Sciences Physique, chimie, mathématiques & sciences de la terre POPULATION INVERSION PROCESSING PULSES QUANTUM INFORMATION QUBITS RADIATIONS SIMULATION SODIUM COMPOUNDS |
| title | Toward scalable information processing with ultracold polar molecules in an electric field: A numerical investigation |
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