Quantum computing implementations with neutral particles

被引：54
作者：
Negretti, Antonio [1 ,2 ]
Treutlein, Philipp [3 ]
Calarco, Tommaso [1 ]
机构：
[1] Univ Ulm, Inst Quantum Informat Proc, Albert Einstein Allee 11, D-89069 Ulm, Germany
[2] Univ Aarhus, Lundbeck Fdn Theoret Ctr Quantum Syst Res, Dept Phys & Astron, DK-8000 Aarhus, Denmark
[3] Univ Basel, Dept Phys, CH-4056 Basel, Switzerland
来源：
QUANTUM INFORMATION PROCESSING | 2011年 / 10卷 / 06期
关键词：
Quantum information processing; Quantum optimal control; Hybrid systems; Atomic molecular and optical physics; MOTT-INSULATOR TRANSITION; COHERENT MANIPULATION; SINGLE ATOMS; SUPERCONDUCTING QUBITS; RYDBERG BLOCKADE; ION-TRAP; INFORMATION; GATES; ENTANGLEMENT; SUPERFLUID;
D O I：
10.1007/s11128-011-0291-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We review quantum information processing with cold neutral particles, that is, atoms or polar molecules. First, we analyze the best suited degrees of freedom of these particles for storing quantum information, and then we discuss both single- and two-qubit gate implementations. We focus our discussion mainly on collisional quantum gates, which are best suited for atom-chip-like devices, as well as on gate proposals conceived for optical lattices. Additionally, we analyze schemes both for cold atoms confined in optical cavities and hybrid approaches to entanglement generation, and we show how optimal control theory might be a powerful tool to enhance the speed up of the gate operations as well as to achieve high fidelities required for fault tolerant quantum computation.
引用
收藏
页码：721 / 753
页数：33
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