Efficient distributed quantum computing

被引:130
|
作者
Beals, Robert [1 ]
Brierley, Stephen [2 ]
Gray, Oliver [2 ]
Harrow, Aram W. [3 ]
Kutin, Samuel [1 ]
Linden, Noah [4 ]
Shepherd, Dan [2 ,5 ]
Stather, Mark [5 ]
机构
[1] Ctr Commun Res, Princeton, NJ 08540 USA
[2] Univ Bristol, Dept Math, Heilbronn Inst Math Res, Bristol BS8 1TW, Avon, England
[3] MIT, Ctr Theoret Phys, Cambridge, MA 02139 USA
[4] Univ Bristol, Dept Math, Bristol BS8 1TW, Avon, England
[5] CESG, Cheltenham GL51 0EX, Glos, England
基金
美国国家科学基金会;
关键词
quantum architectures; quantum algorithms; distributed quantum computing; ALGORITHMS; ENTANGLEMENT;
D O I
10.1098/rspa.2012.0686
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We provide algorithms for efficiently moving and addressing quantum memory in parallel. These imply that the standard circuit model can be simulated with a low overhead by a more realistic model of a distributed quantum computer. As a result, the circuit model can be used by algorithm designers without worrying whether the underlying architecture supports the connectivity of the circuit. In addition, we apply our results to existing memory-intensive quantum algorithms. We present a parallel quantum search algorithm and improve the time-space trade-off for the element distinctness and collision finding problems.
引用
收藏
页数:20
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