期刊
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
卷 59, 期 12, 页码 3804-3820出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-020-04633-8
关键词
Distributed; Quantum circuits; Teleportation; Communication cost
The main objective of this paper is to improve the communication cost in distributed quantum circuits. To this end, we present a method for generating distributed quantum circuits from monolithic quantum circuits in such a way that communication between partitions of a distributed quantum circuit is minimized. Thus, the communication between distributed components is performed at a lower cost. Compared to the existing works, our approach can effectively map a quantum circuit into an appropriate number of distributed components. Since teleportation is usually the protocol used to connect components in a distributed quantum circuit, our approach ultimately reduces the number of teleportations. The results of applying our approach to the benchmark quantum circuits determine its effectiveness and show that partitioning is a necessary step in constructing distributed quantum circuit.
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