The complexity of the realization of subdefinite matrices by gate schemes
β Scribed by A. E. Andreev
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 1987
- Tongue
- English
- Weight
- 375 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0001-4346
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π SIMILAR VOLUMES
This paper presents a necessary and sufltcient condition for the realizability of the fundamental circuit matrix without construction of the corresponding graph. The result affords an eficient algorithm of realizing the graphs with a given fundamental circuit matrix. The idea is mainly based upon th
## Abstract An arbitrary quantum state cannot be βclonedβ perfectly, i.e. reproduced with βfidelityβ __F__ = 1 into __M__ > 1 states identical to the original by any conceivable physical device. The main root of this impossibility resides in the linearity of quantum mechanics. A second βquantum imp