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http://dx.doi.org/10.13067/JKIECS.2017.12.1.101

A New Function Embedding Method for the Multiple-Controlled Unitary Gate based on Literal Switch  

Park, Dong-Young (Dept. of Information and Telecommunication Eng., Gangneung-Wonju National University)
Publication Information
The Journal of the Korea institute of electronic communication sciences / v.12, no.1, 2017 , pp. 101-108 More about this Journal
Abstract
As the quantum gate matrix is a $r^{n+1}{\times}r^{n+1}$ dimension when the radix is r, the number of control state vectors is n, and the number of target state vectors is one, the matrix dimension with increasing n is exponentially increasing. If the number of control state vectors is $2^n$, then the number of $2^n-1$ unit matrix operations preserves the output from the input, and only one can be performed the unitary operation to the target state vector. Therefore, this paper proposes a new method of function embedding that can replace $2^n-1$ times of unit matrix operations with deterministic contribution to matrix dimension by arithmetic power switch of the unitary gate. The proposed function embedding method uses a binary literal switch with a multivalued threshold, so that a general purpose hybrid MCU gate can be realized in a $r{\times}r$ unitary matrix.
Keywords
$2^n-1$ Times Of Unit Matrix Operations; Function Embedding; Arithmetic Power; Literal Switch; Hybrid MCU Gate;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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