The design of optimal reversible comparator circuit using new quantum gates


This paper presents a novel approach for designing reversible n-bit comparator based on new quantum gates. Their quantum equivalent implementations are also proposed. The design of comparator circuits is completed by using existing reversible gates and the above new reversible circuits. The comparative results are presented in terms of quantum cost, quantum delay and garbage outputs.

Journal of Physics: Conference Series 1766 (1), 012028
Achour Benslama
Achour Benslama
Professor of Physics

PhD in Theoretical Physics, September 1999.