Abstract
We present some applications of quantum algorithm on many qubits system. We focus in particular on Grover algorithm which we apply to four qubits case. We give definition of some quantum gates used in the context of Grover algorithm as Hadamard gate. We consider specially the case of four qubits system and show that Grover algorithm allows as obtaining a maximal probability to get the result.
Highlights
Quantum information processing has emerged recently as a new information science combining physic, informatics and electronic
Many difficult are in order to realize a concrete and a real physical quantum information system, especially in the case of many qubits circuits introducing various coupling scheme
We have presented an introduction to quantum algorithm in relation to many qubits system
Summary
Quantum information processing has emerged recently as a new information science combining physic, informatics and electronic. The increasing miniaturization of electronic circuits will be certainly limited by quantum effects at nanometer scale. This observation was first pointed out by Moore This make possible to solve many problems which can’t be reach in classical computing In this perspective, Grover algorithm has showed an increasing capacity to solve many problems and www.ccsenet.org/cis. Note that Josephson junction qubits are one of the strongest candidates for quantum computing physical systems. Many difficult are in order to realize a concrete and a real physical quantum information system, especially in the case of many qubits circuits introducing various coupling scheme. We are interested on Grover algorithm which we apply in the case of four qubits system. We show specially that Grover algorithm allows as to obtain a maximal probability to get the result
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