With the ability of quantum computing to be exponentially more efficient than classical computing, many businesses, including IBM, have begun to build quantum computers due to superposition and entanglement. IBM has built freely available quantum computers based on the cloud since 2016. Although quantum computing development can revolutionise the decryption, optimization, and simulation of quantum systems, as they are scaled up, quantum computers must maintain a high level of accuracy. This paper presents the basic gates used on the quantum computers of IBM and offers visualisations of each gate. To explain the Einstein-Podolsky-Rosen Paradox, a thought experiment involving two quantum entangled particles is used and two alternative theories are introduced: locality violation and the Hidden Variable Theory. For the quality of entanglement created on IBM's publicly accessible 5-qubit quantum computers, experimental results are recorded by creating entanglement between 2 qubits and then measuring both qubits along a set combination of axes, and demonstrating the Bell-CHSH Inequality violation. The Bell-CHSH Inequality was violated by six out of seven 5-qubit quantum computers, thus demonstrating strong quantum entanglement between 2 qubits, a standard necessary for scaling quantum computers to leverage their exponentially scaling power.
Please see the link :- https://www.ikprress.org/index.php/JAPSI/article/view/5267
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