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A Critical Overview on Quantum Computing

Saptarshi Sahoo1,*, Amit Kumar Mandal1, Pijus Kanti Samanta2, Indranil Basu1, Pratik Roy1
1 Institute of Engineering and Management Salt Lake Electronics Complex, Kolkata, 700091, West Bengal, India
2 Department of Physics (PG & UG), Prabhat Kumar College, Contai, 721404, West Bengal, India
* Corresponding Author: Saptarshi Sahoo. Email:

Journal of Quantum Computing 2020, 2(4), 181-192.

Received 10 November 2020; Accepted 26 December 2020; Issue published 07 January 2021


Quantum Computing and Quantum Information Science seem very promising and developing rapidly since its inception in early 1980s by Paul Benioff with the proposal of quantum mechanical model of the Turing machine and later By Richard Feynman and Yuri Manin for the proposal of a quantum computers for simulating various problems that classical computer could not. Quantum computers have a computational advantage for some problems, over classical computers and most applications are trying to use an efficient combination of classical and quantum computers like Shor’s factoring algorithm. Other areas that are expected to be benefitted from quantum computing are Machine Learning and deep learning, molecular biology, genomics and cancer research, space exploration, atomic and nuclear research and macro-economic forecasting. This paper represents a brief overview of the state of art of quantum computing and quantum information science with discussions of various theoretical and experimental aspects adopted by the researchers.


Quantum computing; quantum information science

Cite This Article

S. Sahoo, A. Kumar Mandal, P. Kanti Samanta, I. Basu and P. Roy, "A critical overview on quantum computing," Journal of Quantum Computing, vol. 2, no.4, pp. 181–192, 2020.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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