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Quantum Computers

Megha Roy1 , Soumen Santra2 , Sarasij Majumdar3

Section:Research Paper, Product Type: Journal Paper
Volume-07 , Issue-01 , Page no. 57-62, Jan-2019

Online published on Jan 20, 2019

Copyright © Megha Roy, Soumen Santra, Sarasij Majumdar . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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IEEE Style Citation: Megha Roy, Soumen Santra, Sarasij Majumdar, “Quantum Computers,” International Journal of Computer Sciences and Engineering, Vol.07, Issue.01, pp.57-62, 2019.

MLA Style Citation: Megha Roy, Soumen Santra, Sarasij Majumdar "Quantum Computers." International Journal of Computer Sciences and Engineering 07.01 (2019): 57-62.

APA Style Citation: Megha Roy, Soumen Santra, Sarasij Majumdar, (2019). Quantum Computers. International Journal of Computer Sciences and Engineering, 07(01), 57-62.

BibTex Style Citation:
@article{Roy_2019,
author = {Megha Roy, Soumen Santra, Sarasij Majumdar},
title = {Quantum Computers},
journal = {International Journal of Computer Sciences and Engineering},
issue_date = {1 2019},
volume = {07},
Issue = {01},
month = {1},
year = {2019},
issn = {2347-2693},
pages = {57-62},
url = {https://www.ijcseonline.org/full_spl_paper_view.php?paper_id=593},
publisher = {IJCSE, Indore, INDIA},
}

RIS Style Citation:
TY - JOUR
UR - https://www.ijcseonline.org/full_spl_paper_view.php?paper_id=593
TI - Quantum Computers
T2 - International Journal of Computer Sciences and Engineering
AU - Megha Roy, Soumen Santra, Sarasij Majumdar
PY - 2019
DA - 2019/01/20
PB - IJCSE, Indore, INDIA
SP - 57-62
IS - 01
VL - 07
SN - 2347-2693
ER -

           

Abstract

Computers have become an indispensible part of our life. Advancements in the field of technology have led to smaller and more compact computers, while their processing power has increased. However, with parts getting smaller and more compact, quantum physics are making things a bit problematic. Transistors act like switches, either allowing electrons to pass through or blocking their passage. Transistors are already almost as small as atoms. Electrons will eventually be able to transfer themselves to the other side of the blocked passage via a process called quantum tunneling, making transistors useless. Classical computers and the way it works stop making sense in the quantum realm. A possible solution to this problem could be quantum computers, which takes advantage of quantum principles to work. In this paper, an overview of quantum computers, their working principles and the basics of the math behind such computers have been discussed. The future scope of such a computer, problems associated with implementing it as well as the problems to be dealt with in case a scalable quantum computer is built is also provided.

Key-Words / Index Term

Quantum Computer, Qubit, Quantum Gates, Decoherence, CNOT, Hadamard Gate, Pauli Gates, Phase Gates, SWAP Gate, Entanglement, Quantum Algorithm, Quantum Fourier Transform

References

[1] What is quantum computing?- IBM Q
[2] Quantum Computers Explained- Limits of Human Technology- Kurzgesagt- In a Nutshell
[3] A Beginner’s Guide to Quantum Computing- IBM Research
[4] Quantum Computing for Computer Scientists- Microsoft Research
[5] Building the Bits and Qubits- Frame of Essence
[6] Quantum Logic Gate- Wikipedia
[7] Demystifying Quantum Gates- One Qubit At A Time- Towards Data Science
[8] How Does a Quantum Computer Work?- Veritasium
[9] Siddhartha Kasivajhula- Quantum Computing- A Survey
[10] Michael A. Nielsen & Isaac L. Chuang-Quantum Computation and Quantum Information
[11] Quantum Supremacy- Wikipedia
[12] Microsoft- Quantum Gates and Circuits: The Crash Course