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Revisiting Expectation Values in Quantum Mechanics
Sagar Kumar Biswal1
Section:Review Paper, Product Type: Journal-Paper
Vol.9 ,
Issue.5 , pp.1-4, Oct-2021
Online published on Oct 31, 2021
Copyright © Sagar Kumar Biswal . 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: Sagar Kumar Biswal, “Revisiting Expectation Values in Quantum Mechanics,” International Journal of Scientific Research in Physics and Applied Sciences, Vol.9, Issue.5, pp.1-4, 2021.
MLA Style Citation: Sagar Kumar Biswal "Revisiting Expectation Values in Quantum Mechanics." International Journal of Scientific Research in Physics and Applied Sciences 9.5 (2021): 1-4.
APA Style Citation: Sagar Kumar Biswal, (2021). Revisiting Expectation Values in Quantum Mechanics. International Journal of Scientific Research in Physics and Applied Sciences, 9(5), 1-4.
BibTex Style Citation:
@article{Biswal_2021,
author = {Sagar Kumar Biswal},
title = {Revisiting Expectation Values in Quantum Mechanics},
journal = {International Journal of Scientific Research in Physics and Applied Sciences},
issue_date = {10 2021},
volume = {9},
Issue = {5},
month = {10},
year = {2021},
issn = {2347-2693},
pages = {1-4},
url = {https://www.isroset.org/journal/IJSRPAS/full_paper_view.php?paper_id=2559},
publisher = {IJCSE, Indore, INDIA},
}
RIS Style Citation:
TY - JOUR
UR - https://www.isroset.org/journal/IJSRPAS/full_paper_view.php?paper_id=2559
TI - Revisiting Expectation Values in Quantum Mechanics
T2 - International Journal of Scientific Research in Physics and Applied Sciences
AU - Sagar Kumar Biswal
PY - 2021
DA - 2021/10/31
PB - IJCSE, Indore, INDIA
SP - 1-4
IS - 5
VL - 9
SN - 2347-2693
ER -
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Abstract :
Quantum mechanics is a relatively new branch of physics as compared to the other branches. Many of its concepts are a bit confusing, which is quite obvious, because it completely destroys the classical intuitions of physicists as well as students. But some of its concepts have a classical mechanical analogy and one such concept is the concept of expectation value of observables or operators in quantum mechanics. In a way it is related to the concept of centre of mass in classical mechanics. So, in this paper, first, a review of this concept and its correspondence with centre of mass and later the reason behind the naming of this concept is discussed in brief.
Key-Words / Index Term :
Expectation value, Weighted average, Centre of mass
References :
[1] Resnick, Robert, and Robert Eisberg. Quantum physics of atoms, molecules, solids, nuclei, and particles. J. Wiley, pp. 141-147, 1974.
[2] Zettili, Nouredine. "Quantum mechanics: concepts and applications.", pp. 30, 2003.
[3] N. Barik, M. Das, P. K. Jena, Quantum Mechanics: Basics and Applications, 2nd reprint-, pp. 69-73, 2019
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