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Study on Transmission Probabilities for Some Rectangular Potential Barriers

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Study on Transmission Probabilities for Some Rectangular Potential Barriers


Aye Than Kyae | Htay Yee | Thida Win | Aye Aye Myint | Kyaw Kyaw Naing



Aye Than Kyae | Htay Yee | Thida Win | Aye Aye Myint | Kyaw Kyaw Naing "Study on Transmission Probabilities for Some Rectangular Potential Barriers" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-5, August 2019, pp.1891-1898, URL: https://www.ijtsrd.com/papers/ijtsrd26813.pdf

In this research, we apply the time independent Schroedinger equation for a particle moving in one dimensional potential barrier of finite width and height. We study the two cases which corresponds to the particle energies being respectively larger and smaller than the potential barrier. Then, we calculate transmission coefficient (T) as a function of particle energy (E) for a potential barrier by changing the barrier height (V0) and width (L) using Propagation Matrix Method. If we keep the barrier width constant and varying the height, we see that the passing limit is shifting towards the higher energies when barrier height is increased. If we keep the barrier height constant and change the barrier width, we see significance change in oscillations.

Rectangular Potential Barrier, Propagation Matrix Method


IJTSRD26813
Volume-3 | Issue-5, August 2019
1891-1898
IJTSRD | www.ijtsrd.com | E-ISSN 2456-6470
Copyright © 2019 by author(s) and International Journal of Trend in Scientific Research and Development Journal. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0)

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