Purchase Solution

Transmission and Reflection From a Potential Step

Not what you're looking for?

Ask Custom Question

Find the solution of Schrodinger equation for a particle of mass m and energy E incident from the right on the potential step shown in fig 3.14 (attached file). Compare the probability currents in the reflected wave and in the transmitted wave with the probability current in the incident wave, and deduce the probabilities of reflection and transmission.

Attachments
Purchase this Solution
Solution Summary

The solution demonstrates how to get the transmission and reflection coefficients for a step potential when E>V0

Solution Preview

Thank you for posting your question to BrainMass!
The solution is ...

Purchase this Solution
Free BrainMass Quizzes
Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

The Moon

Test your knowledge of moon phases and movement.

Basic Physics

This quiz will test your knowledge about basic Physics.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

View More Free Quizzes
Related BrainMass Solutions

  • Reflection and the Transmission at a Potential Step Down

    197146 Reflection and the Transmission at a Potential Step Down Please see the attached file for the questions. Please see the attached documents for the solution. There were some minor corrections in Problem4.pd and that one also is attached.

  • Transcendental equation for a semi-infinite potential well

    I have shown each and every step in obtaining an expression for the quantized energy states and reflection coefficient of a semi infinite potential well for the cases of E < Vo and E > Vo respectively.

  • Modern physics: photon energies, wavelengths, oscillators, etc.

    Let 10.0 eV electrons approach a potential barrier of height 4.4 eV. (a) For what minimum barrier thickness is there no reflection? (b) For what minimum barrier thickness is the reflection a maximum? Please see attached.

  • Transmission Line and Inductance

    s=(1+0.09)/(1-0.09)=1.20 This solution contains step-by-step calculations to determine L, C and T and S for the lossless transmission line.

  • Calculate the exact reflection and transmission coefficients

    124631 Calculate the exact reflection and transmission coefficients Calculate the exact reflection and transmission coefficients, without assuming mu1=mu2=mu0. Confirm that R +T = 1.

  • Analysis of reflections on a transmission line

    We now denote the negative propagating voltage originating from the load and transmission line junction point as V- given by (6).

  • Perturbation of a negative potential time dependent problem

    The match between the regions sets the value for k The energy of the particle determines if transmission or reflection occurs we want bound states such the Estep The negative region for x gives B'e^(ik'x).

  • Optical fibre

    549416 Applied Physics: Optics Questions (a) Describe the terms of reflection, absorption, and transmission with suitable diagrams. Present and explain the relationship between reflection, absorption and transmission coefficients.

  • Description of Electromagnetics

    Let us label 3 points on the transmission line: A being the generator, B being the first resistor 1km away from the generator, and C being the 2nd resistor 150m away from the first.

View More Related Solutions