Modern Physics, 3rd Edition
3rd Edition
ISBN: 9780534493394
Author: Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher: Cengage Learning
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Question
Chapter 7, Problem 15P
To determine
The transmission coefficient for each of the individual barrier also prove that the form of Equation 7.10 is recovered in the case where
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Students have asked these similar questions
Recall the signal-plus-noise model
X; = St + v1,
where s; is the nonrandom siginal series and v; iz the zero-mean noise time series (NOT necessarily white
noise).
Suppose the autocorrelation function (ACF) of {v;} is given by p,(s, t). What is the ACF px(s, t) for {x; }?
Confirm your answer.
Q1: A one dimensional potential barrier is shown in the figure below. Calculate the transmission
coefficient.
E
E >V1 > V2
V1
V2
x=0
x= a
With wavefuction in each region as follow:
41(x) = eikix + Be¬ik1x,
%3D
42(x) = Cek2* + De-ik2*,
And
3(x) = Eeik3x
%3D
Then use: h = 6.625 10-34Js, m = 9.109 10-31Kg, e = 1.602 10-19, E = 5 e, V1 = 0.6 E, V2 =
%3D
2mE
E, k2 =
2m(E-V1)
,k3
2m(E-V2)
0.4 E, k, :
to find the value transmission coefficient.
Q.18. Verify the statement in the text that, if the phase velocity is the same for all
wavelengths of a certain wave phenomenon (that is, there is no dispersion), the group and
phase velocities are the same?
Chapter 7 Solutions
Modern Physics, 3rd Edition
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