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Hennessy's latest activity
Hennessy
replied to the thread
I
Qubits state calculation
.
yeah unfortunately my lecturer didn't give any reasoning , we asked why and he just said it was a "standard result" so i understood that...
Monday, 10:49 AM
Hennessy
reacted to
DrClaude's post
in the thread
I
Qubits state calculation
with
Like
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No idea. Were I asking such a question, I would want an answer in terms of θ and φ.
Monday, 10:47 AM
Hennessy
replied to the thread
I
Qubits state calculation
.
Hi Hill, Okay this makes more sense now and i see that we can pull out the 1/2 for sqr3/2 aswell so thank you for clarifying this and...
Monday, 6:40 AM
Hennessy
posted the thread
I
Qubits state calculation
in
Quantum Physics
.
Hello All, 2nd year undergrad taking my first course in modern physics. We have been given this question in a mock exam and at the...
May 12, 2024
Hennessy
reacted to
kuruman's post
in the thread
Help Calculating probability between 2 limits for the ground state
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Like
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When dealing with the wavefunctions related to the particle in a box situation, complex exponentials can be very handy for casting them...
Mar 14, 2024
Hennessy
replied to the thread
Help Calculating probability between 2 limits for the ground state
.
saved this now , thank you!
Mar 11, 2024
Hennessy
reacted to
PeroK's post
in the thread
Help Calculating probability between 2 limits for the ground state
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Like
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There's too much. To emphasise one point. QM is sufficiently complicated mathematically that it is difficult not to make mistakes here...
Mar 11, 2024
Hennessy
reacted to
kuruman's post
in the thread
Help Calculating probability between 2 limits for the ground state
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Like
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What Gaussian error functions? Here is another hack for you, bro. Break down sines and cosines into complex exponentials, integrate...
Mar 11, 2024
Hennessy
reacted to
PeroK's post
in the thread
Help Calculating probability between 2 limits for the ground state
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Like
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While we are at it, using parts: $$\int \sin^2 x \ dx = \sin x (-\cos x) - \int \cos x (-\cos x) \ dx$$$$= -\sin x \cos x + \int 1 -...
Mar 11, 2024
Hennessy
replied to the thread
Help Calculating probability between 2 limits for the ground state
.
tried putting it into an online integral calculator and it came back saying erg functions was all. So perhaps i should try to use...
Mar 11, 2024
Hennessy
replied to the thread
Help Calculating probability between 2 limits for the ground state
.
Yeah thats what ive learned so far on my course. Its more of a attempt the question yourself and when your really completely stuck look...
Mar 10, 2024
Hennessy
reacted to
PeroK's post
in the thread
Help Calculating probability between 2 limits for the ground state
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Like
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These days there are packages such as Maple or Mathematica or Wolfram Alpha that will do integrals and other calculations. And, the...
Mar 10, 2024
Hennessy
replied to the thread
Help Calculating probability between 2 limits for the ground state
.
This is now the updated Answer. $$ \psi(x) = \sqrt{\frac{2}{L}} \sin\left(\frac{\pi n x}{L}\right)$$ satisfies a free particle in a...
Mar 10, 2024
Hennessy
replied to the thread
Help Calculating probability between 2 limits for the ground state
.
DUDE WHAT THIS IS HACK ON LIFE BROOOOOOOOO, thank you so much
Mar 10, 2024
Hennessy
reacted to
BvU's post
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Help Calculating probability between 2 limits for the ground state
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No, where you wrote $$ \frac{2}{L}\int_{0.4L}^{0.5L} \frac{1 - \cos(2\pi x)}{2} dx$$ when you meant $$\frac{2}{L}\int_{0.4L}^{0.5L}...
Mar 10, 2024
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