meta user
network profile
| bio | website | ziga-lausegger.netau.net/… |
|---|---|---|
| location | Slovenia | |
| age | 27 | |
| visits | member for | 1 year, 5 months |
| seen | 24 mins ago | |
| stats | profile views | 177 |
I love to program and crosscompile baremetal C programs for ARM based microcontrollers, I love physics and i love writing science documents/books in LaTeX. It amazes me how physics is connecting all science and is helping mathematics to evolve. In order for science profession to comunicate on a high level i advise everyone to use Linux, LaTeX and a good vector imaging program like Inkscape.
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May 1 |
comment |
QM formalism is one big confusion - lack of geometrical explaination with images Than please sugest the best linear algebra book there is for a QM selftaught freshman. |
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May 1 |
asked | QM formalism is one big confusion - lack of geometrical explaination with images |
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Apr 30 |
accepted | Schrödinger equation for a harmonic oscillator |
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Apr 30 |
comment |
Schrödinger equation for a harmonic oscillator Thank you. Where can i read more about Bra-Ket notation you used in the added derivation? I don't know how i can interpret this $ \hat{a}^\dagger \left| n \right\rangle = \sqrt{n + 1} \left| n + 1 \right\rangle$ |
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Apr 29 |
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Schrödinger equation for a harmonic oscillator Ok so i have come to the end of your derivation and all i need to know is two things. 1st: Why can we factor out constant $1/(x_0 y_0)$ when calculating a commutator $\left[\hat{X},\hat{P}\right]$ and 2nd: I need some sort of a proof that $\hat{N} = \hat{a}\,\hat{a}^\dagger$. |
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Apr 29 |
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Schrödinger equation for a harmonic oscillator Can i ask where did you use the commutator relation between $\hat{X}$ and $\hat{P}$? Does an $i$ means their order i need to multiply that by an $i$? |
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Apr 29 |
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Schrödinger equation for a harmonic oscillator Thank you very much for all your effort! I will need some time to digest this as it is a big leap for me. I have been avoiding eigenvectors and eigenvalues untill now, but suprisingly i managed to understand every single thing until this one. Could you point me to any good video/book explaining eigenvalues or eigenvectors? I am allso unfamiliar with commutators... Am i in a big trouble? |
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Apr 29 |
asked | Schrödinger equation for a harmonic oscillator |
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Apr 28 |
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Quantum harmonic oscilator - book that does it all right Is there any other? |
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Apr 28 |
asked | Quantum harmonic oscilator - book that does it all right |
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Apr 25 |
accepted | Tunneling and transmission |
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Apr 25 |
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Tunneling and transmission This is the first time i came across a matrix solving of 4 system equation. I understand how you wrote down a a matrix form, but i would need some explaination on, how you got the equation for $E$ in the end. I mean do i have to find an inverse matrix? Please be descriptive. |
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Apr 25 |
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Tunneling and transmission I don't know. Why would i just eliminate those? |
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Apr 22 |
revised |
Tunneling and transmission deleted 21 characters in body |
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Apr 22 |
asked | Tunneling and transmission |
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Apr 22 |
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Mass of a jumper, given height jumped and force exerted I am sorry i posted my anwser, but admin deleted it. My work was wasted... I don't like this. |
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Apr 15 |
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Potential step and its transmission / reflection But i am talking about potential step with only 2 regions. Not 3. |
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Apr 15 |
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Potential step and its transmission / reflection Why do averyone use $\psi_{2} = D e^{-i\mathcal K x}$ which looks like a sinus if i plot it in Wolfram alpha: wolframalpha.com/input/?i=e%5E%7Bix%7D&t=crmtb01 . On the other hand i think that we should use $\psi_{2} = D e^{-\mathcal K x}$ which falls towards zero nicely: wolframalpha.com/input/?i=e%5E%7B-x%7D This makes no sense to me... |
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Apr 15 |
revised |
Potential step and its transmission / reflection deleted 1 characters in body |
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Apr 12 |
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Potential step and its transmission / reflection Now that i know $j$, how can i now get equations for $T$ and $R$? |
