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Atomic, Solid State, Comp. Physics

- Exp. & theo. methods for atoms, molecules, condensed matter
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Jan16-12 Greg Bernhardt
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Feb23-13 08:41 AM
ZapperZ
1 25,701
I have seen, in several places, derivations of a formula for the current flow in a 1d quantum wire connected to...
Dec28-08 02:53 AM
lion8172
0 1,432
How to separate the spectrum of cadmium in the experiment zeeman effect to two lines if we look at it in parallel to...
Jan24-09 03:26 PM
AFM
0 1,432
I read a book about Feynman,saying that the chemistry may be explained by quantum physics. I got a question now: Are...
Feb6-11 01:19 PM
alxm
6 1,432
Hi there! I'm studying the hydrogen molecule. According to the MO technique I start from one-electron molecular...
Feb24-11 11:08 AM
eoghan
3 1,433
Is there a book that can help to understand LAPW (linearized augmeted plane wave method) method in an easy way? All...
Feb24-14 09:09 AM
Douasing
2 1,433
Dear Physics Forums users Eq. 2.60 of Ashcroft, Mermin is \int \frac{d\vec{k}}{4\pi^3} F(E(\vec{k}) = \int_0^\infty...
Feb12-13 12:59 PM
Ilmrak
7 1,434
I hope this is posted in the correct forum; From what I remember in school, Hydrogen (atomic weight 1) consists of...
Sep26-12 07:27 AM
HowardS
3 1,434
Hi Often in the context of multi-atom systems, such as in cavity QED, it is customary to introduce a so-called...
Nov5-12 12:16 PM
Niles
2 1,434
Hi, Does anyone know where I can find the dielectric function of PTFE (Teflon) ? Thank's
Jun26-14 10:36 PM
Greg Bernhardt
1 1,435
Im just curious if Humans have created anything harder than a diamond.
Sep26-12 12:43 AM
ImaLooser
5 1,436
What's the difference between "Elementary exitations" and "Quasiparticle"? Thanks!
Jul11-09 02:37 PM
Bob_for_short
1 1,437
Hello members, IF some in this forum have access to VIBRATZ software , please let me know....i need to make some test...
Jun5-08 12:58 PM
Rajini
0 1,438
We know that at zero degrees kelvin the only energy is zero point energy. As we heat a substance, the atoms move...
Dec3-11 02:52 PM
juanrga
2 1,438
Hello, Please could someone explain what properties an icosahedral quasi crystal has which make it differ from a...
Jan8-09 11:40 AM
saray1360
1 1,439
I did a bit of x-ray spectroscopy in labs studying Fluorescence of some different elements. I was just wondering...
Apr16-09 07:44 AM
Vanadium 50
2 1,439
http://www.electronicsweekly.com/Articles/2009/06/15/46283/toshiba-claims-germanium-breakthrough-for-16nm-chips.htm ...
Jun20-09 12:27 PM
sokrates
7 1,440
I've been looking on journals and textbook, as well as internet. Does anybody know if there is an equation to find out...
Dec12-12 12:23 PM
ZapperZ
3 1,440
Does anyone know of an article that has a good in-depth, side by side comparison of DFB edge emitting lasers and VCSEL...
Oct1-13 04:30 AM
UltrafastPED
1 1,441
Superconductivity says that below certain temperature, certain materials offer 0 resistance to the current flowing...
Jul11-13 12:51 PM
ZapperZ
3 1,442
Entropy is in my book defined as: S = k ln\Omega , where \Omega is the multiplicity of the microstates. Now I...
Feb23-12 09:47 PM
Useful nucleus
1 1,442
Who can explain the following questions about transfer matrix? formula (31) in New Journal of Physics, Vol.12...
Mar29-12 06:46 PM
PRB147
0 1,442
how to calculate the phase change of the reflection when the electrons hit the bandgap of a metal from another metal...
Jul23-08 09:53 AM
Gokul43201
3 1,443
Can anyone explain why these two field patterns are so similar? The (3,2,1) hydrogen wave function, and this ...
Feb8-09 09:21 AM
nuby
6 1,443
is that at equilibrium, energy,U=0 from the equation below? U(R) = −(A /R6 )+ (B/R12 ) i nid to differentiate the...
Mar2-09 08:04 AM
alxm
1 1,443
hey, I have a question, it might be really stupid, but I'm probably not as smart as any of you here. Anyway: if you...
Sep25-08 08:03 AM
Astronuc
3 1,444
The electron-lattice interaction potential is given by V(r)=\sum_{i} Q_{i}\nabla V_{ei} \left( r- R_i\right) ...
Aug21-09 05:54 PM
olgranpappy
1 1,444
dear all I work with a spectrophotometer "Carry 17D". below 300nm wavelenght the transition spectrom have lots of...
Jul29-11 09:22 AM
Claude Bile
1 1,444
i search all over the web but i cannot find the definition. Although I find all the literature saying that metal have...
Jul21-14 12:50 AM
analogdesign
2 1,444
Hello everyone, I am new here. I have a simple question: Does there exist a single point within a crystal about which...
Jun20-09 08:17 AM
tothetop
0 1,445
Hi, One of the fields of condense matter is molecule dynamics.I want to know does quantum mechanics use in this...
Feb3-09 11:57 PM
kanato
2 1,446
Hi all members, I have some problems with my assignment here. I would like to confirm on something on SEXAFS...
Sep24-09 06:34 AM
zixue
0 1,446
I have a bunch of synchrotron mar plate images and am calculating the degree crystallinity of samples from these data....
Nov17-11 01:43 PM
ruckby
0 1,446
Hi all, I have several raman spectra where the intensity peaks are of different amplitude but the wavelength peaks...
May4-12 11:19 PM
eeyoreturnip
0 1,446
Hi. I am trying to calculate the hole carrier density in a quantum well. The expression I have is as follows ...
Apr10-10 06:37 AM
Cerkit
0 1,447
Hello, I would be grateful is someone could explain what the irreversibly temperature in type II superconductors is. ...
May22-11 04:54 AM
M@2
1 1,447
Hello , Maybe this topic has basic understandings of quantum mechanics and involves some mathematic theory...
Nov4-10 06:07 AM
PRB147
1 1,448
Hi all, Currently, I'm reading the paper: Direct to indirect band gap transition in ultrathin ZnO nanowires under...
Jun19-11 12:02 PM
SpectraCat
1 1,448
First off, I must ask if the reflection of a photon is truly an elastic collision; is it? If it is, then wouldn't...
Sep6-13 09:40 AM
Claude Bile
7 1,448
Can someone please explain to me qualitatively why the Hall contant Rh is inversely proportional to the electron...
Mar18-12 06:01 PM
sarmas
0 1,449
I have having difficulty understanding why the ground state configuration of helium has a wavefunction that is the...
Jun14-12 08:23 AM
mfb
1 1,449

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