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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 25,915
This question is directed at resident theoretical electron physicists in PF Regarding Azimuthal Quantum Energy...
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How can we translate real-world positions into a computer language? An example would be to simulate a ball bouncing...
Y 02:02 AM
jedishrfu
1 124
The torque contribution due to the uniaxial anisotropy is given by the equation below \frac{\Gamma}{l_m K} = (2...
Y 01:04 PM
apervaiz
2 147
"Volume of a primitive cell is independent of the choice of the cell." Why?
Aug29-14 07:41 AM
M Quack
1 159
I have done the computations of band structure of cobalt adsorbed graphene. In 3x3 supercell of cobalt adsorbed (one...
T 08:32 AM
t!m
2 169
Hi, there. I don't understand how the light travel in the medium which has the index of refaction below one from...
Aug27-14 07:53 AM
Simon Bridge
2 199
Hi Physics Forums! I'm a bit stuck here. I'm fairly sure I intuitively know the answer here, but am looking for...
Aug27-14 06:07 PM
mfb
1 225
I was reading about ferrofluid and I was wondering how you would go about calculating the maximum size of a particle...
Y 12:55 AM
Warpspeed13
12 228
When light passes in glass, water etc then velocity is reduced and direction changes HOW?
Aug25-14 07:50 AM
smk
2 255
Dear mates: During ionization with radiant energy there is a photon emission (see ...
Aug20-14 09:56 PM
euquila
3 263
I have some XPS spectrums that I am trying to fit (my first time doing so), using XPSpeak. I understand that for...
Aug18-14 03:18 AM
M Quack
1 284
After specifying the primitive vectors of a structure namely (a,b,c) in Wien2k, one has to specify locations of atoms...
T 07:51 AM
hokhani
3 294
what is the rule of delta E= A/r^12 _ B/r^6 ????
Aug16-14 05:04 PM
Vagn
1 305
I am trying to understand what is meant by the phrase 'absorbed and emitted bosons'. Is it the same as destroyed and...
Aug19-14 12:41 PM
AlexanderRios
2 325
Hi Guys, I read that the Fermi level of semiconductor, like germanium, is in-between the completely occupied upper...
Aug16-14 12:28 AM
Simon Bridge
1 340
Why are absorption cross sections for atoms so much larger than that of molecules. For example, the absorption...
Aug21-14 02:33 AM
Simon Bridge
4 356
I've heard any many places that the density of states (DOS) can be determined from an x-ray photoelectron spectroscopy...
Aug4-14 01:37 AM
t!m
1 358
I'm writing a little bit of Mathematica code that should be able to make a reasonable powder diffraction spectrum. The...
Aug23-14 03:52 PM
M Quack
4 362
Hi, I have a question regarding the temperature dependence of the light yield in scintillators. I will attach a...
Aug18-14 12:32 AM
e.bar.goum
2 363
Dear All, for different oxidation states of the same element in X-ray photoelectron spectroscopy measurements,...
Aug13-14 10:17 PM
Greg Bernhardt
1 368
To whom is able to answer this: I think that when radiant energy get in contact with matter three basic phenomena...
Aug14-14 03:26 PM
mathman
1 391
So i'm trying to use the excitation law of Boltzmann and the ionisation law of Saha to calculate stuff about what...
Aug12-14 03:56 PM
Greg Bernhardt
1 408
Hi Guys! I have a confusion which I hope you can help clear up. The mathematical expression of the first law of...
Aug3-14 12:02 AM
Simon Bridge
1 410
Why is electron rotating in h/2pi orbit does not radiate energy
Aug13-14 12:50 PM
cbram
4 416
Hello guys, first post in this forum :) Magnetism has always been complicated to understand for me, and I would...
Aug12-14 03:28 PM
M Quack
3 418
My base understanding of the solar cell is as follows: Light hits metal in solar cell and emits electron via...
Aug1-14 09:22 PM
t!m
1 420
What is "thermal rounding"
Nov21-13 06:41 AM
fizikbrat
0 421
Hello all, I'd truly appreciate if you could provide me with guidance on this. I'm trying to find the electric...
Apr9-14 11:51 AM
npathmat
0 422
As far as I understand, when forward biased voltage applied, electrons from N diffuse to P, then recombine. Since...
May1-14 01:44 PM
Cthugha
2 427
Hello PFers! I hope everyone is doing well. Here's my question: The way I understand it (imperfectly, of course),...
May7-14 08:18 AM
ViolentCorpse
2 430
Hello, as we all know, in compound solids atoms are always vibrating with some degree, depending on the temperature...
Apr22-14 06:16 AM
M Quack
2 433
What is the difference between complete and incomplete mode locking in charge density wave systems?
Aug3-14 12:01 PM
Greg Bernhardt
1 436
Hi people, I'm researching about the interactions of two carbon atoms using the Lennard-Jones potential and I need...
Aug19-14 09:15 PM
Kjiel
2 437
hello everyone.. 1) what is the magnetic properties for indium oxide? i hope that it has ferrimagnetic properties...
Apr24-14 10:39 AM
UltrafastPED
1 439
Would one expect the emission and absorption spectral lines for Hydrogen to be at slightly different frequencies ? So...
Y 01:57 PM
neilparker62
7 446
I understand that electron-hole produced when certain energy in form of a photons applied to atom that electron can...
Apr29-14 09:24 AM
DrDu
3 451
Can an atom be considered as an example of a dipole? It has positive charge in the nucleus and negative charge around...
Apr20-14 06:31 AM
Vanadium 50
2 452
Hi, I got the complex conductivity vs. frequency table of a metamaterial. Its first lines are like this: f ...
Aug13-14 02:54 AM
DrDu
3 459
Hi Here is the number for the measured frequency for hydrogen 1s to 2s transition: 2 466 061 413 187 035 Hz ...
Aug8-14 04:51 AM
neilparker62
4 463
You can use transfer matrix method for 2d Ising model. Is there a list of models for which this method could be of...
Aug1-14 09:37 PM
t!m
1 464

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