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Atomic, Solid State, Comp. Physics

- Exp. & theo. methods for atoms, molecules, condensed matter
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Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Feb23-13 08:41 AM
ZapperZ
1 20,733
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 1,370
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 1,370
Can I say that monocrystals, polycrystals,crystalline ... are types of crystals? What is the difference between...
May8-10 07:50 AM
Rajini
3 1,370
In van der Waals' equation for real gases, the adaptation to account for intermolecular attractions in real gas is...
Aug14-11 11:06 AM
cyborg6060
0 1,370
I've read (in wikipedia, at least) that neutron-degenerate matter is unstable in small quantities, and would decay...
Jan22-11 02:11 AM
syhprum
1 1,371
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 1,371
Considering the Nearly Free Electron model of solids, where we assume the valence electrons of some one dimensional(!)...
Jun25-13 09:37 AM
moj20062001
1 1,371
Hi all, I'm doing classical (Monte Carlo) simulations on crystal structures using so far the following tail...
Dec25-09 07:47 AM
aihaike
0 1,372
Is hyperfine splitting the same as polarization? If not, what's the difference? Thanks.
Jan25-11 07:13 PM
guyguy
3 1,372
Can any one explain physically why the scattering factor is small for back reflection in case of hydrogen i.e...
Apr25-05 09:55 PM
System Engineer
6 1,373
While solving the Schrodinger equation for Hydrogen atom, we use the reduced mass and get the wave functions of the...
Jun13-10 01:10 AM
akbmurugan
2 1,373
Hi. Could anyone explain me what is a heterostructure clearly? And when a heterostructure is a quantum well?
Feb7-09 05:55 AM
Arham
2 1,374
Hi all, Recently got to thinking about electrostatics and electron densities and band structures. If you have...
Jun13-07 04:18 AM
gareth
4 1,375
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 1,375
Consider a two-electron system in which both of electrons have the same spins. They like to repel each other and so it...
Nov20-12 08:48 PM
OhYoungLions
4 1,375
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 1,376
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 1,376
what happen at atomic level to hydrogen under high pressure ..... why it be come metal? any explanation in term of...
Oct21-11 03:21 AM
tommyli
1 1,376
How does the orbital angular momentum of two electrons in the same shell and same energy state cancel each others...
Aug11-09 04:13 PM
bluestar
3 1,377
In superconductivity, Meissner effect describes the expulsion of magnetic field. Could this be described as a...
Dec14-09 10:53 AM
xepma
1 1,377
In chemistry I learned the bonding rules that I learned for various molecules never mentioned anything about the...
Jun3-10 12:31 PM
Pete99
1 1,377
user meopemuk mentioned this: In the case of a crystal model with periodic boundary conditions, basis translation...
Mar6-12 12:04 AM
Mechdude
2 1,377
It's a basic matter that atoms almost filling their upper band release energy when they become a negative ion,...
Nov14-12 10:18 AM
jorgdv
9 1,378
The formula for density of states in a free electron gas is g(E) = (3/2) (n/E_{F})\sqrt{E/E_F}. However, this looks...
Mar9-13 03:01 PM
chill_factor
9 1,378
Hi there, I've come across the term 'non-trivial topology' or 'non-trivial surface states' when researching...
Mar7-13 04:27 PM
DrDu
6 1,378
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 1,379
Ok I have a few different questions that put every other forum here to shame. Mostly cause I am only 15. ^_^ I still...
Nov30-05 03:00 PM
Zeyl
1 1,380
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 1,380
Hi We know that there is no unique primitive cell, meaning there is no unique choice of primitive vectors. Now,...
Feb11-11 07:54 PM
caffenta
1 1,382
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 1,382
I've finished a lab with Scanning Tunneling Microscopy in an upper level physics undergrad course, and now I have...
Apr11-10 05:30 AM
abhi2005singh
1 1,383
Hi all... I am just starting off with the monte carlo methods... I have done some work with self avoiding walks and...
Jul28-10 05:42 PM
Timo
1 1,383
I'm trying to get my head around the step function and the energy states of the quantum well. What I've got so far is...
Jun4-11 12:43 PM
jeebs
0 1,383
Can anyone please show me the working on calculation of relative isotopic mass of any isotope?? thanks a lot!!
Mar14-12 08:29 AM
Yh Hoo
0 1,383
I have some PuO2 sample data taken at room temperature, and unfortunately the only standard I have in my database for...
Nov28-11 11:00 AM
doollas
1 1,385
Hey Guys :smile: Is there a good lecture series on condensed matter physics ( Undergraduate level) I found lecture...
Jun14-12 07:58 AM
manab_4u
0 1,385
Greetings everyone! I have been reading the forums for a while now, however I have just registered and this will...
Jan22-08 09:25 AM
duraluminium
3 1,386
When two phonons interact in a material that is being heated, where does their energy go? Are the electrons in...
Mar8-09 08:48 PM
Manchot
2 1,386
Revered Members, When we dope a pure Germanium or Silicon with pentavalent impurity or trivalent impurity, the dopant...
Dec2-11 12:55 AM
logearav
3 1,386
I'm trying to investigate molecular dynamics simulation for MgO, although this research is somewhat new to me. For...
Jun8-12 05:22 AM
Hypatio
2 1,388

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