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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 24,871
Hey, I was wondering if anybody could give me a brief overview (if possible) of how weak localization differs from...
Jan4-14 05:53 AM
jbar18
3 881
I work as a machinest and Mill mostly aluminum. I was wondering if the billets are Aluminum its crystalline form? Or...
Jul24-10 09:41 AM
AJ Bentley
6 1,255
The problem said: "Determine the magnitude of the Schmid factor for an FCC single crystal oriented with its ...
Mar5-10 12:24 PM
Mapes
3 21,057
Hi guys, I have an question about the correlation between grain size caculated from debye-scherrer and the AFM...
Nov21-11 10:39 AM
samira_63
1 13,618
Can anyone explain how pseudopotentials are calculated using density functional theory?
Mar3-08 05:15 AM
handsomecat
10 2,994
Iím hoping someone will help me fill in some holes in my understanding of the electronic wavefunction. I...
Jun25-09 02:18 AM
kanato
6 6,927
I'm looking in a textbook at a discussion of a semiconductor quantum well which is being irradiated and an absorption...
Dec1-10 06:00 AM
Cthugha
1 2,225
As I understand it, an exciton is created when an electron is liberated from the valence band of a semiconductor, but...
Jan15-11 06:04 AM
Cthugha
1 1,346
I'm trying to find out about how photodiodes work. I'm aware that they are used as light detection instruments, as...
Jan22-11 01:38 PM
granpa
3 1,233
Say we had a material which contains nanoparticles with uniaxial magnetic anisotropy - single domain...
Sep5-11 10:31 AM
diffractal
1 9,781
I'm having a bit of trouble understanding what's going on with the energy diagram of a PN junction. For your normal...
May24-11 02:52 AM
DrDu
2 3,302
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 1,464
I have two questions regarding rotational kinetic energy. I know that rotational kinetic energy is defined as: KE...
Sep19-13 09:47 PM
NLB
1 1,507
Background: I have a BS in CompSci, not Physics, so if this question stuns you in its naivete, please forgive me. In...
Apr4-10 01:26 AM
PhaseShifter
6 2,740
I have been trying in many locations (unsuccessfully) to find the electrical permittivity value for heavy doped...
Jan23-08 06:32 PM
jeffmjohnski
0 15,641
<iframe width="640" height="360" src="http://www.youtube.com/embed/oSCX78-8-q0?feature=player_embedded"...
May1-13 03:01 PM
jtbell
2 778
I'm studying A2 (second year college) physics and im supposed to be finding out about the size of an atom and how it...
Aug27-08 05:53 AM
jenko4292
6 5,903
Wave functions of a Kronig-Penny model with the limit (Uo →∞) are considered in this question. The wave functions for...
Apr20-12 01:41 PM
Jenkz
0 1,322
Hi, i am running a hard disks molecular dynamics simulation. I would like to compare the radial distribution function...
Jun6-11 01:46 PM
Timo
1 1,938
This is a question regarding time and atoms. My question is this: if one were able to stop the occurence of time, or...
Dec2-04 01:23 PM
PhilipF
5 1,878
A few questions about BEC: A) When these bosons condensate, many particles fill the ground state. I read from...
Jul18-07 02:00 PM
Gokul43201
4 2,330
Hi. I have been looking at some lecture notes. What is not so clear for me is, how the imaginary part of the...
Feb24-09 01:57 AM
jet10
5 2,324
Would a piezoelectric crystal create a negative voltage if held within a vacuum? Perhaps it's my misunderstanding of...
Sep3-13 06:41 AM
jf2086
9 1,061
I have been tripping over this for a while. If heat and sound are both essentially vibration, is it possible for...
Dec1-05 09:15 PM
jfxjmn
3 1,321
To determine the Fermi Energy for metals such as sodium, copper, gold, ect., one needs the Electron Concentration per...
Mar30-09 01:45 PM
lbrits
2 4,116
Hi all, I'm preparing a talk about Curie Temperature, and looking for some Ms(T) graphs in the web I've found some...
Nov5-11 06:20 AM
jglezag
2 1,746
hello. I'm studying a project on Thz radiation and have to establish what material would make a good THz detector....
Jan8-09 05:53 AM
0xDEADBEEF
3 2,354
can any one tell me please what is the light spot in these picture ? http://i41.tinypic.com/j5h4jn.jpg
May3-10 05:35 PM
physiagy
6 1,369
hi i am study the optical effect of alpha radiation and gamma radiation on cr-39 detector i want good reference...
Sep23-12 08:24 PM
Drakkith
2 901
Can we measure the band energy gap from Fluorescence spectra? If yes, in what way? the excitation spectra or the...
Jun18-13 08:53 PM
Simon Bridge
4 1,017
Dear all, I think I'm having trouble with my radial distribution function (RDF) calculation and would greatly...
Jun14-10 09:55 AM
jhsu
1 3,710
I recently have a puzlle that what is the relation between the periodic part of Bloch function in primitive cell...
Jul21-10 08:53 AM
jhzhou2010
2 1,397
Why the numberof available configuration increase when air expand? (If P and T are constant.) For...
Nov25-11 08:01 AM
jiadong
0 1,117
I am trying to understand the IR spectra of liquid. I can get the autocorrelation function of atoms' velocity,...
Oct25-12 09:26 AM
jiadong
6 1,963
Why"for small or stiff systems the dynamics is not ergodic"? For small system, the fluctuation of total energy...
Feb14-13 08:55 AM
jiadong
0 495
How to prove that wave function at \Gamma point can always be a real function? I know it is not true for general k...
May10-12 02:54 PM
DrDu
7 2,634
regards, i m doing my MSc in glass ceramic, i ve read in journals saying that when glass are heated above its...
Jul12-10 11:09 AM
jied
5 1,228
Hi all. I love the fact that you have this forum! I need help with a problem of mine that has been lingering in the...
Feb5-10 04:48 AM
Claude Bile
7 1,330
What is lithium gas? Lithium is a solid metal (At room temp). Is lithium gas super heated Lithium in gasious form?...
Feb7-10 04:37 AM
Borek
1 4,059
Just want to check that I have got understanding correct. To compute molecular polarizability need to use method...
Nov3-08 12:42 PM
olgranpappy
1 1,694

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