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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 24,918
Could someone explain me an elementary introduction to this phenomenon ? i know that it is produced whenever an...
Aug13-08 01:44 AM
badphysicist
1 2,254
In BCS you make the assumption that the effective electron-electron interaction is constant within a small shell...
Dec4-05 02:46 PM
ZapperZ
1 2,253
when some energy is suplied to an electron in a higher energy level E2 then how come it drops down to a lower energy...
Sep14-07 11:08 PM
petr1243
4 2,253
Good Morning, The equations under investigation: Electrons: J = enμE + eD(dn/dx) Holes: J = epμE -...
Oct18-12 02:53 PM
Enthalpy
8 2,253
I've been using CASTEP via materials studio but want to use it directly in linux. How do you go about compiling it ?...
Aug5-07 02:59 AM
Vanechka
1 2,251
Hello , is there any one to help me. I'm just a beginer. I was trying to find out the pseudopotential for different...
Feb14-12 01:23 AM
shweta bhardw
1 2,251
Hi there, I am reading the book "Condensed Matter Physics" second edition by Michael P. Marder. It stated in page 9...
Apr30-12 11:07 PM
sam_bell
5 2,251
Hello, just a question, what happens when two series diodes (these two diodes are different, P+N junctions, with...
Oct24-12 01:55 PM
atomqwerty
0 2,251
I'm studying astronomy and I'm have these problems to solve, but there are a few things I don't really understand,...
Feb21-08 09:13 AM
Gokul43201
1 2,249
what is modulo associated with z2 invariant?
Oct23-10 06:39 AM
hiyok
4 2,245
Hi guys i have a question about how semiconductor materials absorb photons at less than the band gap energy....
Jan17-09 11:02 AM
Minich
4 2,244
I measured the heat capacity of a sample under various magnetic fields. When I calculated the magnetic entropy as a...
Jun1-12 09:35 AM
fuzhendong
2 2,243
Is anyone here familiar with the speed of a temperature wave through Si02 or other electrical insulators? Thanks, ...
Jul1-12 12:42 PM
marcusl
8 2,243
Say i have a thin metal strip clamped at both ends, the bottom clamp is fixed and the top is free to oscillate -...
Mar2-09 11:12 AM
SidVicious
0 2,242
I know that when a metal is compressed its fermi energy is increased. I would attempt to explain this by saying, "as...
Jan24-10 06:08 PM
rmanoj
1 2,240
hello all if some one here can help me to prove boltzman costant from SI unit to reach that k= 1.0356 x...
Jun15-10 11:52 AM
phys111
8 2,240
:rolleyes: Is a conductive movement of an electron inside a band a particular infraband non-radiative transition?
Dec10-05 05:54 AM
armandowww
15 2,239
Hello. I am currently a freshman in college and finding the chapter on Quantum Mechanics incredibly interesting....
Apr24-09 04:34 PM
amk0713
0 2,239
Hello, I'm trying to figure out if an atom undergoing alpha decay can knock out its orbital electrons. I was hoping...
May17-11 06:17 PM
Drakkith
5 2,239
In solid state we often have case \sum_{\vec{k}}F(\vec{k})=\frac{V}{h^3}\int_{I bz} F(\vec{p})d^3\vec{p} ...
Sep6-09 01:39 PM
Bob_for_short
6 2,238
Hello everyone, first post here. In trying to decipher the meaning of chemical potential, I feel as if at least in...
Aug19-11 11:04 PM
PRB147
3 2,238
Hello everyone, I have two questions about the Debye model (one historical and the other theoretical). 1. Debye...
Nov3-10 03:27 AM
DrDu
2 2,236
Hi I am reading about quantization of orbital angular momentum and, as I read, I am trying to compare it to the...
Sep20-12 11:09 AM
Niles
15 2,235
Hi I am reading about the force of a coherent EM-beam acting upon an atom, and I have a question in this regard....
Mar5-12 05:43 AM
M Quack
13 2,234
Hi, I am working on FEM methods as a part of my senior year project and I have written a poisson solver for the...
Dec16-11 08:47 AM
f95toli
1 2,233
How can I help my students to comprehend/understand the concept of reciprocal lattice (pictorially) and Brillouin zone?
Mar16-12 04:45 PM
Katastrofa
7 2,233
I'm using the TURBOMOLE program to do some basic HF calculations. They all went fine except for the single oxygen...
Nov23-10 07:09 AM
Morberticus
5 2,231
The equation can be obtained from the fact that the "canonical momentum of the ground grstate of superconductor is...
Dec18-12 09:17 AM
DrDu
5 2,230
Hallo ... I would like to know about the effect of the effective mass on the band structre of the materails..
Jul12-08 12:52 PM
ZapperZ
1 2,229
This article says that electron can be split into two: http://www.sciencedaily.com/releases/2012/04/120418134847.htm...
Apr20-12 01:04 AM
manojr
5 2,226
I know that in a semiconductor in thermal equilibrium generation and recombination are equivalent. This is obvious...
Jan27-08 04:40 PM
no_math_plz
5 2,225
I came across this question where there is a FCC lattice. It states that the lattice is a convolution of the simple...
Sep27-10 09:26 PM
nyxynyx
0 2,225
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
Hi all, I've been having a problem with understanding some of the van der Waals forces. I understand that the...
Sep6-11 06:21 PM
alxm
2 2,222
Hi folks, I am new to PF. First I have to apologize for the following english -- it is not my native language. I...
May22-09 01:45 AM
granpa
3 2,221
hey, I was asking myself a few questions about the selection rules for EM dipole radiation which occurs if electrons...
Jul4-10 05:00 PM
Dr Transport
3 2,221
Is it correct to say that the Ewald sphere and Brillouin Zone are both representations of k'=k+G? I'm comfortable...
Jun11-11 12:29 PM
johng23
3 2,221
Hello, I would like to ask if elements of higher atomic number than iron might actually be clusters made up of...
Jun5-11 01:50 AM
material
3 2,220
http://www.physicsforums.com/attachment.php?attachmentid=47524&stc=1&d=1337654803 It is a classic 2DE quantum well...
May23-12 06:50 AM
Cthugha
5 2,219
Can someone explain to me as simply as possible why the Laughlin states create energy gaps in the lowest landau level?...
Apr21-10 03:49 AM
genneth
4 2,217

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