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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 25,732
Hello My name is Peter I know that so far some couple of people manage to make a Bose -Einstein condensate...
Jun1-10 08:20 AM
graphene
4 2,284
Now, the Nobel Prize in chemistry is out and it has been given for the discovery of quasi-crystals. I consider ...
Oct26-11 01:48 AM
DrDu
8 2,284
Basically phonons in crystals can either be acoustic or optical according to my book. But then it stresses that a...
Sep24-13 07:58 AM
ehild
9 2,284
As someone who has studied little about this subject, I'm posting a naive question. Given that most natural phenomena...
Nov17-10 12:04 PM
maverick_starstrider
9 2,282
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 2,281
Hi everyone, I'm working on spin-wave theory and I have a problem with a bogoliubov transformation. I must do the...
Dec17-10 02:10 AM
DrDu
5 2,280
Experiments in nuclear magnetic resonance for example, demonstrate that precessing atomic nuclei do it so smoothly. At...
May27-09 10:03 AM
giann_tee
11 2,277
Hello, I'm studying digital integrated circuits and I'm new to solid state physics. I've studied PN junctions, drift...
Feb26-13 11:42 AM
eliotsbowe
0 2,277
Hi Anyone, This is my first post here and i have a bit of a quandry. I'm doing some work related to hyperfine...
Mar6-10 09:55 AM
tensus2000
2 2,276
One of Newton's laws(1 or 2) states that every force has an equal and opposite force. Coulomb's law describes...
Apr23-07 02:44 PM
quetzalcoatl9
2 2,275
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 2,274
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 2,273
Hi, first post here. I've been trying (out of personal interest, not homework) to re-derive Hylleraas's relatively...
Mar8-09 05:19 PM
0xDEADBEEF
1 2,271
:confused: Hello everyone: I am a newbie in Quantum Chemistry and I want to do some calculation on some physical...
Dec16-04 04:51 AM
leoant
9 2,270
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 2,269
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 2,268
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 2,268
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 2,267
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 2,266
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 2,265
what is modulo associated with z2 invariant?
Oct23-10 06:39 AM
hiyok
4 2,264
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 2,263
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 2,262
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 2,262
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 2,261
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 2,258
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 2,257
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 2,257
I want to understand MRI and what exactly is T2. I have read the November issue of Sci-am and I'm still confused what...
Jul17-11 06:05 AM
ZapperZ
1 2,255
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 2,254
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 2,253
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 2,253
Dear Physics forum users The below figure is from http://pubs.acs.org/doi/full/10.1021/jp0009305 In Fig. 3,...
Aug24-12 07:46 PM
funiverse
6 2,252
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 2,252
Hello. I am currently a freshman in college and finding the chapter on Quantum Mechanics incredibly interesting....
Apr24-09 04:34 PM
amk0713
0 2,251
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 2,251
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 2,250
:rolleyes: Is a conductive movement of an electron inside a band a particular infraband non-radiative transition?
Dec10-05 05:54 AM
armandowww
15 2,248
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 2,247
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 2,245

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