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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 26,254
Of the following quantities, which increase and which decrease in the Bohr model as n increases? Frequency of...
Oct22-04 07:19 PM
Gokul43201
1 2,026
What is the ability of water running down the face of a solid surface to attract and collect air pollutants, such as,...
Jan24-08 01:37 AM
Grieverheart
1 2,025
I have managed to achieve a very good fit to my powder xrd patter. I have used the spherical harmonic form of strain...
Jul7-10 10:19 AM
phdojg
0 2,025
Hi How is it possible for a homogeneous molecule (i.e. one not having a permanent dipole moment and hence not IR...
Jan17-11 10:24 PM
basharatwant
2 2,025
I was asked question: "Why in case of photoelectric effect electrons closer to the atom are ejected and in case of...
Nov22-06 02:53 PM
savi
10 2,024
How to control the electron occupation numbers separately in coupled quantum dots? please give some references or...
Mar14-09 04:44 PM
PRB147
6 2,024
Why do photons repel one another?
Dec7-08 03:20 PM
psmarz
6 2,023
What is a Kohn anomaly? Can someone suggest me a a suited reference (book or website) to understand what is the kohn...
Sep23-09 10:47 AM
Davide86
0 2,023
Please understand my low command of English. I'm developing Direct Simulation Monte Carlo and I'm now validating. ...
Feb17-12 10:21 PM
Noh-hoon Lee
4 2,022
Can somebody explain me how can we visualise reciprocal lattice of a crystal lattice. Also what do we mean by...
Jul8-10 04:11 AM
weejee
1 2,021
In the book about fluid-mechanics Landau in the first pages in the isentropic case from dw=\frac{dp}{\rho} ...
Nov5-09 11:01 AM
tirrel
8 2,020
Hello - I am searching for some guidance, and I would greatly (greatly) appreciate any tips, pointers, etc. I am...
Feb5-07 09:33 PM
Signifier
0 2,019
Hello everyone; I have little problem about a question. If silver melts at 962C and contains an intrinsic relative...
Dec5-10 07:04 AM
weejee
1 2,018
Given the following data on copper, how do i calculate the resistivity? Relaxation time: 2.50e10-14s Density:...
Aug15-11 11:02 AM
solas99
0 2,018
Hi, I'm confused because of units in magnetism. I have a sample with a magnetization of M=0,01 emu/g...
Jan2-11 10:19 AM
hesus
0 2,017
In the famous Haldane model on 2D honeycomb lattice, why the nearest-neighbor(NN) hopping and next-next-nearest...
Jun21-11 09:52 PM
edmondrobbins
0 2,017
Q: When just one end of a wire is connected to a positive terminal of a battery, don't the free electrons in the wire...
Mar29-05 10:58 AM
nebulan
9 2,016
The following questions came to my mind while I was solving a problem involving a collision of an alpha particle with...
Jun19-05 05:43 AM
dextercioby
2 2,016
I don't really understand why the Fermi-Function is often used to describe superconductors. According to the BCS...
Oct19-07 07:47 AM
ZapperZ
2 2,016
Hello everyone, Can anyone give me a list of the different types of Hall effect. I know the following: 1- Quantum...
Oct17-11 01:50 AM
Razan
0 2,016
Hello, I recently had an exam in Molecular physics, in which one of the unanswered questions asked by my proff was...
Aug7-05 08:45 PM
Claude Bile
2 2,014
MY question is when i read energy band over lap i thought it is coming because of the huge number of atoms and the...
Apr20-08 11:11 PM
Timo
2 2,013
Hello I want to do numerical diagonalization of honeycomb-lattice tight-binding Hamiltonian to calculate the...
Nov15-11 04:19 PM
hazemmohamed
0 2,012
Hello, I'm trying to find a good reference for how to find or calculate or know which points in the Brillioun zone are...
Jun20-12 11:23 AM
M Quack
3 2,012
If there was a planet and there was no real energy source near it (say like our sun) would a few stars around...
Mar11-06 04:05 PM
ZapperZ
6 2,010
Is it possible to imitate the repulsion of atoms of gas on macro-scale? (I mean: atoms of gases repell all other...
May13-06 05:40 PM
Doc Al
2 2,010
Ahoy, I'm trying to do a calculation of the electron-electron self energy of a Fermi Liquid, which is supposed to...
Jun27-07 12:04 AM
Mute
2 2,010
Its easy to understand how a photon can transfer momentum to a charged particle like an electron, but I'm not sure how...
Sep17-10 11:23 PM
DaveC426913
3 2,009
Hello, I am constructing a 2d atomistic mass spring Hamiltonian with nearest neighbor bonds (harmonic potential) in...
Mar3-11 03:55 PM
asheg
1 2,009
Once electrons are ejected via photoelectric effect, the eventual recombination of the holes they leave behind is not...
Feb3-07 07:24 PM
Gokul43201
11 2,008
surface plasmons not exist for transverse electric polarisation? and only exist for transverse magnetic polarisation...
Oct22-09 04:05 PM
|squeezed>
1 2,008
This is no joke!!! Has anyone here done any work on this neutron skin?...
Jun27-08 09:51 AM
jal
1 2,007
Hi, would anyone give me a guide / reference to visually identify the bugers vector of a partial dislocation in FCC...
Jun19-10 04:58 PM
hkhako
0 2,006
Hi all, I'm looking for books or papers that give a pedagogically clear and reasonably up-to-date discussion of...
Feb8-12 05:30 AM
ZapperZ
6 2,006
Does there exist a database for the Partition function at different temperatures? As I understand it it only varies...
Apr24-09 12:38 PM
nordmoon
3 2,005
I was looking at a table of isotopes and was wondering why the half-life was sometimes replaced with electron volts?...
Mar19-04 02:15 PM
xeguy
1 2,004
I'm having trouble understanding how changing parameters in the ising model leads to first order phase transitions. I...
Nov18-07 03:10 PM
coolnessitself
0 2,004
Hi. Does anyone know how to perform perturbation theory for a finite well under the influence of an electric field?...
Apr14-10 07:23 AM
Cerkit
5 2,004
Please help somebody on this problem... When we topologically classify the defects in ordered media, we consider...
Jun15-11 08:30 AM
weejee
5 2,003
Hi, Suppose we have a 2 site Hubbard model, with the hopping Hamiltonian given by H_t and the Coulomb interaction...
Sep13-11 12:32 AM
vkroom
7 2,003

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