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If you are seeking help with a...

Feb2313 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...

Oct2204 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,...

Jan2408 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...

Jul710 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...

Jan1711 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...

Nov2206 02:53 PM
savi

10 
2,024 
How to control the electron occupation numbers separately in coupled quantum dots?
please give some references or...

Mar1409 04:44 PM
PRB147

6 
2,024 
Why do photons repel one another?

Dec708 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...

Sep2309 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.
...

Feb1712 10:21 PM
Nohhoon Lee

4 
2,022 
Can somebody explain me how can we visualise reciprocal lattice of a crystal lattice. Also what do we mean by...

Jul810 04:11 AM
weejee

1 
2,021 
In the book about fluidmechanics Landau in the first pages in the isentropic case from
dw=\frac{dp}{\rho}
...

Nov509 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...

Feb507 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...

Dec510 07:04 AM
weejee

1 
2,018 
Given the following data on copper, how do i calculate the resistivity?
Relaxation time: 2.50e1014s
Density:...

Aug1511 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...

Jan211 10:19 AM
hesus

0 
2,017 
In the famous Haldane model on 2D honeycomb lattice, why the nearestneighbor(NN) hopping and nextnextnearest...

Jun2111 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...

Mar2905 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...

Jun1905 05:43 AM
dextercioby

2 
2,016 
I don't really understand why the FermiFunction is often used to describe superconductors. According to the BCS...

Oct1907 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...

Oct1711 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...

Aug705 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...

Apr2008 11:11 PM
Timo

2 
2,013 
Hello
I want to do numerical diagonalization of honeycomblattice tightbinding
Hamiltonian to calculate the...

Nov1511 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...

Jun2012 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...

Mar1106 04:05 PM
ZapperZ

6 
2,010 
Is it possible to imitate the repulsion of atoms of gas on macroscale?
(I mean: atoms of gases repell all other...

May1306 05:40 PM
Doc Al

2 
2,010 
Ahoy,
I'm trying to do a calculation of the electronelectron self energy of a Fermi Liquid, which is supposed to...

Jun2707 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...

Sep1710 11:23 PM
DaveC426913

3 
2,009 
Hello,
I am constructing a 2d atomistic mass spring Hamiltonian with nearest neighbor bonds (harmonic potential) in...

Mar311 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...

Feb307 07:24 PM
Gokul43201

11 
2,008 
surface plasmons not exist for transverse electric polarisation? and only exist for transverse magnetic polarisation...

Oct2209 04:05 PM
squeezed>

1 
2,008 
This is no joke!!!
Has anyone here done any work on this neutron skin?...

Jun2708 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...

Jun1910 04:58 PM
hkhako

0 
2,006 
Hi all,
I'm looking for books or papers that give a pedagogically clear and reasonably uptodate discussion of...

Feb812 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...

Apr2409 12:38 PM
nordmoon

3 
2,005 
I was looking at a table of isotopes and was wondering why the halflife was sometimes replaced with electron volts?...

Mar1904 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...

Nov1807 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?...

Apr1410 07:23 AM
Cerkit

5 
2,004 
Please help somebody on this problem...
When we topologically classify the defects in ordered media, we consider...

Jun1511 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...

Sep1311 12:32 AM
vkroom

7 
2,003 