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If you are seeking help with a...

Feb2313 08:41 AM
ZapperZ

1 
25,701 
I have seen, in several places, derivations of a formula for the current flow in a 1d quantum wire connected to...

Dec2808 02:53 AM
lion8172

0 
1,432 
How to separate the spectrum of cadmium in the experiment zeeman effect to two lines if we look at it in parallel to...

Jan2409 03:26 PM
AFM

0 
1,432 
I read a book about Feynman,saying that the chemistry may be explained by quantum physics. I got a question now: Are...

Feb611 01:19 PM
alxm

6 
1,432 
Hi there!
I'm studying the hydrogen molecule. According to the MO technique I start from oneelectron molecular...

Feb2411 11:08 AM
eoghan

3 
1,433 
Is there a book that can help to understand LAPW (linearized augmeted plane wave method) method in an easy way? All...

Feb2414 09:09 AM
Douasing

2 
1,433 
Dear Physics Forums users
Eq. 2.60 of Ashcroft, Mermin is
\int \frac{d\vec{k}}{4\pi^3} F(E(\vec{k}) = \int_0^\infty...

Feb1213 12:59 PM
Ilmrak

7 
1,434 
I hope this is posted in the correct forum;
From what I remember in school, Hydrogen (atomic weight 1) consists of...

Sep2612 07:27 AM
HowardS

3 
1,434 
Hi
Often in the context of multiatom systems, such as in cavity QED, it is customary to introduce a socalled...

Nov512 12:16 PM
Niles

2 
1,434 
Hi,
Does anyone know where I can find the dielectric function of PTFE (Teflon) ?
Thank's

Jun2614 10:36 PM
Greg Bernhardt

1 
1,435 
Im just curious if Humans have created anything harder than a diamond.

Sep2612 12:43 AM
ImaLooser

5 
1,436 
What's the difference between "Elementary exitations" and "Quasiparticle"?
Thanks!

Jul1109 02:37 PM
Bob_for_short

1 
1,437 
Hello members,
IF some in this forum have access to VIBRATZ software , please let me know....i need to make some test...

Jun508 12:58 PM
Rajini

0 
1,438 
We know that at zero degrees kelvin the only energy is zero point energy.
As we heat a substance, the atoms move...

Dec311 02:52 PM
juanrga

2 
1,438 
Hello,
Please could someone explain what properties an icosahedral quasi crystal has which make it differ from a...

Jan809 11:40 AM
saray1360

1 
1,439 
I did a bit of xray spectroscopy in labs studying Fluorescence of some different elements. I was just wondering...

Apr1609 07:44 AM
Vanadium 50

2 
1,439 
http://www.electronicsweekly.com/Articles/2009/06/15/46283/toshibaclaimsgermaniumbreakthroughfor16nmchips.htm
...

Jun2009 12:27 PM
sokrates

7 
1,440 
I've been looking on journals and textbook, as well as internet. Does anybody know if there is an equation to find out...

Dec1212 12:23 PM
ZapperZ

3 
1,440 
Does anyone know of an article that has a good indepth, side by side comparison of DFB edge emitting lasers and VCSEL...

Oct113 04:30 AM
UltrafastPED

1 
1,441 
Superconductivity says that below certain temperature, certain materials offer 0 resistance to the current flowing...

Jul1113 12:51 PM
ZapperZ

3 
1,442 
Entropy is in my book defined as:
S = k ln\Omega , where \Omega is the multiplicity of the microstates.
Now I...

Feb2312 09:47 PM
Useful nucleus

1 
1,442 
Who can explain the following questions about transfer matrix?
formula (31) in New Journal of Physics, Vol.12...

Mar2912 06:46 PM
PRB147

0 
1,442 
how to calculate the phase change of the reflection when the electrons hit the bandgap of a metal from another metal...

Jul2308 09:53 AM
Gokul43201

3 
1,443 
Can anyone explain why these two field patterns are so similar?
The (3,2,1) hydrogen wave function, and this ...

Feb809 09:21 AM
nuby

6 
1,443 
is that at equilibrium, energy,U=0 from the equation below?
U(R) = −(A /R6 )+ (B/R12 )
i nid to differentiate the...

Mar209 08:04 AM
alxm

1 
1,443 
hey, I have a question, it might be really stupid, but I'm probably not as smart as any of you here. Anyway:
if you...

Sep2508 08:03 AM
Astronuc

3 
1,444 
The electronlattice interaction potential is given by
V(r)=\sum_{i} Q_{i}\nabla V_{ei} \left( r R_i\right)
...

Aug2109 05:54 PM
olgranpappy

1 
1,444 
dear all
I work with a spectrophotometer "Carry 17D". below 300nm wavelenght the transition spectrom have lots of...

Jul2911 09:22 AM
Claude Bile

1 
1,444 
i search all over the web but i cannot find the definition. Although I find all the literature saying that metal have...

Jul2114 12:50 AM
analogdesign

2 
1,444 
Hello everyone, I am new here. I have a simple question: Does there exist a single point within a crystal about which...

Jun2009 08:17 AM
tothetop

0 
1,445 
Hi,
One of the fields of condense matter is molecule dynamics.I want to know does quantum mechanics use in this...

Feb309 11:57 PM
kanato

2 
1,446 
Hi all members,
I have some problems with my assignment here.
I would like to confirm on something on SEXAFS...

Sep2409 06:34 AM
zixue

0 
1,446 
I have a bunch of synchrotron mar plate images and am calculating the degree crystallinity of samples from these data....

Nov1711 01:43 PM
ruckby

0 
1,446 
Hi all,
I have several raman spectra where the intensity peaks are of different amplitude but the wavelength peaks...

May412 11:19 PM
eeyoreturnip

0 
1,446 
Hi. I am trying to calculate the hole carrier density in a quantum well. The expression I have is as follows
...

Apr1010 06:37 AM
Cerkit

0 
1,447 
Hello, I would be grateful is someone could explain what the irreversibly temperature in type II superconductors is.
...

May2211 04:54 AM
M@2

1 
1,447 
Hello ,
Maybe this topic has basic understandings of quantum mechanics and involves some mathematic theory...

Nov410 06:07 AM
PRB147

1 
1,448 
Hi all,
Currently, I'm reading the paper: Direct to indirect band gap transition in ultrathin ZnO nanowires under...

Jun1911 12:02 PM
SpectraCat

1 
1,448 
First off, I must ask if the reflection of a photon is truly an elastic collision; is it? If it is, then wouldn't...

Sep613 09:40 AM
Claude Bile

7 
1,448 
Can someone please explain to me qualitatively why the Hall contant Rh is inversely proportional to the electron...

Mar1812 06:01 PM
sarmas

0 
1,449 
I have having difficulty understanding why the ground state configuration of helium has a wavefunction that is the...

Jun1412 08:23 AM
mfb

1 
1,449 