
Before posting anything, please review the Physics Forums Global Guidelines.
If you are seeking help with a...

Feb2313 08:38 AM
ZapperZ

1 
36,205 
I'm trying to solve this question for an assignment, and wanted to know if i am on the right route.
An electron with...

Oct2304 06:18 PM
mtrevor

0 
1,385 
Reading about the double slit experiment in Six Easy Pieces I came across something I had questions about, which is...

Aug405 11:06 PM
mmwave

8 
1,385 
I was curious as to the form of the hamiltonian, whose energy eigenstate in the position basis is a gaussian...

Jun607 10:45 AM
StatMechGuy

2 
1,385 
Hello, I am a beginner on the sbject so please correct if I'm using some sloppy terminology. I'll try to be clear.
...

Jul2011 08:45 AM
dextercioby

1 
1,385 
I've been reading about it various places online, but I can't seem to find a straight answer.
Is information lost...

Sep1311 06:29 AM
Demystifier

11 
1,385 
hello there,
i've read in several places the following: if you have a polyene with J double bonds, and taking into...

Feb2612 07:04 AM
sweet springs

5 
1,385 
Hi PF
I am reading this paper and this one.
Zurek insists on the fact that pointer states emerge when the same...

Nov2713 09:54 AM
atyy

23 
1,385 
I read some paragraphs from Michio Kaku's Hyperspace about Abdus Salam's illustration of symmetry breaking using a...

Jul704 05:58 PM
Tyger

2 
1,384 
We know the average energy of particle could be described by temperature. E=k*T.
The energy is quantized. Its unit...

Jul2007 09:44 AM
Meir Achuz

2 
1,384 
The presenter is Ross Rhodes here he explains an experiment performed:
...

Oct1711 08:58 AM
xts

4 
1,384 
Casimir force increases when you put 2 plates closer and closer...
But where is a limit?
Obviously, Casimir...

Jan509 08:56 AM
Dmitry67

4 
1,384 
Can anyone tell me if this is the basic concept behind effective field theories:
1) You begin with your original...

Feb1809 06:15 PM
RedX

2 
1,384 
Hi All  My name is Dan Sandberg and I am studying physical chemistry at the Univ. of Connecticut in the USA.
I...

May2410 12:36 PM
DanSandberg

8 
1,384 
free energy is often defined in canonical ensemble
but can we define it for microcanonical ensemble?
why...

Nov2310 12:02 PM
wdlang

0 
1,384 
I'm interested in the history of the discovery of the neutrino suggested in 1930 by Pauli and I read that the first...

Dec310 04:06 PM
Naty1

3 
1,384 
I originally posted this in the Science Book and discussion forum but received no help. Am posting it here, hoping...

Jun1811 10:07 AM
WiFO215

4 
1,384 
A layman with an interest in quantum mechanics here.
Just want to check I understand something...
Is the...

Jun2311 09:47 AM
mike.rablins

2 
1,384 
Hi I am just doing an undergraduate degree in physics and currently studying a course in the foundations of QM.
The...

May2705 06:34 PM
James Jackson

6 
1,383 
So there's something I don't quite understand.
The density in the KG equation stands for charge density. Here are...

Feb1106 07:18 AM
Meir Achuz

1 
1,383 
Suppose you have a particle which is not in a momentum eigenstate. You then measure the momentum (say, in the...

May1506 02:18 PM
DrChinese

6 
1,383 
As a beginner in QM I have a question that I could not find answered in my books.
Two particles evolve happily...

Oct1308 09:26 PM
ice109

15 
1,383 
if I could write down an operator that depended on the metric but always had the same eigenvalues regardless of the...

Nov2908 04:18 PM
CPL.Luke

3 
1,383 
according to the paper by Chuang SL, 1997, Semicond. Sci. Technol. 12, 252 (1997). ... you can see in page 258, the...

Aug2610 07:04 PM
sweety0423

0 
1,383 
I read
http://physicsworld.com/cws/article/indepth/44015
It is a good principle to get feeling of quantum physics...

Oct2010 02:49 PM
exponent137

0 
1,383 
I know this has been asked before but Im still not getting it. Does anyone know why a classical deterministic world...

Jan1814 07:14 AM
tom.stoer

26 
1,383 
Hello,
I would like to know how to calculate the broadening of the spectral lines caused by the Doppler effect for...

Jun609 01:48 PM
EliotHijano

0 
1,382 
:confused: HI,
is wave behaviour on a two dimensional field or in a multidimensional field in space??
i am...

Jul914 04:17 PM
mfb

7 
1,382 
A young student asks me "why mr. Max Planck could find out the planck constant. How come he could find such a small...

Oct1709 04:12 AM
pixel01

6 
1,381 
Clearly integral particle number is an experimental fact. But within quantum theory, does integral particle number...

May3110 02:39 AM
sheaf

9 
1,381 
Hello everyone, I'm starting to study this subject and I'd like to know if anyone else has some experience to share,...

Sep907 08:02 AM
diegzumillo

0 
1,380 
In Hidrogen atom, why we choose the center of mass coordinate which is on the same direction with relative coordinate?

Mar608 09:29 AM
malawi_glenn

1 
1,380 
Hallo,
I would like to know why physicists are always seeking for irreducible representation of a given group. I...

Aug1208 08:34 PM
Fredrik

10 
1,380 
Hi there!
I have some problems understanding the connection between high momentum transfer and short distance...

Dec108 10:48 AM
ledamage

0 
1,380 
Since my ability to respond to articles was messed up by someone and I have been unable to get any help straightening...

Jan2411 10:00 PM
DarioC

10 
1,380 
Please teach me this:
Why discontinue(quantum) characteristic ultimately relates with probability characteristic in...

Mar1111 09:58 AM
Demystifier

7 
1,380 
I don't get why for hydrogenic atoms the 2s and 2p orbitals have the same energy. i do get it mathematically, but im...

Feb1412 04:03 PM
Vanadium 50

6 
1,380 
Hello, I was just taking a shower when this question came upon my mind, what would happen if all the electrons stopped...

May506 01:13 PM
ZapperZ

4 
1,379 
Which QM interpretation (Bohm, Copenhagen, MWI) best supports the resolution of Hardy's Paradox?

Jul2709 05:35 AM
Demystifier

8 
1,379 
What is the relativitic correction to the e^2/r coulomb law without spin between two electrons.second order is enough.

May1711 03:32 PM
qsa

11 
1,379 
Hello everyone!
I want to study QFT and I want to know all of the required mathematics for it.
I know most of...

Dec911 11:47 AM
torquil

4 
1,379 