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If you are seeking help with a...

Feb2313 08:38 AM
ZapperZ

1 
36,471 
I understand the fact the light can be proved to be both a particle and a wave, but one thing I don't understand:...

Jul206 08:00 AM
nightlight

5 
1,392 
Hello,
Say I have a system with a spatial part and a spin degree of freedom, hence the wavefunction generally looks...

Jan2512 01:28 AM
kith

8 
1,392 
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 
1,391 
Under time reversal T, the momentum operator changes sign but the position operator remains the same. So if you have a...

Sep308 01:08 PM
RedX

1 
1,391 
I'm learning about Schrodinger's equation in my general chem class right now, so obviously I'm doing a little...

Oct2909 04:33 AM
Bob_for_short

2 
1,391 
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 
1,391 
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 
1,391 
Published in “Science Online” 12 April 2012:
“Signatures of Majorana Fermions in Hybrid...

Apr1412 06:53 AM
Bill_K

1 
1,391 
ΔxΔp ≥ \frac{h}{4\pi}
Since Δx=ct for a photon and Δp=(mv_{f}mv_{i})
Then ct(mv_{f}mv_{i}) ≥ \frac{h}{4\pi}
...

Jun1212 12:59 PM
professorscot

8 
1,391 
i was going through the quantum mechanics book by griffith and on the very first chaper i read that the wavefunction...

Sep712 06:41 AM
mfb

8 
1,391 
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 
1,390 
Let say our dimension is a 4Dimension graph, and every position is a coordinate. If a matter disappear in its original...

Apr1505 01:36 AM
Pengwuino

7 
1,390 
What is the difference between using J and l for quantum numbers? I have some lecture notes that aren't fully...

Jan1808 01:42 PM
malawi_glenn

5 
1,390 
I'd be greatful for a bit of help on this question, can't seem to get the answer to pop out:
A particle moving in a...

May908 12:38 PM
lbrits

4 
1,390 
I wish to graph a couple of the waveforms of a harmonic oscillator. I have consulted several resources and have found...

Aug2308 04:04 PM
bluestar

2 
1,390 
Casimir force increases when you put 2 plates closer and closer...
But where is a limit?
Obviously, Casimir...

Jan509 08:56 AM
Dmitry67

4 
1,390 
Hi there!
What is meant by saying that a photon of smaller wavelength can resolve smaller distances?
I know from...

Jan2809 08:27 AM
Creator

1 
1,390 
I was looking at a paper about strongcoupling expansion (N. F. Svaiter, Physica (Amsterdam) 345A, 517 (2005) ) and it...

Aug2510 10:51 AM
grilo

0 
1,390 
free energy is often defined in canonical ensemble
but can we define it for microcanonical ensemble?
why...

Nov2310 12:02 PM
wdlang

0 
1,390 
Please teach me this:
Why discontinue(quantum) characteristic ultimately relates with probability characteristic in...

Mar1111 09:58 AM
Demystifier

7 
1,390 
i am not getting the interconnection between probability wave function of particle with particle's momentum,can anyone...

Jul1711 06:49 PM
Naty1

8 
1,390 
i do not believe that there is an answer, though i wish to be sure weather or not there are any semivalid atleast...

Jul505 07:53 PM
professor

10 
1,389 
I was wondering according to QM do charged particles creat fields, do fields create charged particles, or are they...

Jan306 06:02 PM
samalkhaiat

2 
1,389 
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 
1,389 
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 
1,388 
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 
1,388 
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 
1,388 
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 
1,388 
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 
1,388 
Which QM interpretation (Bohm, Copenhagen, MWI) best supports the resolution of Hardy's Paradox?

Jul2709 05:35 AM
Demystifier

8 
1,388 
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 
1,388 
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 
1,388 
I am new to quantum physics.
Is there is any operator in quantum physics that does not show eigenvalue property?...

Dec610 03:38 AM
sancharsharma

8 
1,388 
what is angular momentum of a electron in 3d orbital.
Answer 1: d=2 angular momentum = sqrt(2(2+1))* ...

Jul1211 10:39 PM
vkash

4 
1,388 
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 
1,387 
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 
1,387 
Hi,
I need to read up on Bra/Ket notation for my project on Bells Inequalities. I've been through the relevant...

Nov1409 05:16 PM
Fredrik

1 
1,387 
How do mirrors work in quantum mechanics? Does light get absorbed by the atoms and then emitted at the same frequency?...

Jun711 12:41 PM
DrChinese

1 
1,387 
Does anybody know how prove the claim in my question here:...

Dec711 01:55 PM
Fredrik

6 
1,387 
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 
1,387 