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Feb2313 08:38 AM
ZapperZ

1 
36,191 
In wave function collapse the observer forces one of many states to occur such as Schrodinger's cat experiment but...

Jul1112 11:00 AM
Demystifier

4 
655 
I was wondering whether there is any general consensus about the nature of time within physics, as a whole. For...

Jul1112 09:54 AM
Boston_Guy

19 
1,856 
Does anyone know if the fastest velocity of light is not fastest anymore? I think I heard a few days ago, that the...

Jul1112 09:23 AM
jtbell

6 
1,634 
I have always thought that a radiation heat pump could be made if one could bend radiation perhaps beating carnots...

Jul1112 04:42 AM
Qreeus

4 
1,289 
Hi, I haven't posted for a while. I've seen this topic come up a few times, but it always seems to me that a few...

Jul1112 04:11 AM
A. Neumaier

18 
2,073 
if a wave of light intermingles with another the same but of opposite phrase I believe you get what is called black...

Jul1112 03:26 AM
philrainey

4 
818 
We expand over, in the H/V basis, RR> + LL>, likewise RR>  LL>. Because R = (H + iV) and L = (H  iV), how do we...

Jul1112 03:03 AM
Delta Kilo

8 
825 
Why are the Time Symmetric Interpretation rarely if ever brought up in discussions here?
It restores determinism and...

Jul1112 12:58 AM
joseph0887

53 
4,949 
Hey Guys,
I continue to get mixed messages about the nature of electron behaviour during the double slit...

Jul1012 11:32 PM
dlgoff

7 
1,408 
Phi ~ 1.618
http://i.imgur.com/G3Dpu.jpg

Jul1012 05:21 PM
sevensixtwo

1 
686 
As I watched a documentary lately on an experiment by Aaron O'Connell, that "proved" that quant exist in two points in...

Jul1012 04:08 AM
ArtistIC

4 
672 
Sorry if this was posted in the wrong section. I'm only going to be a senior in high school and have never taken...

Jul912 09:33 PM
unanimousteen

2 
522 
I've been looking into the time independent schrodinger equation (E\Psi = Ĥ\Psi.)
I know that \Psi is the wave...

Jul912 07:10 PM
nonequilibrium

1 
790 
I realize that this would probably be patently obvious if I understood the nature of particles, but how is it possible...

Jul912 06:51 PM
jmcelve

14 
1,667 
Hi All!
PLEASE correct something if I say it like it's an axiom but it's not quite right, I'd like conformation of my...

Jul912 04:33 PM
Hernik

17 
2,437 
If you've got, say, three particles, then the timedependent Schrodinger equation (in units where \hbar = 1) for the...

Jul912 02:18 PM
jfy4

1 
534 
Consider the case for a particle with energy E in a region where :
V = 0 , x<0; V=Vo, x>0;
for the first region...

Jul912 12:19 PM
uday1236

2 
844 
So, let's think of a world where all the decisions are made by probability, e.g. flipping a coin, and quantum physics...

Jul912 12:02 PM
San K

9 
958 
Hi all,
I was studying Stephen Hawking's new book (very good, by the way). He was explainning Feymann's theory,...

Jul912 11:47 AM
San K

2 
1,261 
I'm confused about index calculation in eq. 8.25, Mandl QFT textbook. Can anyone give me a detailed explanation...

Jul912 10:50 AM
intervoxel

2 
600 
If we consider two laser beams with identical 3 level energy level schemes except that the metastable state for one...

Jul912 01:51 AM
Cthugha

1 
529 
Hello,
I am going through the book Introduction to QM by D.Griffiths. In the third chapter the book says the...

Jul912 01:09 AM
fzero

3 
769 
Hi all,
I am troubled by the flag and flagpole analogy for twospinors and would like some clarification.
Please...

Jul812 10:02 PM
lzydesmond

18 
1,769 
In the article, "What is spin", by Hans C. Ohanian we are shown how to take the wavefunction for a Dirac electron...

Jul812 07:22 PM
Spinnor

4 
757 
http://www.imdb.com/title/tt0499596/ . This is a Quantum mechanics documentary movie. Has anyone watched this?
...

Jul812 12:38 PM
Doc Al

2 
550 
The radial part of the Laplacian in spherical coordinates goes as:
\frac{d^2}{dr^2}\psi+\frac{2}{r}\frac{d}{dr}\psi...

Jul812 10:26 AM
Bill_K

1 
448 
I know the photons have quantum interference with its self, what if it interfered with past photons? is this possible?...

Jul812 02:33 AM
ZULUIII

0 
504 
We know this tiny splitting in degenerate levels in Hydrogen spectrum due to magnetic interactions between spins of...

Jul812 12:59 AM
netheril96

1 
759 
In classical physics, all observables commute and the commutator would be zero.
However this is not true in Quantum...

Jul712 09:29 PM
the_kid

6 
1,647 
If I want to measure the position of a particle, and to do so I bombard it with a photon. What attributes of the...

Jul712 09:28 PM
nonequilibrium

1 
545 
Hi guys,
I am new to the forum.
I have done a bit of reading on functional analysis lately.So I was wondering...

Jul712 04:04 PM
WormBanshee

1 
603 
Could someone please explain to me what is meant by the frequency of a photon? Aren't photons basically particles?...

Jul712 09:55 AM
Simon Bridge

20 
20,359 
Einstein’s discovery that a photon has a finite quantum of energy proportional to its discrete frequency, and the...

Jul712 09:45 AM
Simon Bridge

2 
563 
Pair production interests me  create matter from electromagnetic waves.
So far I have read that a...

Jul712 09:24 AM
Simon Bridge

3 
536 
Although the uncertainty principal can be written without quantum harmonic oscillators, it still happens when you...

Jul712 05:39 AM
jtbell

1 
493 
Hi guys!
There is something I would like to get your help with...
I am looking at the equation:
...

Jul712 03:39 AM
noamriemer

2 
617 
why in the quantum mechanics we must multiply ψ by ψ*
why we must multiply in the conjugate to find the...

Jul612 07:54 PM
unchained1978

13 
1,400 
are there any dependencies in these things? In different metals

Jul612 07:19 PM
Bonasa

1 
702 
What is the scientific understanding, and what are peoples' personal opinions about the nature of "reality"
Are we...

Jul612 01:39 PM
Fiziqs

5 
1,284 
I'm new here. So, I might be unfamiliar with many things that have been talked about here. However, I noticed...

Jul612 09:51 AM
scijeebus

6 
1,273 