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Feb2313 08:38 AM
ZapperZ

1 
35,285 
Dear all, I'd be very grateful for some help on this question:
"The momentum operator is defined by: \displaystyle...

May2108 02:38 PM
lbrits

4 
1,365 
Casimir force increases when you put 2 plates closer and closer...
But where is a limit?
Obviously, Casimir...

Jan509 08:56 AM
Dmitry67

4 
1,365 
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 
1,364 
I'm trying to come up with a computer algorithm to enumerate the basis states of the Holstein model (electron phonon...

Jun1107 04:07 PM
NeoDevin

0 
1,364 
I recently read an article in Scientific American by Thomas Roman and Lawrence Ford in which they concluded that the...

Jan2708 10:54 PM
hammertime

0 
1,364 
Suppose we have a particle in a 1dimensional box, such that the particle is in its lowest energy state. The energy...

Jun908 07:04 AM
GAGS

2 
1,364 
Hi, it's my first time to post here.
I'm wondering how we can define "entanglement" for identical particles.
...

Feb2009 02:14 AM
QuantumBend

1 
1,364 
perhaps is a dumb quetion but,
given a IR divergent integral (diverges whenever x tends to 0)
\int_{0}^{\infty}...

Apr1109 01:01 PM
Vanadium 50

5 
1,364 
What exactly are quantum numbers? I read the Wikipedia page on them but it is just way to complicated for me.

Feb410 03:21 AM
peteratcam

3 
1,364 
Hello dear readers,
I have a problem. I'm giving a lecture tomorrow on the EPR experiment and Bell's theorem and so...

Jun2912 05:29 AM
Tomer

13 
1,364 
If I understand it, photons on the event horizon of a black hole can go over the speed of light by the plank constant....

Jan1105 09:37 PM
benpadiah

4 
1,363 
These are probably old ideas (or, perhaps, just stupid), but recently thinking about nonlocality it seemed to me that...

Jan1106 09:59 AM
slyboy

4 
1,363 
A while ago I was watching this video on queantom physics and this dude was talking about the Theory of unification...

Aug2306 06:05 PM
ZapperZ

4 
1,363 
surfing the web and arxiv i found the strange formula
lnA= \frac{d^{n}}{ds^{n}} \frac{s^{n1}}{n! A^{s}}
my...

Jun1708 12:11 PM
lbrits

4 
1,363 
Which QM interpretation (Bohm, Copenhagen, MWI) best supports the resolution of Hardy's Paradox?

Jul2709 05:35 AM
Demystifier

8 
1,363 
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 
1,363 
If I take a linear combination of the first two eigenstates of the harmonic oscillator and use it in the potential of...

Dec2809 10:59 AM
intervoxel

0 
1,363 
Hi
This is quoted from
"Popular belief (even among most physicists) holds that phenomena such as radioactive...

Jul210 12:39 AM
snoopies622

3 
1,363 
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 
1,363 
Hi,I need to write some suitable transformation matrix that takes from the diagonal(i.e.45 degree)basis to the...

Jan3011 08:35 PM
QuantumKK

0 
1,363 
(modified this to reflect a better understanding)
Stationary solutions to the wave equation mean that if I...

Nov503 12:36 AM
salsero

3 
1,362 
Consider the usual 1D quantum harmonic oscillator with the typical hamiltonian in P and X and with the usual ladder...

Sep1911 05:07 AM
Kalidor

4 
1,362 
The uncertainty principle states that you can never know with any accuracy the precise position and velocity of a...

Feb2705 09:56 AM
marlon

5 
1,362 
why a><b expresses the projection...how can it be possible on matrix..if we multiply a ket a with a bra b ...we get...

Jan2709 10:48 AM
malawi_glenn

7 
1,362 
I know this is a hotly debated subject here, but what is the general scientific consensus (or most popular definiton)...

Sep809 10:06 AM
JustSam

7 
1,362 
Recently the NIST group demonstrated a two qubit programmable quantum computer,
http://arxiv.org/abs/0908.3031
And...

Feb610 07:35 PM
jimgraber

6 
1,362 
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 
1,362 
In QM, particles are treated as either waves or particles, a duality exists. A test particle in freefall is used in...

Jun2204 05:14 AM
modmans2ndcoming

4 
1,361 
Amateur level.
Popular Science books usually start describing the doubleslit experiment in terms of waves, by...

Jul2405 05:27 PM
CarlB

4 
1,361 
A friend of mine wrote a paper on entanglement, measurement, and simultaneity.
the professor provided an...

Mar2907 12:25 AM
George Jones

5 
1,361 
Hi everyone, Can any body solve my simple problems of quantum:
Usually we say, that wave function Ψ is dependent on...

Jun1308 04:25 PM
Fredrik

2 
1,361 
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 
1,361 
As a result of some precise experimental data, we now know that the mass of the quark is not naively 1/3 the mass of...

Jul313 01:39 PM
Bill_K

17 
1,360 
Let's suppose we have in perturbation theory the quantities
(m_0 , q_0 , G_0 (x,s))
With m,q, and G(x,s) the...

Apr2407 02:32 AM
tpm

2 
1,360 
A stupid couple of questions...
In quantum computations, one typically starts with some initial quantum state on...

Mar308 07:22 PM
kdv

2 
1,360 
if we consider the propagators and other Fourier integrals in the sense of 'distribution' then are all the divergences...

Nov1308 04:11 PM
DarMM

2 
1,360 
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 
1,360 
Of course that,s obvious...by setting s=it inside Schroedinguer equation you get the Heat equation..and the same for...

Apr206 05:04 AM
eljose

0 
1,359 
Have we been able to come up w/ a technology that can change a matter into energy or vise versa?

Jul2406 11:07 AM
superweirdo

6 
1,359 
A single stationary electron's magnetic flux caused by it's spin gives it a north and south pole right? does that mean...

Nov1006 08:28 PM
davidong3000

5 
1,359 