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If you are seeking help with a...

Feb2313 08:38 AM
ZapperZ

1 
34,159 
The title says it all. I'm sorry if you get annoyed because of my "noobishness", but I'm still a physicist in training...

Oct113 02:32 AM
Jazzdude

6 
1,043 
I need some help with a problem that involves the concept of quantum superposition. Suppose you have a nucleon...

Sep2105 07:16 PM
Rade

6 
2,329 
In reading D. Bohm "Quantum Theory" (1979), on p. 625 he makes the statement..."without appeal to a classical level,...

Sep2505 07:28 AM
straycat

7 
1,300 
In reading about Bell tests I found this link:http://www.abc.net.au/science/features/quantum/, which has discussion of...

Sep2605 10:28 AM
DrChinese

36 
3,557 
At this link:
http://www.geocities.com/ptep_online/PP0407.PDF
is a recent paper by Carlos Castro on a new...

Nov2005 02:16 PM
Rade

2 
1,488 
I have a question, would QM predict an entanglement of heat and cold wavelengths made available to an observer ?
At...

Dec305 12:44 PM
Rade

0 
917 
Suppose an experiment was published next week in Science that conclusively falsified quantum mechanics, how would the...

Jan1806 11:10 PM
Rade

23 
3,098 
In another thread, PF member "SelfAdjoint" made the following comment:
...and indeed you see papers suggesting...

Jan2306 05:54 AM
vanesch

3 
1,082 
I would like to better understand the apparent controversy between the theories of QED (quantum electrodynamics) and...

Jun1706 07:26 AM
Rade

0 
1,756 
Does the newly discovered crystalline structure of high pressure oxygen reported in Nature falsify QM theory at...

Sep2306 05:33 PM
Rade

0 
1,160 
I have read the following claim (where is not important):
...the Schrodinger equation provides no rational basis...

Sep207 10:00 AM
dextercioby

1 
1,330 
Have funplay it loudif you work in area of QM, perhaps this song about you:
...

Oct407 10:58 PM
Rade

0 
1,164 
this thread, because IMO they go far beyond the original thrust of that thread.]
:confused:But we read below from...

Aug308 12:55 PM
Count Iblis

35 
5,103 
Well, it has been ~ four years ago now I request help with this question in another thread, long dead, so I thought I...

Apr1109 04:09 PM
Rade2

4 
1,257 
Hey,
How would you compute the probability of measuring a specific value of an observable (resp. range for...

Apr2312 07:00 AM
Matterwave

1 
537 
Hi, so first post on this forum so I hope I'm doing everything goodasgold!
I've been twisting my head around a...

Mar3010 02:45 PM
RadonX

0 
797 
Are the Feynman diagrams still applicable to more than two particles interactions? This would be very helpful in...

Feb412 07:35 AM
radoo

3 
864 
Hi everyone, first post here :)
Someone told me that information could be transmitted faster than light using quantum...

Feb810 04:28 PM
Frame Dragger

25 
4,216 
Ok, so I just found out that gravity travels at exactly the speed of light. I had previously thought that it must...

Dec1804 01:48 PM
Louis Cypher

4 
2,320 
Is there some type of exception to the singularity for gravitons? And if not gravitons then what? I understand the...

Mar1812 03:49 PM
RagingHadron

6 
1,303 
Are there any good online quantum mechanics intros?

Feb1307 03:23 AM
Demystifier

2 
4,198 
In the page below a formula for the Ai(z) function is given in 0F1.
http://mathworld.wolfram.com/AiryFunctions.html...

Mar312 01:07 PM
Rahho

0 
1,013 
Hello there forum! I would like to present a paper on quantum computers. Idk where to start from. I have high school...

Jul2411 05:25 PM
Drakkith

1 
998 
I am just starting an introduction to quantum mechanics this semester, and it's hard for me to do some of my homework...

Sep2007 08:54 AM
Rahmuss

40 
6,167 
I actually have a homework problem on this; but I don't want help specifically with that. What I'd like to know is,...

Sep2107 02:44 PM
monish

7 
2,214 
in what scale can we consider the uncertainty principle?can it be considered in the non atomic scale?

Oct1310 02:04 PM
schip666!

5 
1,013 
I have concocted a rather simple description that (surprising to me, at least) describes two wholly unconnected (I...

Dec1610 02:05 PM
rai linga

0 
1,388 
Give one practical application of quantum mechanics and write about it in 4 to 5 sentences.

Jun708 04:27 PM
malawi_glenn

5 
6,760 
hi, i want to make kinetic energy matrix representation in ellipsoidal coordinate, but i dont know how can i have a...

Feb2209 01:24 PM
rainbow62

0 
762 
Hello I am looking for websites/online lectures about Feynman's Path Integral formalism.
I have Feynmann and Hibbs...

Nov1009 07:36 AM
raisin_raisin

2 
775 
Hi,
Can someone explain to me how to write a matrix as a sum of outer products like...

Feb2110 11:31 AM
raisin_raisin

9 
6,175 
Hello,
If the dynamics of the system are descibed by a Hamiltonian, H please could someone explain when should I be...

Apr1810 11:19 AM
raisin_raisin

3 
655 
Hi, I am looking for an experiment I heard about where observing the system alters it because you have gained...

Apr1810 11:21 AM
raisin_raisin

0 
634 
A few months ago I wrote this line down, but it does not seem to follow any more. Am I mistaking a mistake now or when...

May2110 05:42 AM
Edgardo

3 
814 
Hi All,
If there is something fundamentally wrong in my understanding of quantum mechanics, pardon me for I have just...

Dec1312 12:35 AM
andrien

7 
983 
HI,all
This is rajasekhar ,
Please guide me how to solve below problem.
An electron moves in a onedimensional...

Oct809 12:32 PM
xepma

1 
1,045 
I have written a code which is something like that
clc
X = input('Molefraction of Al in system:');
n=input('no...

Dec2211 04:17 AM
Cthugha

1 
1,737 
If we can record an particle disturbances, isn't it is equivalent to particle actual motion.
The disturbance can be...

Feb2912 03:10 PM
rajeshmarndi

0 
725 
In this experiment there are two wall. The first wall has two slit through which the electron passes and hit the...

May1412 10:42 AM
rajeshmarndi

0 
623 
I am not an expert in physics. I just wanted to know.
Quantum outcome is said to be uncertain. Could this be the...

Jun813 09:24 AM
Nugatory

1 
474 