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Feb2313 08:38 AM
ZapperZ

1 
30,319 
Is there a quantum basis for HUMAN AWARENESS? Our awareness a PART of the UNIVERSE right?
Your thoughts are eagerly...

Mar204 09:17 PM
selfAdjoint

3 
1,213 
If = 0 (where H is the Hamiltonian and T is the (antiunitary) timereversal operator) prove that T is NOT conserved
...

Nov2706 05:35 AM
dextercioby

7 
1,036 
Greetings.
I know absolutely nothing, beyond the basic generalities, regarding Quantum mechanics or theory, and...

Nov709 12:55 AM
Dmitry67

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2,348 
Is it a photon that gives rise to an electron ?? Photon , in presence of any external force that disrupts its magnetic...

Nov109 08:08 AM
Vanadium 50

3 
1,085 
Hi:
I would like to get a mathematically rigorous "introduction" to QM.
Which books would you recommend?

Jan1106 08:09 AM
ZapperZ

3 
1,638 
A scattering of light particles from a heavy stationary particles, the momentum of the light particles change...

Dec1106 07:01 AM
Meir Achuz

2 
978 
First of all, let me copy the standard solution from Griffiths, section 2.5, just for the sake of clarity. ...

Nov209 11:41 AM
kof9595995

2 
2,344 
Many papers say "we are treating a semiclassical regime".
I don't know what is a semiclassical regime and when a...

May1208 01:45 AM
xylai

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1,824 
I would like to invite people who want to study Bohm's theory in this thread. The aim is to *study* the theory,...

Feb1605 11:29 PM
vanesch

45 
4,153 
I've been reading about Feynman's manypaths idea. And I've read that according to his idea, an electron, for...

Jul1709 12:42 PM
jambaugh

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4,844 
http://upload.wikimedia.org/wikipedia/commons/1/1d/TunnelEffektKling1.png
Hello, I'm following an introductory...

Jan411 12:38 AM
soothsayer

16 
1,430 
What is it in a simple definition, and how does it differ from relativistic quantum mechanics?

Nov312 04:37 AM
M. next

4 
836 
I've been following up a lot regarding the fascinating stuff I read here.
I recently came across this page;
...

Jul3010 03:53 PM
DevilsAvocado

31 
4,800 
Can somebody help analyzing the outcome of the following thought
experiment:
1) A simple setup with a photon source,...

Oct2309 04:59 PM
dmtr

33 
2,299 
A source S of entangled photon pairs is placed between two polarised detectors A and B whose filters are placed at...

Jul2512 10:02 AM
DrChinese

10 
1,252 
I have asked this question in this forum twice before and received no meaningful answer. So I thought I would give it...

Sep404 11:29 PM
vanesch

8 
1,198 
I've been following the work of Professor Stuart Hammeroff et al. and his group's work on microtubules as best I can,...

Dec1911 04:40 AM
Vanadium 50

5 
1,536 
Can quantum be applied to the larger scales in the universe and what would be the affect of uncertainty and exclusion....

Nov212 02:09 AM
AJ Bentley

2 
676 
Why is uncertainty principle said to be a very strange thing?
"Heisenberg uncertainty principle states that...

Dec2208 02:10 PM
edguy99

3 
1,539 
I guess inaccuracies in the actual experiment suggests the answer for this question. But would still ask to confirm.
...

May1112 08:39 AM
Izhaki

8 
1,272 
Hard to know the proper forum here.
Say a photon is spontaneously generated in space with no initial trajectory...

Jan109 01:02 PM
Xezlec

8 
1,395 
How is it possible that a wave function is a solution to the time dependent schroedinger equation, but not to the time...

Mar1908 07:16 PM
faen

5 
2,724 
I ran into a problem reading Sakurais book about advanced quantum mechanics. I understand what a spherical tensor...

Oct1709 10:45 AM
Avodyne

1 
2,654 
Suppose we consider the spin 1/2 measurement matrices
B=\frac{1}{\sqrt{2}}\left(\begin{array}{cc} 1 &...

Dec2713 04:35 AM
DeIdeal

1 
370 
Actually, the original motivation is to check the closure of SUSY
\delta X^\mu = \bar{\epsilon}\psi^\mu
\delta...

Dec308 03:23 AM
ismaili

0 
847 
I am not sure if I should be posting this under QM or under Linear Algebra, since it appears to be an algebraic step...

Mar2514 06:26 AM
nomadreid

6 
231 
Hi...I've come across this question on a past exam, and I can't seem to resolve it!
A particle is incident on a...

Jun604 08:47 PM
heardie

4 
3,185 
I have been playing around with the following rather elementary 1d field theory problem and got stuck. May you have...

Sep907 04:28 AM
Slaviks

1 
1,045 
im studing orthogonalized plane wave method(OPW) IN SOLID STATE PHYSICS. during derivation ,i have difficulty.my...

Apr2609 09:30 PM
JohnSimpson

2 
734 
this is from his website:
"In what class of 4dimensional spacetimes does there exist a real, nonconstant scalar...

Oct1704 08:51 AM
MathematicalPhysicist

2 
938 
Adam,c  Funktionalanalytische und geometrische Aspekte von Anomalie
I need the article eagerly
can someone help

Mar2308 09:03 PM
cosmology

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1,030 
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 
411 
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 
882 
A number of threads in this forum oscillate between pure mathematical descriptions of the
HUP and QM generally, while...

Nov1512 09:58 PM
hollowsolid

0 
567 
I propose a simple thpught experiment;
A scientist A measure the spin of an electron and finds it "up". After that he...

May2313 06:16 AM
bhobba

8 
790 
Let me first start off by saying that I am somewhat new to physics and it's understanding. But I was looking over the...

Oct2111 09:59 AM
dlinetackle

3 
848 
Consider the usual set up in regard to showing that quantum correlations exist. Recall how Einstein, Podolski and...

Oct3104 05:37 AM
pat_connell

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1,080 
This is just a thought. I was thinking about how quantum theory started to arise, with planck and assuming energy that...

Nov111 05:35 PM
jewbinson

3 
633 
we know that the functional integrals are important in quantum field theory,but we have the problem that except for...

Dec505 03:19 PM
eljose

3 
1,557 
What Unitary operator can transfer the ground state eigenfunction
f=1/sqrt(2*pi)*exp(x^2/2) to the ground state...

Mar804 09:41 AM
slyboy

1 
2,256 