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Feb2313 08:38 AM
ZapperZ

1 
35,385 
Just something I was wondering about Schrödenger's cat. According to Schrödenger's cat, wether the cat is alive or...

Jun1312 07:07 PM
fissile_mop

6 
1,335 
What is "Magnetic flux quanta"? is there any animation describing this subject?

Jun1312 01:03 PM
mnada

2 
720 
The wavefunction is defined on the domain of complex numbers. To find the probability of discovering a particle in a...

Jun1312 10:23 AM
Demystifier

1 
445 
I'm definitely messing up somewhere :P
The Larmor Equation is
\Delta H = \frac{2\mu}{\hbar Mc^2 e}...

Jun1312 10:07 AM
Meselwulf

2 
532 
Hi folks,
I've been reading into the concepts of chirality & helicity and often I find a statement that chirality...

Jun1312 08:38 AM
Eruvaer

4 
1,025 
How was Pauli exclusion principle derived ?
Experimental ? From some other physical formula ? Which ?
From some...

Jun1312 04:13 AM
Simon Bridge

1 
842 
i know you can use dE/dp = p/m = dw/dk but what happens when you throw a potential so you have E = p^2/2m + V,...

Jun1212 09:57 PM
silence11

0 
537 
can a particle/photon be quantum entangled on more than one property/factor?
(at the same time redundant...

Jun1212 09:39 PM
lugita15

5 
766 
I don't know much about brackets and Hamiltonians, but there is a much simpler aspect of the time / energy uncertainty...

Jun1212 01:46 PM
professorscot

0 
561 
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 
1,331 
I know MRIs. It seems that cell phone towers use superconductivity. What are some others?

Jun1212 11:49 AM
Duplex

32 
11,969 
I know in classical physics we calculate the energy based on the Amplitude.
I also know we calculate the energy in QM...

Jun1212 09:20 AM
haael

3 
1,369 
we know as per uncertainity, (pxxp)>=h/4(pie)...ie can pxxp take any value which is more than h/(4(pie))..can it be...

Jun1212 08:58 AM
haael

9 
915 
Hello there,
I have to do an essay for my university class, and want to use virtual particles (or virtual...

Jun1212 06:07 AM
tinytim

1 
649 
Hi
I'm studying for my course of quantum chemistry and I have some issues with applying the Hückel or thight...

Jun1112 07:54 PM
JorisL

2 
1,283 
Matter (deBroglie) waves is a concept and it's existence is not confirmed (?)..that said,
We know that  The de...

Jun1112 12:44 PM
Simon Bridge

3 
877 
<deleted>

Jun1012 08:06 PM
robertjford80

0 
771 
In the fabric of the Cosmos by Brian Greene there is an experiment using the example of Mulder and Scully and boxes....

Jun1012 04:00 PM
Ken G

4 
1,135 
Two spherically symmetric potentials, the Coulomb potential and the isotropic harmonic oscillator potential, lead to...

Jun1012 04:58 AM
A. Neumaier

17 
2,747 
I have read that when 2 Hydrogen atoms come together their individual spacial wavefunctions overlap in the following...

Jun1012 03:44 AM
cgk

1 
991 
how does/would LHV (local hidden variables) theory explain the phenomena of:
1. quantum entanglement swapping...

Jun1012 01:10 AM
San K

3 
1,054 
If we were to introduced a set of unentangled, but same polarized, photons as control experiment what would the...

Jun912 11:58 PM
lugita15

3 
963 
hello. it's the first time I use this site I hope that I find the answer of my question: does the hausdorff formula...

Jun912 11:52 PM
strangerep

2 
1,000 
Hi all, I have recently been reading the book ``The Method of Second Quantization'' by Felix Berezin but I got trapped...

Jun912 11:26 PM
strangerep

1 
852 
We often just say that the eigenvalues of \hat{L}^2 are \hbar^2l(l+1), but does this apply to all kinds of potentials...

Jun912 03:47 PM
fzero

2 
798 
Schrödinger had proved/predicted QE theoretically prior to experimental (though not loophole free) verification.
...

Jun912 07:09 AM
Simon Bridge

1 
745 
The general evolution of a ket \psi\rangle is according to
i\hbar\frac{d}{dt}\psi\rangle=H\psi\rangle
without...

Jun912 06:59 AM
youngurlee

7 
1,276 
why is the function must be normalize ? what is the meaning of normalization
I know it's ∫ψψ*=1 but what it...

Jun912 02:02 AM
sciboudy

3 
709 
I am interested in knowing that in QM what vector/tensor operators are? In fact how do they differ from scalar...

Jun812 04:41 PM
Bill_K

3 
740 
Electrons paired up in an orbital have antiparallel spins. One rotates in clockwise direction and the other in...

Jun812 03:13 PM
Naty1

4 
1,016 
Hi,
Have there been done variations of double slit experiment, particularly I'm interested in following scenarios:...

Jun812 01:05 PM
Simon Bridge

3 
820 
In the experiments done with superconducting rings by Delft and Stony Brook, currents are shown to be moving in both...

Jun812 04:22 AM
Dadface

63 
6,602 
Hi!
I'am young and am very excited about Physics. I would like to read the research papers written by famous...

Jun812 02:33 AM
M Quack

3 
1,162 
Hello,
not sure if I'm typing the question in the right place, but I encountered this question when going through...

Jun712 03:55 PM
Bill_K

5 
1,095 
I am having troubles finding anything online that reveals the conceptual concerns relating to the probability...

Jun712 02:39 PM
James S Saint

18 
2,151 
First time poster, more of a nerd than an academic.
So virtual particles, can they pop into and out of existence...

Jun712 12:20 PM
FrYYau

5 
874 
Quantum field theory predicts a value for the cosmological constant that is 123 orders of magnitude larger than the...

Jun712 08:10 AM
Sonderval

9 
1,838 
I have some questions concerning the first two chapters of Ginsparg's text on CFT, which can be found here
1. In...

Jun612 05:39 PM
physicus

4 
1,251 
Okay so this is my first post after like 15 min of tying to figure out how to post. Anyways I have been reading about...

Jun612 11:39 AM
juzzy

4 
1,042 
The empirical method of linear combination of atomic orbitals is not hard to understand. There is one thing about this...

Jun612 06:21 AM
Ken G

4 
726 