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Feb2313 08:38 AM
ZapperZ

1 
34,432 
I thought Statistical Interpretation of quantum mechanics is a very good alternative besides the orthodox...

Dec1206 02:37 PM
Anonym

49 
5,056 
According to Prof. Sir M. Berry's argument, the Quantum Mechanics transition to Classical Mechanics (when the Planck...

Oct107 05:05 AM
Demystifier

12 
3,623 
Hi, everyone! I'm desperately trying to understand the "Adiabatic" Quantum Computing. I have papers but I need...

Oct2004 11:17 AM
quantumm

0 
955 
How does category theory apply in physics?

May1607 11:30 AM
quantum123

0 
815 
What is the classical analog for l=0 state?
Angular momentum = 0 , what kind of orbits is that?

Aug2212 01:40 AM
DrDu

6 
733 
I was wondering what caused the observed effect of this experiment?

Jun606 05:45 PM
Quantum1332

0 
703 
Hi,
I should start off by saying that I am not physicist, nor am I a physics student, however I have lately been in...

Oct2112 05:35 PM
rocket123456

8 
1,217 
Observing entangled particle not change partners state or states, only break correlation between the two. Many...

Jan2509 07:28 AM
QuantumBend

0 
921 
Hi i am student from India who has completed his Bsc degree and have applied to few Universities in Europe for Msc in...

Feb2512 11:04 AM
quantumboy

0 
1,818 
(The following is a purely qualitative consideration of Quantum Mechanics)
In a particular Quantum Mechanics text,...

Mar2813 02:17 PM
QuantumBunnii

4 
665 
If no human has observed the moon or been able to calculate its existence through studying its physical effects.......

Feb206 11:33 AM
quantumcarl

96 
10,834 
Can anyone please tell me what energy is made of? If this is a really bad question please feel free to eliminate this...

May2306 08:36 AM
Doc Al

36 
30,620 
I'm currently doing my Bachelor's in Physics(1st year). My textbooks aren't too clear on quantum mechanical concepts....

Jun914 11:41 AM
quantumcat

7 
488 
The HamiltonJacobi equation
\frac{\partial W}{\partial t}+\frac{1}{2m}\left + V(x,y,z) = 0
It is said that this...

Feb2111 05:25 AM
QuantumClue

4 
983 
I begin with \int (\bar{\psi}(x) (\mathcal{H} \psi(x)) d^3x
This is just
\int (\bar{\psi}(x) ({\frac{p^2}{2M} +...

Feb2411 08:20 PM
QuantumClue

1 
762 
I have heard that quantized gravitational charge is given by \mu_q= \sqrt{GM}. Sean Carrol seems to define...

Mar111 08:38 AM
jtbell

6 
984 
The gfactor is related to the magnetic moment by our universal equation \mu= g \mu_B S/ \hbar and the magnetic moment...

Mar1111 12:57 PM
RedX

3 
936 
Hi,
I was wondering why the oscillation of a field would cause particle creation (This seems to be the main point...

Dec1910 09:03 AM
QuantumCosmo

0 
782 
Hi,
I was wondering: What is the physical reason for only choosing linear operators to represent observables?

Apr111 08:19 AM
A. Neumaier

5 
1,078 
Hi,
I am currently learning for a test in theoretical physics and in one of my books it was mentioned that there is a...

Apr211 08:10 AM
Bill_K

1 
930 
Hi,
I was wondering if the bound solutions to the radial part of the hydrogen atom form a complete set for the...

May2311 02:00 PM
dextercioby

15 
2,126 
Hi,
I was wondering if the spin of a particle changed under Lorentz boosts. I think what it comes down to is if S^2...

May911 01:28 PM
Bill_K

2 
1,432 
Hello im a second year physics undergrad and I am still in the intro classes. I was wondering if someone could explain...

Nov1604 06:43 AM
dextercioby

5 
1,021 
Hello everyone, I wanted to ask you if you could recommend some, in your mind, excellent books( That every physicist...

Nov1804 03:05 AM
humanino

8 
2,307 
Hello, I was wondering if anybody could lead me to some online reading about Quantum Mechanics and its history? Thanks.

Dec2104 01:05 AM
Eye_in_the_Sky

1 
1,796 
What I mean is, how do we know Quantum Mechanics is not some real good approximation to an even better theory about...

Aug2705 10:11 AM
tavi_boada

24 
2,683 
Hello everyone,
I am in my Undergraduate Quantum Mechanics class right now and it has been great fun...

Oct2006 08:26 PM
CarlB

3 
1,325 
It is said that so called tadpole graph gets eliminated from perturbation expansion if the normalordered interaction...

May1309 02:27 PM
loopist

4 
2,813 
Can some explain me why first order term in perturbation expansion of scattering matrix gives no contribution for...

Nov2607 05:56 PM
QuantumDevil

3 
1,459 
In some QFT books it is written that the generating functional
Z=\int \mathcal{D}\phi e^{i\int...

Dec2507 08:59 AM
QuantumDevil

8 
2,060 
Have multiparticle state of full Hamiltonian and oneparticle state of free Hamiltonian nonzero scalar product?...

Dec2807 04:18 PM
strangerep

5 
3,046 
1. Are there possible (4th order)process of "decay of photon" \gamma\rightarrow 3 \gamma with onephoton initial state...

Mar1208 11:56 AM
reilly

2 
1,010 
Hi all, I have posted a question in the Homework help section, but it doesn't seem like anyone is able to help. I am...

Apr1809 07:48 AM
quantumdude10

0 
823 
Hi,
Can someone explain to me how a particle can exist in \Psi(l=0, s= 3/2).

May2109 11:43 AM
granpa

3 
1,052 
As the poll on this forum from 2011 that has recently been resurrected shows, there are a portion of the users here...

Jul512 09:12 AM
pm97112

7 
1,858 
So there's some potentially quite interesting news circulating:
...

Nov1912 09:44 PM
StevieTNZ

1 
907 
but im confused
how do you proof that the dirac field describes spin half quanta when quantized???
plz refer me to...

Nov1307 07:22 PM
quantumfireball

7 
1,656 
What does it really mean to integrate over all possible fields in the Path integral formulation of quantum field...

Nov2607 04:17 AM
Demystifier

4 
1,621 
"I remember that when someone had started to teach me about creation and annihilation operators, that this operator...

Nov2007 04:52 AM
quantumfireball

4 
1,310 
Are the W+,W and Z0 the field quanta of the massive charged vector fields?????????
ie Proca fields

Jan808 11:58 PM
quantumfireball

12 
1,936 