Tagged Questions
6
votes
1answer
367 views
Wick rotation and the arrow of time
It is well known that we can switch from a statistical system to a quantum mechanical system by a Wick rotation. Has this rotation some implication on the way the time flow? namely, this is an ...
3
votes
6answers
546 views
Time Reversal Invariance in Quantum Mechanics
I thought of a thought experiment that had me questioning how time reversal works in quantum mechanics and the implications. The idea is this ... you are going forward in time when you decide to ...
0
votes
3answers
274 views
Has anyone theorized a connection between entropy and quantum uncertainty?
I apologize if this kind of idle theorizing is frowned upon here, but I was wondering if it is possible that the Second Law of Thermodynamics is a consequence of quantum uncertainty.
I've heard ...
2
votes
0answers
132 views
Can the time direction of wave function collapse be reversed?
The laws of physics are invariant under CPT transformations reversing time, inverting space and flipping charges. Almost so. The collapse of the wave function is the odd man out. Can the time ...
6
votes
4answers
1k views
On the nature of the collapse of the wave function
The collapse of the wave function by measurements is one of the most mysterious properties of quantum mechanics.
At what scale does the wave function collapse? What are the conditions for a ...
8
votes
2answers
498 views
Calculation of the cross section
Why, when we calculate the total cross section, we make the average other initial states and the sum over final states?
