09-22-2019, 04:57 PM
(09-21-2019, 05:41 PM)sohamb03 Wrote: @tryp4vps: Are you speaking about Heisenberg's one? If so, that concerns the variation of momentum and position of a quantum particle and the uncertainty involved in the measurement of those. I don't think it has anything to do with energy generation out of nothing.....
I think we are talking about the same Werner Heisenberg's uncertainty principle. But the uncertainty principle is not only about an uncertainty relation between momentum and position. It can also be an uncertainty relation between time and energy.
During a precise time interval, it is possible that energy (a.k.a particles) can be temporarily created out of an empty space (a.k.a out of nothing).
The idea is that although the total energy of the empty space is zero, transitions between energy creation and destruction can still occur. That is called fluctuations, or quantum fluctuations.