Is the vacuum empty? Are virtual particles in the vacuum? Is the vacuum non-zero?
70008
Virtual Particles real? Virtual particles create a universe?
20680
Does infinity exist in physical systems?
40305
Hilbert space of a free particle: Countable or Uncountable?
58089
What really goes on in a vacuum?
98902
How can particles be emitted from particles?
9937
Does time freeze at Absolute Zero?
13251
Does a photon in vacuum have a rest frame?
149882
What is meant by "Nothing" in Physics/Quantum Physics?
660
Is the empty space really empty?
52648
What happens to matter in a standard model with zero Higgs VEV?
5609
Why is flux through a closed surface not infinite?
39041
work done is zero if displacement of point of application of force is zero but why can't we assume forces on COM and its displacement
91613
Can a particle pass through a nodal point where its wave function is zero?
38151
Why is absolute zero considered to be asymptotical? Wouldn't regions such as massive gaps between galaxy clusters have temperatures of absolute zero?
28177
What causes the permittivity and permeability of vacuum?
35409
Massless charged particles
36192
Are virtual particles only a fictive tool in equations?