Pair production in empty space
37227
Spontaneous pair production?
112398
Proof that the effective/proper action is the generating functional of one-particle-irreducible (1PI) correlation functions
56020
Localization and flatness
11181
Counting degrees of freedom of gauge bosons
43842
Negative probabilities in quantum physics
4724
Sequential Stern-Gerlach Experiments
100098
Chemical potential of particles with zero mass
88125
What can you say about the range space and null space
14810
Creation of entangled electrons
92548
Creating an arbitrary state of the quantum simple harmonic oscillator
22842
The Interpretation of $|\psi|^2$ and the No-Clone Theorem
58404
Does vacuum (empty space) exist?
16311
Born rule and unitary evolution
82894
Why cannot fermions have non-zero vacuum expectation value?
36152
Bessel function representation of spacelike KG propagator
29952
Time-ordering vs normal-ordering and the two-point function/propagator
2814
Energy conservation of Virtual Particles - Quantum Fluctuation?