Recent questions in Quantum Field Theory

+14 votes

0 answers

Can you explain quantum fields to someone who understands basic high school physics but not much beyond that?

asked Jun 20, 2022 in Quantum Field Theory by suzukisj32

+24 votes

0 answers

By “hidden variables” [as local solutions to “action at a distance”], was Einstein looking for new particles or new equations for current particles (and associated fields)?

asked Jun 19, 2022 in Quantum Field Theory by oliver1234 (3.0k points)

+18 votes

0 answers

Is a unified field theory possible without combining Einstein's general relativity with quantum mechanics?

asked Jun 19, 2022 in Quantum Field Theory by Karen 2

+10 votes

0 answers

Why is quantum field theory formulated in terms of harmonic oscillators?

asked Jun 19, 2022 in Quantum Field Theory by David81

+12 votes

0 answers

What happens if an electron passes through two slits at once instead of one slit like classical physics predicts?

asked Jun 19, 2022 in Quantum Field Theory by firemanben

+27 votes

0 answers

On which basis does the standard model equation stipulate that all particles are massless?

asked Jun 19, 2022 in Quantum Field Theory by loidypops

+7 votes

0 answers

How can quantum mechanics be used to explain the double slit experiment?

asked Jun 19, 2022 in Quantum Field Theory by patters78

+169 votes

0 answers

It seems that quantum fields exist at some level, but are they not only concepts to describe ways nature behaves?

asked Jun 19, 2022 in Quantum Field Theory by polygenius

+141 votes

0 answers

Does wave-particle duality in quantum physics mean that in one universe light can be a wave and in another universe light can be a particle?

asked Jun 19, 2022 in Quantum Field Theory by Clairelcb

+25 votes

0 answers

What is the principle of locality? How does quantum theory violate it?

asked Jun 19, 2022 in Quantum Field Theory by 2mths

0 votes

0 answers

What is the origin of virtual particles in quantum physics?

asked Jun 19, 2022 in Quantum Field Theory by Scribbler

+4 votes

0 answers

What are the next falsifiable hypotheses in high energy physics?

asked Jun 19, 2022 in Quantum Field Theory by LuminousTwilight

+8 votes

0 answers

Do we get the same results using sound waves instead of particles in a double slit experiment? Can we get sound waves to collapse?

asked Jun 19, 2022 in Quantum Field Theory by Bungo63

+222 votes

0 answers

How do quantum mechanics and relativity theory interact?

asked Jun 19, 2022 in Quantum Field Theory by RadiantOracle

+14 votes

0 answers

When does the Hamiltonian not describe the energy of a system? Since it's not always the energy of the system but something more general, what is it?

asked Jun 18, 2022 in Quantum Field Theory by Fordy9905 (3.6k points)

+16 votes

0 answers

How is the collection of quantum fields different from the aether rejected by the Michelson-Morley demonstration?

asked Jun 18, 2022 in Quantum Field Theory by tremain

+199 votes

0 answers

What exactly does it mean to quantize a field in QFT? Does it mean all the properties of the relevant particle (since the field is just a Fourier sum of all possible wavefunctions of the particle) are quantized?

asked Jun 18, 2022 in Quantum Field Theory by prep it

+17 votes

0 answers

What is the difference in light behavior in a double-slit experiment when it is being watched versus when it is not being watched?

asked Jun 18, 2022 in Quantum Field Theory by Dr Who

+111 votes

0 answers

When does the wave function of the double-slit experiment collapse? Does it happen when a detector is added? Does it happen when a recorder is connected to the detector? Does it happen when an observer looks at the recorded results?

asked Jun 18, 2022 in Quantum Field Theory by Joe Smithy

+23 votes

0 answers

Is it possible that the causality paradox of the double slit experiment (i.e. post-observation determines path) could be explained by the photon, being massless and travelling at c, not "experiencing" space or time in the same way massy particles do?

asked Jun 18, 2022 in Quantum Field Theory by Harryuk147

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