Recent questions in Quantum Field Theory

+117 votes

0 answers

In the double-slit experiment with single atoms, does the atom somehow go through "both of the slits" or it just (kind of) "spreads out" going through one definite slit?

asked Jan 20, 2022 in Quantum Field Theory by AstralWhirl

+49 votes

0 answers

How did the Dirac equation imply the existence of antimatter?

asked Jan 20, 2022 in Quantum Field Theory by Chippie mac chipface (4.0k points)

+1.2k votes

0 answers

When the size of the double slit experiment exceeds the Planck mass or other related critical measure classical effects take over?

asked Jan 20, 2022 in Quantum Field Theory by CrystalPulse

+17 votes

0 answers

If the results of Bell test experiments could actually be described by a local hidden variable theory, instead of standard quantum mechanics, what would this imply about the field of quantum computing? Would it still be useful for anything?

asked Jan 19, 2022 in Quantum Field Theory by HFJoiner

+123 votes

0 answers

What is a virtual particle, and how do they arise in quantum theory?

asked Jan 19, 2022 in Quantum Field Theory by MR K

+303 votes

0 answers

How could we theoretically show that any one of the interpretations of quantum mechanics is or isn't correct?

asked Jan 19, 2022 in Quantum Field Theory by PJ Wales

+23 votes

0 answers

In Young's double slit experiment, the distance between the slits is kept smaller than the wavelength of light. What is the effect?

asked Jan 18, 2022 in Quantum Field Theory by screwfix.peter

+27 votes

0 answers

Can you recommend any good books that go deeper into theoretical physics than what was covered in Feynman's lectures (i.e. quantum field theory, string theory)?

asked Jan 18, 2022 in Quantum Field Theory by AstralBreeze

+86 votes

0 answers

Young’s double slit experiment uses a single light source to illuminate both slits. Would the same pattern be obtained for two independent sources of light, such as the headlights of a distant car?

asked Jan 18, 2022 in Quantum Field Theory by yakuzakitty

+7 votes

0 answers

What is the relationship between particle physics and quantum mechanics?

asked Jan 18, 2022 in Quantum Field Theory by Luke3

+48 votes

0 answers

How does a Higgs boson get its mass? Can we calculate it exactly using quantum field theory (QFT)?

asked Jan 18, 2022 in Quantum Field Theory by Davebuilder

+280 votes

0 answers

What is the Lagrangian of the Standard Model?

asked Jan 18, 2022 in Quantum Field Theory by Fuzzy-Felt Bloke

+221 votes

0 answers

What is the difference between a field in classical physics, quantum field theory (QFT) and general relativity (GR)?

asked Jan 18, 2022 in Quantum Field Theory by TheHouseThatJackBuil

+111 votes

0 answers

What is strange about entanglement if that’s just a synchronisation between two particles until one is being impacted by measurement or other particle?

asked Jan 18, 2022 in Quantum Field Theory by MrA

+121 votes

0 answers

If the fine structure constant is dependent on virtual particles, and virtual particles are dependent on Heisenberg, then is alpha based on some time interval of electromagnetism?

asked Jan 18, 2022 in Quantum Field Theory by Fat Tony

+11 votes

0 answers

Does Quantum mechanics imply the world outside our past light cone is non existent? Specifically in regard to the Quantum eraser?

asked Jan 17, 2022 in Quantum Field Theory by BEF (3.7k points)

+26 votes

0 answers

Is it correct to say that objects with mass-energy cause the gravitational field to bend? Is this curvature real or just a mathematical construct?

asked Jan 17, 2022 in Quantum Field Theory by Cannon86

+14 votes

0 answers

Has anyone done the double-slit experiment with detectors, as Feynman described in QED?

asked Jan 17, 2022 in Quantum Field Theory by Hoskie

+89 votes

0 answers

How can we reconcile the wave-particle duality of quantum particles with the classical understanding of fields?

asked Jan 17, 2022 in Quantum Field Theory by Kelsey (2.4k points)

+26 votes

0 answers

Is the probability of finding an electron in the universe non-zero?

asked Jan 16, 2022 in Quantum Field Theory by Hartke

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Recent questions in Quantum Field Theory

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