Recent questions in Quantum Field Theory

+1 vote

0 answers

What are the basic concepts of quantum field theory? What are some applications of quantum field theory?

asked May 18, 2023 in Quantum Field Theory by charliebrown (2.3k points)

+3 votes

0 answers

In quantum mechanics, does a stationary particle behave like a wave?

asked May 18, 2023 in Quantum Field Theory by DeeCee

+4 votes

0 answers

Is there an analogy between the path integral propagator and the propagators of Feynamn diagrams? Does each diagram itself wrap a superposition of paths, with the internal and external lines then each symbolizing a sum-over-paths?

asked May 18, 2023 in Quantum Field Theory by Waqasr89

+27 votes

0 answers

If time is relative and depends on the position of the observer, then could it also be a field? Otherwise, how can the rate of time be changed without having any physical properties?

asked May 18, 2023 in Quantum Field Theory by Okoak

+12 votes

0 answers

Has quantum field theory completely replaced quantum mechanics in the physics world?

asked May 18, 2023 in Quantum Field Theory by George Jay

+25 votes

0 answers

How does the way that the Higgs field gives particles mass compare to the way in which other fields give particles mass?

asked May 18, 2023 in Quantum Field Theory by 2be2

+228 votes

0 answers

Is it possible that quantum particles which seem to pop in and out of existence, are actually just moving too fast for us to reliably detect?

asked May 18, 2023 in Quantum Field Theory by kurbads

0 votes

0 answers

Given that (in order to formulate quantum mechanics) one needs to postulate measurement as a contact with a "macroscopic" object, how do (some) physicists describe a "macroscopic object" as a "quantum" object without falling in circular reasoning?

asked May 18, 2023 in Quantum Field Theory by Footman_2

+19 votes

0 answers

Would it be possible that the photon, having somehow no self time because it is all the same for him and thus no position either, could create some kind of interference with himself that would explain his duality?

asked May 18, 2023 in Quantum Field Theory by Cloudsnapper

+254 votes

0 answers

Is there infinitesimal probability for an atom in a solid (e.g. a piece of rock) to escape completely from the solid via quantum tunnelling?

asked May 17, 2023 in Quantum Field Theory by Itandje

+20 votes

0 answers

According to the ‘borrowed energy’ explanation of quantum tunnelling, does vacuum have energy? How come vacuum (pure nothing-ness) has energy?

asked May 17, 2023 in Quantum Field Theory by peter palmer

+4 votes

0 answers

What are the contradictions between general relativity and quantum physics (for one with only very basic knowledge about both)?

asked May 17, 2023 in Quantum Field Theory by Biffo

+653 votes

0 answers

If you perform the double slit experiment by sending 1 photon per minute through undetected, will there still be an interference pattern?

asked May 17, 2023 in Quantum Field Theory by CelestialPulse

+13 votes

0 answers

Can quantum field theory be used to unify the four fundamental forces?

asked May 17, 2023 in Quantum Field Theory by Caddy

+12 votes

0 answers

What did Albert Einstein get wrong about quantum theory?

asked May 17, 2023 in Quantum Field Theory by Dont touch its live!

+17 votes

0 answers

What implications does quantum theory have for our understanding of reality?

asked May 17, 2023 in Quantum Field Theory by LunarScribe

+20 votes

0 answers

If you want to understand most fundamental physics (and QM interpretations), not GR, what's the most relevant equation for (quantum) physics? The standard (linear), or the non-linear variant, or the logarithmic Schrödinger equation? And/or Dirac's?

asked May 17, 2023 in Quantum Field Theory by LunarWhirl

+8 votes

0 answers

What binds particles together in quantum entanglement?

asked May 17, 2023 in Quantum Field Theory by Mudster - www.atston

+18 votes

0 answers

Why are there quantum fluctuations in nothing?

asked May 17, 2023 in Quantum Field Theory by LuminousSculptor

+15 votes

0 answers

What is Bohm's theory?

asked May 17, 2023 in Quantum Field Theory by NebulaMystic

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