Recent questions in Quantum Field Theory

+291 votes

0 answers

How do we experimentally verify/disprove theories proposed by quantum field theory?

asked Mar 17, 2022 in Quantum Field Theory by Chesterman

+197 votes

0 answers

Why do we need to use an effective field theory in condensed matter physics, when it's not really a quantum system?

asked Mar 17, 2022 in Quantum Field Theory by RadiantVerse

+15 votes

0 answers

What is a quasiparticle?

asked Mar 17, 2022 in Quantum Field Theory by Bazbestos

+16 votes

0 answers

Is the block universe theory, where past, present and future all coexist, compatible with the “many worlds” theory in QM, where every time a quantum experiment is performed, all outcomes are obtained, each in a different world?

asked Mar 17, 2022 in Quantum Field Theory by miss pickle

+8 votes

0 answers

Will a unification of relativity and quantum field theory let us figure out the actual radius of black holes' singularities?

asked Mar 17, 2022 in Quantum Field Theory by scunnered (2.1k points)

+11 votes

0 answers

What are the risk associated of with young's double slit experiment and its equipment?

asked Mar 16, 2022 in Quantum Field Theory by StellarWhisper

+4 votes

0 answers

How many quantum fields are there? What are they? Does each of them interact with every other field?

asked Mar 16, 2022 in Quantum Field Theory by CelestialMystic

+20 votes

0 answers

How do the renormalization techniques used in quantum field theory address the issue of infinities in the calculations of particle interactions?

asked Mar 16, 2022 in Quantum Field Theory by Finnira

+115 votes

0 answers

How did Kaluza-Klein theory start?

asked Mar 16, 2022 in Quantum Field Theory by Enda Kelly

+61 votes

0 answers

What implications does David Bohm's quantum theory have for our understanding ofreality?

asked Mar 16, 2022 in Quantum Field Theory by Alps

+316 votes

0 answers

Does a field always imply a material medium? For example, does a gravitational field imply gravitons?

asked Mar 16, 2022 in Quantum Field Theory by gertcher (2.0k points)

+268 votes

0 answers

What is the analogy for quantum field theory (QFT)? What is it called and what does it look like mathematically/physically?

asked Mar 16, 2022 in Quantum Field Theory by DannyDoLittle

+12 votes

0 answers

What are the most accepted theories of how time works in physics or quantum mechanics, such as the existence of a particle or quantum field of time?

asked Mar 15, 2022 in Quantum Field Theory by NebulaVerse

+118 votes

0 answers

In Young's double slit experiment, why is the red light farther from the central bright fringe than violet light?

asked Mar 15, 2022 in Quantum Field Theory by moss42

+226 votes

0 answers

How many neutrino-photon quanta fit inside a regular photon quanta?

asked Mar 15, 2022 in Quantum Field Theory by LuminousDreamer (2.3k points)

+14 votes

0 answers

What are scalar fields, and how are they different from other fundamental fields?

asked Mar 15, 2022 in Quantum Field Theory by hochien

+18 votes

0 answers

In a double slit experiment, how can physicists throw one photon at a time?

asked Mar 15, 2022 in Quantum Field Theory by RadiantHorizon

+114 votes

0 answers

If you would look at a particle, would it be everywhere at once (uncertainty principle)? I don’t understand it, you would just see the particle and not many particles.

asked Mar 15, 2022 in Quantum Field Theory by malkie129

+25 votes

0 answers

In the two-slit experiment with molecules, does the molecule somehow go through "both of the slits" or it kind of "spreads out" going through one definite slit?

asked Mar 15, 2022 in Quantum Field Theory by shelley mills

+13 votes

0 answers

If the “launched” single molecules are ad hoc (specially) prepared/manipulated for the purpose of double-slit experiment, how can we claim that “ordinary” (classical world) matter has wave-particle character, and not just the manipulated particles?

asked Mar 15, 2022 in Quantum Field Theory by CrystalHarmony

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