Recent questions in Quantum Field Theory

+2 votes

0 answers

What is the name of the most real thing according to QFT?

asked Nov 14, 2022 in Quantum Field Theory by VelvetVerse

+325 votes

0 answers

Are there any alternative theories to explain the results of the double slit experiment?

asked Nov 14, 2022 in Quantum Field Theory by Rollie

+14 votes

0 answers

Does space-time just contain quantum fields or is it constructed from them? Generally, what is the meaning of space-time in QFT?

asked Nov 14, 2022 in Quantum Field Theory by John John Jones

+3 votes

0 answers

If experiments (showing residual noise and quantum behavior at macroscopic scale) are done only under ad hoc very controlled circumstances, how can some physicists claim that in the real (not controlled) world there're no purely classical systems?

asked Nov 14, 2022 in Quantum Field Theory by kpm

+17 votes

0 answers

In quantum mechanics, where do particle waves come from before or after they’re measured (the double slit experiment)?

asked Nov 14, 2022 in Quantum Field Theory by StellarAlchemy

+23 votes

0 answers

What are some good resources for learning about the Chern-Simons theory?

asked Nov 14, 2022 in Quantum Field Theory by Chris_ldn

+215 votes

0 answers

Are Schwinger's and Feynman's versions of quantum field theory more complementary, or more adversarial?

asked Nov 14, 2022 in Quantum Field Theory by DevilDamo

+104 votes

0 answers

Is there a limit to how much energy a quantum field can hold?

asked Nov 13, 2022 in Quantum Field Theory by Eric Cartman

+18 votes

0 answers

Since only electrons with left-handed chirality interacts with the Higgs Field, does that mean that electrons with right-handedness is massless?

asked Nov 13, 2022 in Quantum Field Theory by DeeCee

+15 votes

0 answers

Where is quantisation of charge ignored, at macroscopic level or microscopic level? What happens at both levels?

asked Nov 13, 2022 in Quantum Field Theory by Bazbestos

+75 votes

0 answers

Why are azimuthal quantum numbers also known as angular quantum numbers?

asked Nov 13, 2022 in Quantum Field Theory by Cheburashka

+6 votes

0 answers

Can you explain what happens in a single slit diffraction experiment? How does it compare to the double-slit one?

asked Nov 12, 2022 in Quantum Field Theory by LunarNova

+26 votes

0 answers

Are there any particles that require using the yoctometer? Is the ‘yoctometer’ ever used, even theoretically?

asked Nov 12, 2022 in Quantum Field Theory by NOBBLY BOBBLY

+20 votes

0 answers

Can space-time be a quantized manifestation of a field much like photons are the quantum of the electromagnetic field?

asked Nov 12, 2022 in Quantum Field Theory by Stu3540

+14 votes

0 answers

If something passes through one slit, is it possible for it to pass through the other slit simultaneously without destroying its wave nature?

asked Nov 12, 2022 in Quantum Field Theory by LunarHorizon

+104 votes

0 answers

Is the Heisenberg Uncertainty Principle about the precision of the probability distributions of position and momentum?

asked Nov 12, 2022 in Quantum Field Theory by mozart

+14 votes

0 answers

In formulating quantum field theory for free fields, do we pretend the Hamiltonian is that of harmonic oscillators just because it looks like it, or is there another reason?

asked Nov 12, 2022 in Quantum Field Theory by Cecilb70

+16 votes

0 answers

It's said that only in last 4 billion years the expansion of the universe has been accelerating. Does it mean that there had been no dark energy before that? Why was the expansion rate slowing down prior to 5b years ago?

asked Nov 12, 2022 in Quantum Field Theory by stuart avo

+67 votes

0 answers

In the Casimir effect, the two plates are pushed together by virtual particle pressures. The Casimir force equation says that as distance decreases, the outside force increases drastically. why don't we observe this?

asked Nov 12, 2022 in Quantum Field Theory by Creek

+7 votes

0 answers

In Young's experiment of a single slit, two slits or multiple slits, why do we suppose that the waves emanating from any point of the slits are in the same phase the moment they leave the slit?

asked Nov 12, 2022 in Quantum Field Theory by facequantity (3.5k points)

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Recent questions in Quantum Field Theory

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