Recent questions in Quantum Field Theory

+26 votes

0 answers

How do we reconcile quantum mechanics with classical relativistic field theories?

asked Mar 14, 2022 in Quantum Field Theory by adeline (2.7k points)

+25 votes

0 answers

According to the theory of decoherence, why the subatomic particles of a "regular" solid on the Earth cannot undergo quantum tunnelling (in contrast with the subatomic particles in the cores of the stars)?

asked Mar 14, 2022 in Quantum Field Theory by matt

+279 votes

0 answers

What is the best, all-encompassing equation for physics that we have now?

asked Mar 14, 2022 in Quantum Field Theory by just pumps

+9 votes

0 answers

In the double-slit experiment without "which-slit" measurement, is there any empirical confirmation that the quantum particle does not physically go through one definite slit?

asked Mar 14, 2022 in Quantum Field Theory by Tembo11

+4 votes

0 answers

Are there types of spacetime that have no symmetries?

asked Mar 14, 2022 in Quantum Field Theory by VP2512

+13 votes

0 answers

Is it possible to calculate the radioactive decay probability for a single nucleus at a given moment?

asked Mar 14, 2022 in Quantum Field Theory by Geriko

+26 votes

0 answers

What is Schwinger’s diagrammatic approach to calculating cross sections in quantum field theory?

asked Mar 14, 2022 in Quantum Field Theory by Beeero

+16 votes

0 answers

Does a free electron at rest posess a spin?

asked Mar 14, 2022 in Quantum Field Theory by SolarisAlchemy

+7 votes

0 answers

Is it correct to say that all proposed theories of everything are QFTs?

asked Mar 14, 2022 in Quantum Field Theory by Jayboy

+106 votes

0 answers

What was the age of Max Planck when he invented the quantum theory of light?

asked Mar 14, 2022 in Quantum Field Theory by Hannahbanana76

+185 votes

0 answers

What is an intuitive explanation of the amplituhedron?

asked Mar 13, 2022 in Quantum Field Theory by StellarEnigma

+107 votes

0 answers

Why are unstable quantum entities and their fluctuations, such as particles in the process of transition into another form of particle, hailed as a new found particle?

asked Mar 13, 2022 in Quantum Field Theory by mark singh

+267 votes

0 answers

Can the results of two-slit interference pattern be explained in terms of classical wave theory?

asked Mar 13, 2022 in Quantum Field Theory by Stuart281075

+10 votes

0 answers

How thick, compared to light wave, is the material the double slit experiment is performed using? If it's more than a single small atom thick, wouldn't that show deflection? And by small atom, an atom that does not respond to that light wave.

asked Mar 13, 2022 in Quantum Field Theory by btiw2

+280 votes

0 answers

In QFT, what does the fact that fields respond, say to entanglement, instantly mean? Do we know the nature of such fields or why they respond globally?

asked Mar 13, 2022 in Quantum Field Theory by Bob Rathbone

+230 votes

0 answers

Is it possible to have a purely quantum field, without any particles?

asked Mar 12, 2022 in Quantum Field Theory by PH1L8OB

+39 votes

0 answers

What is the measurement problem in quantum field theory (QFT)?

asked Mar 12, 2022 in Quantum Field Theory by Kutch

+16 votes

0 answers

How is the distance between interference fringes affected by the separation between the slits of Young's experiment? Can fringes disappear?

asked Mar 12, 2022 in Quantum Field Theory by diysarah

+2 votes

0 answers

Could the presence of an electric field affect the expectation value of the Higgs field?

asked Mar 12, 2022 in Quantum Field Theory by yorkyguy

+20 votes

0 answers

What is the difference between 'measurement' and 'observation', and when does it happen in the field of quantum mechanics?

asked Mar 11, 2022 in Quantum Field Theory by Phil the paver1

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