Recent questions in Quantum Field Theory

+4 votes

0 answers

What are Richard Feynman's ideas on quantum mechanics and quantum field theory? How do they shape the understanding of the nature of dark energy?

asked Aug 15, 2022 in Quantum Field Theory by SteamyTea

+7 votes

0 answers

What happens when a monochromatic light is replaced by a source of white light in a Young double-slit experiment?

asked Aug 14, 2022 in Quantum Field Theory by MTR85

+5 votes

0 answers

What is a quantum cyclic dimension?

asked Aug 14, 2022 in Quantum Field Theory by proby

+100 votes

0 answers

What do physicists mean when they say that virtual particles exist?

asked Aug 14, 2022 in Quantum Field Theory by Nick Diaz

+95 votes

0 answers

What are the Feynman rules in quantum field theory (QFT), and how can they be derived from a perturbation series expansion?

asked Aug 14, 2022 in Quantum Field Theory by Cecilh

+48 votes

0 answers

What is the force that causes particles to become entangled? Do we know?

asked Aug 14, 2022 in Quantum Field Theory by Offshore

+40 votes

0 answers

Does quantum entanglement prove that the wave function is a description of the fabric of space itself and that measurement is a 'looking glass' at space at that moment?

asked Aug 14, 2022 in Quantum Field Theory by Ian1973

+13 votes

0 answers

What is the role of quantum field theory in string field theory?

asked Aug 13, 2022 in Quantum Field Theory by Orlaith

+15 votes

0 answers

Why are diffraction gratings used instead of single slit or double slits to measure the wavelength of light?

asked Aug 13, 2022 in Quantum Field Theory by richc1234

+57 votes

0 answers

Does the recent wormhole result at Google Quantum Computing prove ER = EPR and that quantum gravity is a correct theory?

asked Aug 13, 2022 in Quantum Field Theory by DIY Bobster (3.8k points)

0 votes

0 answers

What are some things that I can learn from quantum chromodynamics?

asked Aug 13, 2022 in Quantum Field Theory by StellarAlchemy

+24 votes

0 answers

Is there any real experiment where 2 entangled photons are created, with the |HH> + |VV> state of system?

asked Aug 13, 2022 in Quantum Field Theory by gyprocjim

+5 votes

0 answers

In quantum mechanics, why is information never lost? In other words: why are things reversible? Is that a basic postulate/axiom in quantum mechanics?

asked Aug 13, 2022 in Quantum Field Theory by Damian Thomas

+248 votes

0 answers

If QM models aren't compatible with electrodynamic vector potential and have only stationary solutions (luckily, hydrogen atoms spend time in quasi-stationary periods of low electrodynamic activity), how some physicist claim QM is complete theory?

asked Aug 12, 2022 in Quantum Field Theory by Carine Brexley

+12 votes

0 answers

Why is the double slit experiment often called "the most important experiment in quantum mechanics"?

asked Aug 12, 2022 in Quantum Field Theory by bigjules

+1 vote

0 answers

What is the field of theoretical physics (quantum physics, particle, solid state…) that has the largest number of applications? Which one do you advise to a master's student willing to keep a maximum number of doors open?

asked Aug 12, 2022 in Quantum Field Theory by assuretrace

+8 votes

0 answers

What is the percentage of scientists who accept quantum theory?

asked Aug 12, 2022 in Quantum Field Theory by ponty.01

+9 votes

0 answers

Why do we observe dark and bright bands when we perform Young's double slit experiment?

asked Aug 12, 2022 in Quantum Field Theory by CrystalTwilight

+20 votes

0 answers

How do we know that quantum fields exist if they are, by definition, beyond our current capability to measure them directly?

asked Aug 12, 2022 in Quantum Field Theory by Leo Abbott

+94 votes

0 answers

How do forces act at a distance?

asked Aug 12, 2022 in Quantum Field Theory by SwanseaJack

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Recent questions in Quantum Field Theory

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