Recent questions and answers in Quantum Electrodynamics 1

+6 votes

0 answers

How is group theory useful in understanding or representing particles that require 720 degree rotation to return to their original state (spin 1/2)?

answered May 26, 2023 in Quantum Electrodynamics 1 by RadiantPulse

+3 votes

0 answers

Virtual photons in Feynman diagram are merely a calculation tool, so they are not real, but virtual photons in Cassimir effect are real. Right? Then, are Cassimir effect's virtual photons completely different Feynman diagram's virtual photons?

answered May 23, 2023 in Quantum Electrodynamics 1 by BlazeHarmony

+8 votes

0 answers

If all electriomagnetic radition is made of photons and photon can be entangled, how can I take a 7mhz transmission, split it and ensure that its photons are entangled? Also for extra points how big is a photon at 7mhz?

answered May 21, 2023 in Quantum Electrodynamics 1 by Hartke

+5 votes

0 answers

Is time a wave of causality? When a particle is in superposition/interference, is it the particle's time (causality) that is in all possible paths?

answered May 21, 2023 in Quantum Electrodynamics 1 by fishinuk

+197 votes

0 answers

If light is oscillating charge, but light is not "charged", then does light consist of deactivated charge?

answered May 21, 2023 in Quantum Electrodynamics 1 by tonynoarm

+46 votes

0 answers

If quantum mechanics or QED does not identify precise locations of sub atomic structures how can a high energy electron beam probe be used to determine the internal structure of a proton or neutron?

answered May 21, 2023 in Quantum Electrodynamics 1 by Sohail Ahmed

+75 votes

0 answers

Why isn't Max Planck called the founder of quantum mechanics and quantum electrodynamics?

answered May 20, 2023 in Quantum Electrodynamics 1 by Nonails

+5 votes

0 answers

How do the shapes of electron shells deform when two atoms impact each other?

answered May 20, 2023 in Quantum Electrodynamics 1 by paramedicwealthy

+20 votes

0 answers

Can the electromagnetic tensor used in QED vary in time? Do we always assume that the field across space is fixed and does not move? What about in the case of radiation?

answered May 18, 2023 in Quantum Electrodynamics 1 by Daisy07

+12 votes

0 answers

What are the basic differences between quantum mechanics and quantum field theory if both are so good to predict experimental outcomes? Apart from the relativistic treatment, what is/are the main(s) feature(s) of QFT compared with QM?

answered May 18, 2023 in Quantum Electrodynamics 1 by Mikrt

+4 votes

0 answers

Is it possible for virtual photons to not be real?

asked May 17, 2023 in Quantum Electrodynamics 1 by STGO

+123 votes

0 answers

Is it possible to develop quantum electrodynamics in fractal media?

answered May 16, 2023 in Quantum Electrodynamics 1 by RadiantVortex

+4 votes

0 answers

Is coherence all the same wave?

answered May 14, 2023 in Quantum Electrodynamics 1 by quasar9

+9 votes

0 answers

How can an electron emit a photon? I thought a photon was a change in electron energy not a singular emission of an electron by itself (humble in link)?

answered Apr 25, 2023 in Quantum Electrodynamics 1 by arthur gallon

+26 votes

0 answers

In the double-slit experiment with carbon-60 molecules, how is the molecular beam made/obtained?

answered Apr 25, 2023 in Quantum Electrodynamics 1 by gloveswrestler (2.4k points)

+11 votes

0 answers

What is the role of the Higgs field in the behavior of quantum particles, as described by QED and relativity?

answered Apr 25, 2023 in Quantum Electrodynamics 1 by meander (4.0k points)

+21 votes

0 answers

Mathematically, what's the difference between the EM field in classical E&M and the EM field in QED? What mathematical properties does the QED version have that the classical version doesn't and vice versa?

answered Apr 22, 2023 in Quantum Electrodynamics 1 by ginger tuffs

+26 votes

0 answers

For mirror reflection, QED says the energized electron emits the reflected photon. Since the energized electron emits a photon in a random direction, how can we have the optic law where the reflection happens in a specific direction?

answered Apr 22, 2023 in Quantum Electrodynamics 1 by indgepr

+9 votes

0 answers

Do coherent waves take all virtual paths virtually and at the same time? Do the most likely paths have the higher probabilities? What causes the randomness of the chosen landing position?

asked Apr 20, 2023 in Quantum Electrodynamics 1 by ukmgranger

+24 votes

0 answers

In quant field theory, how is it that the same field can be responsible for more than one type of particle, for example, electrons and positron a both being excitations in the electron field?

answered Apr 19, 2023 in Quantum Electrodynamics 1 by CelestialFlare

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Recent questions and answers in Quantum Electrodynamics 1

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