Recent questions in Quantum Field Theory

+1.3k votes

0 answers

Is quantum theory nonsense?

asked Mar 20, 2023 in Quantum Field Theory by trunkinitiative

+95 votes

0 answers

What are we missing before we finally have a quantum theory of gravity?

asked Mar 20, 2023 in Quantum Field Theory by Paul K (2.8k points)

+9 votes

0 answers

Should I spend my $600 on Shankar, Landau Lifshitz, Sakurai quantum mechanics, or jump to learn QFT (if so, which one)? I have Messiah already. I have a BS in Physics, albeit as one of the dumber students :). We had Griffiths in school.

asked Mar 19, 2023 in Quantum Field Theory by TREWL

+312 votes

0 answers

Are there phenomena (exhibited by "macroscopic" systems) whose existences cannot be predicted from quantum mechanics?

asked Mar 19, 2023 in Quantum Field Theory by questioner (3.3k points)

+1 vote

0 answers

How do we explain what looks like a violation of conservation of energy when a single electron is fired at a screen in the double slit experiment? Its movement can't be predicted when one electron is compared to the next except for probabilities.

asked Mar 19, 2023 in Quantum Field Theory by havent got a clue

+89 votes

0 answers

What does it mean to "quantize" something and why is it so hard to do it to spacetime in particular?

asked Mar 19, 2023 in Quantum Field Theory by VelvetEnigma

+10 votes

0 answers

Why does time need to be relative and not constant like the speed of light in our universe?

asked Mar 19, 2023 in Quantum Field Theory by handson

0 votes

0 answers

How do we use the principles of non-commutative geometry to describe the properties of particle physics and gravity in the framework of quantum field theory?

asked Mar 19, 2023 in Quantum Field Theory by BruceA

+5 votes

0 answers

Can you use two electrons in the double slit experiment and see interference patterns?

asked Mar 19, 2023 in Quantum Field Theory by Summer1976

+80 votes

0 answers

What are some key differences between quantum thermodynamics and traditional thermodynamics?

asked Mar 19, 2023 in Quantum Field Theory by QuantumNova

+17 votes

0 answers

How do we incorporate gravity into the framework of quantum field theory to create a theory of quantum gravity?

asked Mar 19, 2023 in Quantum Field Theory by Main

+100 votes

0 answers

Is Quantum Gravity an extension to General relativity?

asked Mar 19, 2023 in Quantum Field Theory by CrystalTwilight

+230 votes

0 answers

What is the energy level of the virtual photons involved in the electron 'g' factor that offers variance adding to the factor of 2 calculated by Dirac?

asked Mar 19, 2023 in Quantum Field Theory by Dazron

+322 votes

0 answers

How do we derive that the rest mass of a Dirac Fermion has to be zero? In the case of Graphene around the Dirac points we have those cones in the reciprocal space. How do these two relate? Dirac cones => Dirac Fermions?

asked Mar 19, 2023 in Quantum Field Theory by DeeCee

+8 votes

0 answers

Has the double slit experiment been done with gravity (gravitational waves)? If so, what were the results?

asked Mar 19, 2023 in Quantum Field Theory by dogstaruk

+305 votes

0 answers

Why is the Standard Model of Particle Physics incomplete?

asked Mar 19, 2023 in Quantum Field Theory by Roki

+14 votes

0 answers

Will we ever truly explain the results of the double slit experiment?

asked Mar 19, 2023 in Quantum Field Theory by Bargain Bucket

+107 votes

0 answers

Based on quantum superpositions, and the double slit experiment, how do particles "know" when they're being observed?

asked Mar 19, 2023 in Quantum Field Theory by Mikehughes88

+82 votes

0 answers

What is the wave function and how does it relate to the probability of finding a particle?

asked Mar 19, 2023 in Quantum Field Theory by sparky

+1 vote

0 answers

How does observing photons turn it from a wave into a particle as in the double-slit experiment? What makes "observing" change its behavior?

asked Mar 19, 2023 in Quantum Field Theory by Dunroamin

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Recent questions in Quantum Field Theory

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