Recent questions in Quantum Field Theory

+5 votes

0 answers

In the double slit experiment, people say that, mathematically, electrons go through both slits, no slits, and one slit and that all these possibilities are 'in superposition' with each other. What does this mean and do we know why it happens?

asked Apr 19, 2023 in Quantum Field Theory by DaveF

+77 votes

0 answers

In the double-slit experiment with single electron, if one (knowing the initial conditions of the experiment) fires a single electron, can the math model of QM yield the probability for the electron to hit a particular point on the screen?

asked Apr 19, 2023 in Quantum Field Theory by LuminousHarmony

+15 votes

0 answers

What challenges do unrenormalizable theories pose for physicists studying quantum field theory?

asked Apr 19, 2023 in Quantum Field Theory by dook

+26 votes

0 answers

How does one region of space (at the Planck scale) recognize or know what is occurring in adjacent regions so it can react or change appropriately as those adjacent regions themselves change?

asked Apr 19, 2023 in Quantum Field Theory by Nigel Heather

+5 votes

0 answers

If the electrons of a "macroscopic" object (a tennis ball) are in equilibrium state (well configured in their quantized states), how can there be non-zero probability for an electron (whuch is part of the object) to quantum tunnel?

asked Apr 19, 2023 in Quantum Field Theory by Frankie Miller

+4 votes

0 answers

Is it true that colliding two particles in empty space can cause additional particles to emerge? If yes, where do the additional particles come from?

asked Apr 19, 2023 in Quantum Field Theory by Chris Curwen

+217 votes

0 answers

What is a unified field theory? Why is it so difficult to find? What would be its implications for humanity if it was found?

asked Apr 19, 2023 in Quantum Field Theory by Measure2cut1

+16 votes

0 answers

Is there particle wave duality?

asked Apr 18, 2023 in Quantum Field Theory by widespreadwindbound

0 votes

0 answers

Is condensed matter physics quantum?

asked Apr 18, 2023 in Quantum Field Theory by Chrisfire

+440 votes

0 answers

Fullerene molecules have been prepared in coherent state, however, does the cosmic background gravitational wave radiation set a certain upper limit for preparing a coherent system (in regard to the size of the system)?

asked Apr 18, 2023 in Quantum Field Theory by EmberSeeker

+26 votes

0 answers

If light photons are bigger than quarks/bosons, how are we able to see them? How does the photon bounce back off of it for it to be 'visible'?

asked Apr 18, 2023 in Quantum Field Theory by Marc Berry

+194 votes

0 answers

Does quantum mechanics agree with Einstein's mass-energy equivalence formula E=mc^2?

asked Apr 18, 2023 in Quantum Field Theory by bobs chimney

+1 vote

0 answers

Since the Feynman path integrals seem to diverge, why do they work?

asked Apr 18, 2023 in Quantum Field Theory by Martin99

+156 votes

0 answers

How can the "observer" effect of the double-slit experiment be reproduced at home?

asked Apr 18, 2023 in Quantum Field Theory by dpoison

+14 votes

0 answers

How can we see an interference pattern in the double slit experiment if observing it collapses the wave function back into the 2 slits?

asked Apr 18, 2023 in Quantum Field Theory by hundleton1

+25 votes

0 answers

Why are the fundamental forces called interactions?

asked Apr 18, 2023 in Quantum Field Theory by Jogey

+2 votes

0 answers

What is the double slit experiment in easy words?

asked Apr 18, 2023 in Quantum Field Theory by Chris Curwen

+25 votes

0 answers

Does the mathematical model (predicting the probability for quantum tunnelling) take into account cruical real-world "details" such as other potentials and other interactions (besides transmission and reflection from a lowish barrier)?

asked Apr 18, 2023 in Quantum Field Theory by Moggym

+15 votes

0 answers

Is there any Quantum Energy weapon in the world? Is it possible?

asked Apr 18, 2023 in Quantum Field Theory by brian9999

+7 votes

0 answers

What is the double slit experiment? Can it be done with objects?

asked Apr 18, 2023 in Quantum Field Theory by Marcarm

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Recent questions in Quantum Field Theory

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