Recent questions in Quantum Field Theory

+11 votes

0 answers

How is a single proton created for double slit experiments?

asked Apr 15, 2023 in Quantum Field Theory by JimDIY

+21 votes

0 answers

Why is gravity not a force? I mean, it has a field and a particle to mediate (if the graviton were real) like any other of the fundamental forces right?

asked Apr 15, 2023 in Quantum Field Theory by Plec

+218 votes

0 answers

If quantum theory proves correct and particles can exist in multiple universes simultaneously, does that mean that we are all living in parallel universes right now?

asked Apr 15, 2023 in Quantum Field Theory by Richard34

+300 votes

0 answers

Given that an object is not in coherent state, can it undergo quantum tunnelling?

asked Apr 15, 2023 in Quantum Field Theory by Kelly Burrows

+50 votes

0 answers

How can (some) physicists be certain that infinitesimal probabilities (such as quantum tunnelling of a "macroscopic" object) are not artifacts of the dynamic incompleteness of the models?

asked Apr 15, 2023 in Quantum Field Theory by John Darwin

+295 votes

0 answers

Why does the double slit experiment scare me?

asked Apr 15, 2023 in Quantum Field Theory by Man of gwent

+23 votes

0 answers

What are some post-string theory directions in theoretical physics?

asked Apr 15, 2023 in Quantum Field Theory by Sortingitout

+25 votes

0 answers

How can we unify the theory of general relativity with quantum theory to better understand gravity at the subatomic level?

asked Apr 15, 2023 in Quantum Field Theory by Possom

+70 votes

0 answers

Can a molecule be described by one single wave function?

asked Apr 15, 2023 in Quantum Field Theory by QuantumDreamer

+198 votes

0 answers

What are some simple applications of conformal field theories (CFTs)?

asked Apr 15, 2023 in Quantum Field Theory by cinematic

+15 votes

0 answers

How does quantum theory affect the way we observe matter?

asked Apr 15, 2023 in Quantum Field Theory by CAREER MAN

+1 vote

0 answers

What do you tell someone who asks "What is String Theory"?

asked Apr 14, 2023 in Quantum Field Theory by LunarEcho

+35 votes

0 answers

In practice, can a tiny grain of sand be prepared in coherent state?

asked Apr 14, 2023 in Quantum Field Theory by Johnski (2.1k points)

+10 votes

0 answers

How does a particle know when to collapse in the double slit experiment?

asked Apr 14, 2023 in Quantum Field Theory by tommy trowel

+14 votes

0 answers

What separate math from theoretical physics, besides the potentially unlimited differences in specific conseptual conditions?

asked Apr 14, 2023 in Quantum Field Theory by CGre

+26 votes

0 answers

When the entangled state of two entangled particles (A and B) is detected, does the detection of the state of particle A automatically show also that state of particle B, or do we need to also detect the state of particle B?

asked Apr 14, 2023 in Quantum Field Theory by MTHEAD

+129 votes

0 answers

At what size do the results of the double-slit experiment change?

asked Apr 14, 2023 in Quantum Field Theory by Just checking!

+661 votes

0 answers

With the LISA (laser Interferometer Space Antenna) being launched by NASA, can we hope to find the gravitons? In that case, assuming these particles exist but have mass, what kinds of changes and news possibilities would that bring?

asked Apr 14, 2023 in Quantum Field Theory by christhefitter

+230 votes

0 answers

What does the double slit experiment say about particle theory?

asked Apr 14, 2023 in Quantum Field Theory by mloughrey

+7 votes

0 answers

In a local theory of branching in the Many Worlds Interpretation what can we say about spatially separated systems?

asked Apr 14, 2023 in Quantum Field Theory by Chrismiller1992

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