All Questions
5
questions
1
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2
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307
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How does the many-worlds interpretation look like in bra ket notation?
If I understand correctly the many worlds interpretation says the universe is continously splitting into multiple branches and quantum measurements occur when decoherence causes a quantum state to ...
1
vote
1
answer
88
views
Is it possible to classify "branches" in the MWI of QM? [closed]
In Everett's Many Worlds Interpretation of QM, what would be classified as a "world" or a "branch"?
Would the "reality" of what I'm consciously experiencing be distinguishable from a separate "...
1
vote
2
answers
146
views
Are wave functions built of other wave functions?
I have heard the term wave function used in a number of contexts describing both quantum objects (electrons, etc) and more macroscopic objects (atoms, birds, cats, etc). Is it correct to say a lithium ...
1
vote
2
answers
151
views
Does something prevent superposition at our scale?
I often encounter the argument that quantum mechanics reduces to classical mechanics at sufficiently big scales, as soon as h becomes sufficiently small respect to the actions involved. I clearly ...
23
votes
6
answers
6k
views
How do we know that entanglement allows measurement to instantly change the other particle's state? [duplicate]
I have never found experimental evidence that measuring one entangled particle causes the state of the other entangled particle to change, rather than just being revealed.
Using the spin up spin down ...