Extracting the Universe from the Wave Function
February 5, 2020
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1:06:58Now PlayingExtracting the Universe from the Wave Function
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as posted by the channelUBC Physics & Astronomy Department Colloquium on December 12, 2019. Presented by Sean Carroll (Caltech).
Quantum mechanics is a theory of wave functions in Hilbert space. Many features that we generally take for granted when we use quantum mechanics - classical spacetime, locality, the system/environment split, collapse/branching, preferred observables, the Born rule for probabilities - should in principle be derivable from the basic ingredients of the quantum state and the Hamiltonian. I will discuss recent progress on these problems, including consequences for cosmology and quantum gravity.
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