PeterDonis's latest activity
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PeterDonis replied to the thread Graduate Universal quantum physics.As the term "interpretation" is used in this subforum, these theories are not interpretations. They are alternate theories, since they... -
PeterDonis reacted to JimWhoKnew's post in the thread Undergrad The imaginary part of the wave function with
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Introductory textbooks usually deal a lot with time-independent Hamiltonians of the form$$H=\frac{\mathbf{P}^2}{2 m}+V(\mathbf{x})\quad... -
PeterDonis reacted to renormalize's post in the thread Undergrad The imaginary part of the wave function with Like.
I don't see that at all. Consider, e.g., Griffiths & Schroeter, Introduction to Quantum Mechanics (3rd ed.) in which the authors solve...
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PeterDonis replied to the thread Undergrad EPR revisited.That depends on what you consider "the issue of collapse" to be. QFT does not have the collapse postulate in the form that...
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PeterDonis replied to the thread Graduate Dasgupta et al., What is the alternative to a unique dS vacua?.I still can't really make sense of this. Do you have a reference that expounds this further?
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PeterDonis replied to the thread Undergrad EPR revisited.More precisely, in non-relativistic QM, there is a collapse postulate, but it is not a postulate about anything that "really happens"...
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PeterDonis replied to the thread Undergrad EPR revisited.Rescue you from what? I don't understand what issue you think you need to be "rescued" from. If you mean the scenario you described in...
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PeterDonis replied to the thread Undergrad EPR revisited.I'm still a little confused here. The only theories that have been "explored" at all in this thread are non-relatvistic QM, QFT, and...
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PeterDonis replied to the thread Undergrad One does not “prove” the basic principles of Quantum Mechanics.After moderator review, the thread will remain closed.
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PeterDonis replied to the thread Undergrad EPR revisited.What theory are you talking about?
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PeterDonis replied to the thread Undergrad EPR revisited.No. You can do QFT in flat or curved spacetime.
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In flat spacetime (Special Relativity) it's conventional to talk about "observers" or "inertial observers". This often means...
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The thing is that the event horizon is a lightlike surface. That means that in any local inertial frame the event horizon moves outward...
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PeterDonis replied to the thread Undergrad EPR revisited.Only in the sense that QFT gives a mechanism for computing probabilities that doesn't have the collapse postulate the way ordinary...
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PeterDonis replied to the thread Graduate Dasgupta et al., What is the alternative to a unique dS vacua?.What do you mean by "observer equivalence" and how does it differ from "no preferred observer"? Please give references.