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mattt's latest activity
M
mattt
reacted to
A. Neumaier's post
in the thread
A
What is decoherence?
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Like
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Yes. More precisely, collapse is the (not strictly permitted) reinterpretation of the reduced density matrix as an ensemble of pure...
Today, 11:20 AM
M
mattt
reacted to
PeterDonis's post
in the thread
A
What is decoherence?
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Like
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As I read the references @A. Neumaier has provided, there is no such thing as decoherence for the whole system...
Today, 11:19 AM
M
mattt
reacted to
A. Neumaier's post
in the thread
A
What is decoherence?
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Like
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Let me give a more detailed exposition of decoherence, based on the book M. Schlosshauer, Decoherence and the quantum-to-classical...
Today, 11:17 AM
M
mattt
reacted to
A. Neumaier's post
in the thread
I
Does gravity cause quantum decoherence?
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Like
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No. The external field is part of the Hamiltonian, not part of the wave function. Thus your assumption is meaningless. But if the wave...
Thursday, 4:06 PM
M
mattt
reacted to
A. Neumaier's post
in the thread
I
Does gravity cause quantum decoherence?
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Like
.
It would be better to use terminology that means the same for everyone. Otherwise misunderstandings are almost unavoidable! No. Adding...
Thursday, 4:03 PM
M
mattt
reacted to
A. Neumaier's post
in the thread
I
Does gravity cause quantum decoherence?
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Like
.
This is not the case. Curved spacetime changes a quantum system by adding an external gravitation field. It is not a ''disruption'' but...
Thursday, 4:02 PM
M
mattt
reacted to
Demystifier's post
in the thread
I
QFT made Bohmian mechanics a non-starter: missed opportunities?
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Like
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50 days free access to the published version: https://www.sciencedirect.com/science/article/pii/S0378437124002668?dgcid=author
Thursday, 8:42 AM
M
mattt
reacted to
A. Neumaier's post
in the thread
I
Is QM generally believed to be able to describe Newtonian mechanics?
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Like
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MWI is surely not the mainline view. The world is explained by quantum mechanics, no matter which interpretation you choose.
Apr 17, 2024
M
mattt
reacted to
A. Neumaier's post
in the thread
I
Is QM generally believed to be able to describe Newtonian mechanics?
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Like
.
It is your limitation, but not your fault. On the contrary, Newtonian mechanics and special relativity are incapable of explaining the...
Apr 17, 2024
M
mattt
replied to the thread
I
Completeness of Eigenfunctions of Hermitian Operators
.
The case where both the absolutely continuous and the singular continuous spectrum are the empty set (and so the spectrum is just the...
Apr 12, 2024
M
mattt
replied to the thread
I
Completeness of Eigenfunctions of Hermitian Operators
.
Look at the Spectral Theorem for Unbounded Self-Adjoint Operators on Hilbert Space.
Apr 12, 2024
M
mattt
reacted to
lodbrok's post
in the thread
I
A new interpretation of Quantum Mechanics
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Like
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Filtering plays a huge part as already explained. Until the BSM results are used to condition the 14 analysis, no 14 entanglement can be...
Apr 12, 2024
M
mattt
reacted to
lodbrok's post
in the thread
I
A new interpretation of Quantum Mechanics
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Like
.
Not sure where you get that idea from. The experimenters themselves state that filtering is happening.
Apr 11, 2024
M
mattt
reacted to
Fra's post
in the thread
I
A new interpretation of Quantum Mechanics
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Like
.
Before I say anyone I am sensing again the old confusion what nonlocality means. We know that what Bell means, it's essentially the...
Apr 7, 2024
M
mattt
reacted to
PeroK's post
in the thread
I
"Wave-particle duality" and double-slit experiment
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PS just to repeat something I've said on here many times over the years. I have two undergraduate textbooks on QM and the wave-particle...
Mar 30, 2024
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