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Category Archives: Quantum Mechanics
Metaphorical Worlds Interpretation
Chad Orzel has a piece at Forbes which I like a lot, where he argues that the “Many Worlds” of the MWI interpretation should be taken metaphorically, and thus the MWI really should be the “Metaphorical Worlds Interpretation”. I urge … Continue reading
Posted in Quantum Mechanics
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An Apology
I’m afraid I made a serious mistake in this previous posting discussing Sean Carroll’s new book. Since the book was relatively reasonable, while the jacket and promotional material that came with it were nonsense, I assumed that Carroll was just … Continue reading
Posted in Quantum Mechanics
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Regarding Papers about Fundamental Theories
Discussion in the comment section of the previous blog entry led me to do a little bit of historical research this morning, and I thought I’d write up the results here. First of all, for some interesting comments from people … Continue reading
Posted in Quantum Mechanics
26 Comments
Quantum Supremacy II
About the only thing that has transcended the bitter partisan divisions between Democrats and Republicans in the US during recent years has been quantum mechanics, with the enactment late last year of the National Quantum Initiative Act (the NQI was … Continue reading
Posted in Quantum Mechanics
26 Comments
What’s the difference between Copenhagen and Everett?
I’ve just finished reading Sean Carroll’s forthcoming new book, will write something about it in the next few weeks. Reading the book and thinking about it did clarify various issues for me, and I thought it might be a good … Continue reading
Posted in Quantum Mechanics
27 Comments
Not So Spooky Action at a Distance
I’ve recently read another new popular book about quantum mechanics, Quantum Strangeness by George Greenstein. Before getting to saying something about the book, I need to get something off my chest: what’s all this nonsense about Bell’s theorem and supposed … Continue reading
Posted in Book Reviews, Quantum Mechanics
62 Comments
Is Quantum Mechanics a Probabilistic Theory?
There is a simple question about quantum theory that has been increasingly bothering me. I keep hoping that my reading about interpretational issues will turn up a discussion of this point, but that hasn’t happened. I’m hoping someone expert in … Continue reading
Posted in Quantum Mechanics
74 Comments
What is Real?
There’s a new popular book out this week about the interpretation of quantum mechanics, Adam Becker’s What is Real?: The Unfinished Quest for the Meaning of Quantum Physics. Ever since my high school days, the topic of quantum mechanics and … Continue reading
Posted in Book Reviews, Quantum Mechanics
74 Comments
Various Topics in Interpretation of Quantum Mechanics
A couple of recent discussions about quantum mechanics that may be of interest: There’s a recent paper out by Don Weingarten that looks looks like it might have a different take on the fundamental “many-worlds” problem of, as he writes: … Continue reading
Posted in Quantum Mechanics
19 Comments
The Free Particle
Following on my notes about Euler’s formula, I’ve finally finished some work on another piece of elementary exposition, a discussion of the free quantum particle, which can be found as chapters 10, 11 and 12 of the book I’m working … Continue reading
Posted in Quantum Mechanics
19 Comments