Demystifier's latest activity
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My learning is a bit rusty. I can intuit the answer but I can't formalize it. What does the scale read? I say the scale reads 10kg... -
Demystifier reacted to Morbert's post in the thread I How to understand quantum computers? with
Love.
Start with "The Talk" by Scott Aaronson https://www.smbc-comics.com/comic/the-talk-3 -
Demystifier replied to the thread A Challenge to Bohmian mechanics by Sharoglazova et al, Nature, 2025.Here it is: https://arxiv.org/abs/2507.08049
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Demystifier reacted to pines-demon's post in the thread I What's the deal with instantons? with
Like.
I am reading Blundell and Lancaster and I am still lost to what they want me to understand about instantons. So I get the following... -
Demystifier replied to the thread I What's the deal with instantons?.What one really wants to compute is the tunneling amplitude between different vacua. Computing it exactly is complicated, so one uses...
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Demystifier reacted to atyy's post in the thread A Challenge to Bohmian mechanics by Sharoglazova et al, Nature, 2025 with Like.
Energy–speed relationship of quantum particles challenges Bohmian mechanics. Sharoglazova V, Puplauskis M, Mattschas C, Toebes C, Klaers...
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Demystifier replied to the thread A Challenge to Bohmian mechanics by Sharoglazova et al, Nature, 2025.Yesterday I have submitted a "Comment" (in Nature it is called Matters Arising) to Nature related to this paper. Today I have also...
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Demystifier replied to the thread I Deriving Bogoliubov transformations correctly.Check out the book Grosso, Pastori Parravicini, Solid State Physics, Sec. 18.4.1 The Bogoliubov Canonical Transformation. The...
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Demystifier reacted to pines-demon's post in the thread I Deriving Bogoliubov transformations correctly with
Informative.
Actually according to various sources, Bogoliubov transformations of the boson operators (not of the states), are symplectic. See for... -
Demystifier replied to the thread I Deriving Bogoliubov transformations correctly.Bogoliubov transformation is unitary. For bosons, especially in quantum optics, this unitary transformation is known as squeezing. But I...
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Demystifier reacted to Kostik's post in the thread A Does the EP imply that a free-falling observer follows a geodesic? with Like.
Never mind, it's obvious. In an inertial reference frame, a "free-falling particle" is simply one not acted upon by any forces, hence...
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Demystifier replied to the thread Collection of Science Jokes P2.
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