renormalize's latest activity
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Rrenormalize replied to the thread I A sufficient condition for integrability of equation ##\nabla g=0##.That's simply not true. See the paper: The Geometrical Trinity of Gravity in which the authors derive the teleparallel equivalent of...
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Rrenormalize reacted to mitchell porter's post in the thread I Fermion doubling problem and three generations of standard model with
Like.
Fermion doubling is just one form of a broader phenomenon, in which de facto extra fermions are brought about by the existence of extra... -
Rrenormalize reacted to PeterDonis's post in the thread I Fermion doubling problem and three generations of standard model with Like.
The fact that you are asking this question indicates that you don't have any references to back up this: Without a valid references as...
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Rrenormalize replied to the thread I Fermion doubling problem and three generations of standard model.That is simply not true. Here is your original post containing the statements quoted by @PeterDonis:
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Rrenormalize replied to the thread I Big bang balloon?.No, because a "Planck size sphere" by definition has a very small but finite size. The big bang singularity has zero size.
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Rrenormalize replied to the thread I Fermion doubling problem and three generations of standard model.But Wikipedia says: That suggests to me that a 3D lattice could give rise to 1, 2, 4, or 8 generations, not an odd number like 3. But...
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Rrenormalize replied to the thread I Fermion doubling problem and three generations of standard model."They can also differ in how many of the doublers they eliminate, with some consisting of a doublet, or a quartet of fermions." All of...
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Rrenormalize replied to the thread I Fermion doubling problem and three generations of standard model.From https://en.wikipedia.org/wiki/Fermion_doubling: Can you explain why you think that putting the continuum electron field on a...
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Rrenormalize replied to the thread A Weinberg's proof of ##{T^{\mu\nu}}_{,\nu}=0## for a perfect fluid.(1) Weinberg gets his negative sign by using the identity: $$\frac{\partial}{\partial...
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Rrenormalize replied to the thread B Interstellar asteroids.Yes, but @OmCheeto asked: "Shouldn't the stars both be attracted to the asteroid, move to the left and inward initially and then inward...
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Rrenormalize replied to the thread B Interstellar asteroids.At only ##1\text{ kg}\,##, the asteroid is a negligible test body compared to the ##2\times 10^{30}\text{ kg}## star masses, so it's...
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Rrenormalize replied to the thread A Looking for linear frame dragging formula.Here's a link to a 2005 paper with a comprehensive treatment of the subject: A model for linear dragging that contains references to...
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RI read it as the blue line in the bottom left being ##3\times 10^{13}\mathrm{m}## and the green arrow across the middle being the twice...
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Rrenormalize replied to the thread B Interstellar asteroids.Are you sure? As I read their (confusing?) diagram, the asteroid starts on the left at a distance of ##3\times 10^{13}\,\text{m}## but...
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Rrenormalize replied to the thread I Hydrogen 21 cm line time?.What does this statement even mean?
