Description:
Current physics research. (Moderated)
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Atomic energy levels isoelectronic sequence
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I am trying to rationalise the behaviour of experimental atomic energy
levels of the potassium atom (Z=19) isoelectronic sequence. Ground-state
potassium has the expected [Ar] 4s^1 configuration (2S term symbol),
while the 4p and 3d configurations (2Po and 2D terms) have relative
energies approximately of 13000 and 21500 cm-1. (Atomic energy levels... more »
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software engineering for scientific computing
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I recently ran across a nice paper on software-engineering issues for
scientific computing:
G. Wilson et al,
"Best Practices for Scientific Computing"
arXiv:1210.0530
There's nothing here that's particularly newsworthy for
software-engineering experts... but I know plenty of
scientists-who-spend-most-of-t heir-time-working-on-software who... more »
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Quantum weirdness? It's all in your mind.
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In Scientific American June 2013 there is an article
about: 'Quantum Weirdness? It's all in your mind'
The article claims that in order to understand
quantum theory ( Schrodingers Cat Paradox) you do not need standard probabilities but Quantum Bayesianism.
In the article is written:
'By insisting that the wave function is a subjective... more »
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The Geometric Representations of the BLL Family of Symmetry Groups
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I decided to give scribd out a try and (if it works out okay) to place
all my notes, expositories, some of my unpublished research, etc. on
there. The content spans a large number of fields of mathematics,
physics, computer science, logic and other fields in addition.
The following has been uploaded to Scribd:... more »
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Dirac's paper on QM of Electron
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I'm trying to read Dirac's paper "The Quantum Theory of the Electron."
I am really struggling with the first displayed equation on 611. Is
there a sign error? Should it read something like:
F = -(W/c - eA_0/c)^2 + (p + eA/c)^2 + m^2c^2?
I googled the Klein-Gordon equation, which Dirac is motivating in this... more »
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