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SSI 2009
Since we appear to be in the business of summer school announcements, it is perhaps worth passing along the date and title for next year’s SLAC Summer Institute: Revolutions on the Horizon 3 – 14...
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“Please cite me” e-mails…
I recently put up my first paper on the arXiv and have been dealing with the torrent of e-mails asking for citations. This is normal and part of the publication process, though I’ve been amused by some...
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Renormalization as Dimensional Analysis
Today I’ll be reviewing P.M. Stevenson, “Dimensional Analysis in Field Theory,” Annals of Physics 132, 383 (1981). It’s a cute paper that helps provide some insight for the renormalization group. A...
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LaTeX Figures with PGF and TikZ
Here’s a new installment to the never-ending debate about the best way to draw figures in LaTeX. (A previous suggestion: Adobe Illustrator.) Stereographic projection image made using TikZ by Thomas...
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The spin connection
I’ve been spending some time thinking about spinors on curved spacetime. There exists a decent set of literature out there for this, but unfortunately it’s scattered across different `cultures’ like a...
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A Brief Introduction to Instantons
This brief instroduction is based on David Tong’s TASI Lectures on Solitons Lecture 1:Instantons. We’ll first talk about the instantons arise in SU(N) Yang-Mills theory and then explain the connection...
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That crazy leptonic sector: multi-muon model-making
The CDF multi-muon anomaly has been an experimental curiosity for a few months now, but it seems to have taken a back seat to PAMELA/ATIC for `exciting experimental directions’ in particle...
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MiniBooNE anomaly
Caveat: I am not an experimentalist and I do not pretend to properly understand experimental nuances… but I’m doing my best to try to keep up with what I think are interesting results in particle...
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PSI lectures to be made available
Good news for theoretical physics graduate education: the unofficial buzz is that Perimeter Institute will be making their “Perimeter Scholars International” (PSI) lectures publicly available through...
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Wilsonian vs 1PI Actions
In SUSY gauge theories there’s a big distinction between the Wilsonian and the 1PI effective actions. Seiberg makes a big distinction between the two during his lectures (e.g. see the discussion that...
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