Author Archives: woit

DAU. String Theory

I first wrote here in 2015 about DAU, the unusual film project based to some extent on the life of Landau. Parts of the film first were shown in Paris early in 2019, and this past year started appearing on … Continue reading

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20 Years Later

Almost exactly twenty years ago I started writing a short article about the problems with string theory. I had been thinking about doing this for quite a while, and the timing of entering the twenty-first century seemed appropriate for evaluating … Continue reading

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Various and Sundry

A few recent items of interest: Martin Greiter has put together a written version of Sidney Coleman’s mid-1990s lecture Quantum Mechanics in Your Face, based on a recording of one version of the lecture and copies of Coleman’s slides. It’s … Continue reading

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Contemplating the End of Physics

In a remarkable article entitled Contemplating the End of Physics posted today at Quanta magazine, Robbert Dijkgraaf (the director of the IAS) more or less announces the arrival of the scenario that John Horgan predicted for physics back in 1996. … Continue reading

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Various Links, String Theory now Untethered

I’ve been spending most of my time recently trying to get unconfused about Euclidean spinor fields, will likely write something here about that in the not too distant future. Some other things that may be of interest: I did an … Continue reading

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Do Particle Physicists Continue to Make Empty Promises?

Blogging has been light here, since little worthy of note in math/physics has been happening, and I’ve been busy with teaching, freaking out about the election, and trying to better understand Euclidean spinors. I’ll write soon about the Euclidean spinors, … Continue reading

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2020 Physics Nobel Prize

The 2020 Physics Nobel Prize was announced this morning, with half going to Roger Penrose for his work on black holes, half to two astronomers (Reinhard Genzel and Andrea Ghez) for their work mapping what is going on at the … Continue reading

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Quick Links

A few quick links: I was sorry to hear of the recent death of Vaughan Jones. A few things about his life and work have started to appear, see here, here and here. For a wonderful in-depth article about the … Continue reading

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Fall Quantum Mechanics Class

I’ll be teaching a course on quantum mechanics this year here at Columbia, from a point of view aimed somewhat at mathematicians, emphasizing the role of Lie groups and their representations. For more details, the course webpage is here. The … Continue reading

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AMS Open Math Notes

The AMS for the last few years has had a valuable project called AMS Open Math Notes, a site to gather and make available course notes for math classes, documents of the sort that people sometimes make available on their … Continue reading

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