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Monday, October 19, 2026

Lecture on Debye model for solids

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 I just finished preparing my undergraduate lecture on the Debye model for solids. Here are my slides . The course is a third-year course on...
Tuesday, October 13, 2026

Reflections of the 2026 Nobel Prizes

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 Last week I enjoyed following the Nobel Prize announcements in Physiology or Medicine, Physics, and Chemistry. Reading the popular accounts...
3 comments:
Monday, October 5, 2026

Nobel Prize Predictions for 2026

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This week Nobel Prizes will be announced. Predicting the awardees is a fun annual exercise. It is also good to reflect on what has been achi...
Tuesday, September 29, 2026

What are the assumptions of science?

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 Science makes assumptions about the nature of the world and the nature of humanity. We are so used to these ideas that we may overlook that...
1 comment:
Friday, September 25, 2026

For my blog Google Analytics has gone weird

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I occasionally look at Google Analytics for my blog in the slim hope it might tell me something about the level and nature of interest (or l...
4 comments:
Monday, September 21, 2026

Lecture on degenerate Fermi gases at low temperatures

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Here are the slides for an undergraduate lecture I gave today. The slides also include the derivations I gave by hand on the document viewe...
Thursday, September 17, 2026

What is so amazing about the degeneracy pressure for Fermi liquids?

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 I just finished preparing my undergraduate lecture on ideal Fermi gases at zero temperature. Here are my slides.  (Note. The derivations ar...