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Undergrad Ta-Pei Cheng's "Relativity & Cosmology" Course on YouTube

Thread starter robphy
Start date Jan 20, 2022
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Cosmology Relativity Videos

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Ta-Pei Cheng's "Relativity & Cosmology" course on YouTube offers a comprehensive exploration of advanced topics in physics. The course is accompanied by a well-regarded textbook on gauge theory co-authored by Cheng and Li, which is recognized as a standard reference. The lectures are aimed at those interested in deepening their understanding of relativity and cosmology. The YouTube channel features organized playlists for easy navigation of the content. Overall, this course presents a valuable resource for students and enthusiasts of theoretical physics.

Jan 20, 2022

#1

robphy

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I was browsing YouTube (again) and stumbled upon this set of lectures by Ta-Pei Cheng.
(I've seen the cover of the textbooks...
but I'm not familiar with the author-lecturer or the details of the texts... but this looks interesting.)

http://www.umsl.edu/~chengt/

https://www.youtube.com/channel/UCodbYw79miRzcIjwybzYfmw/playlists

Physics news on Phys.org

Jan 21, 2022

#2

vanhees71

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I know the book on gauge theory by Cheng and Li which is a good standard textbook.

Thread 'EPR revisited'

In an inertial frame of reference (IFR), there are two fixed points, A and B, which share an entangled state $$ \frac{1}{\sqrt{2}}(|0>_A|1>_B+|1>_A|0>_B) $$ At point A, a measurement is made. The state then collapses to $$ |a>_A|b>_B, \{a,b\}=\{0,1\} $$ We assume that A has the state ##|a>_A## and B has ##|b>_B## simultaneously, i.e., when their synchronized clocks both read time T However, in other inertial frames, due to the relativity of simultaneity, the moment when B has ##|b>_B##...

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