The latest video in the course on general relativity has been released... this is arguably the most important lecture in the series; since it is on the precise formulation of the principle of equivalence, with which together with special relativity, one could derive the whole of Einstein's general relativity : https://youtu.be/_riGTkRKm4c
Dear friends, I've just launched a new course on general relativity : https://youtu.be/ec2Re9njvBc Much of the notes have been written, and I am now converting them into videos. The main reference is Weinberg's famous textbook on general relativity; but it wouldn't be needed to follow this course. General relativity is notorious for its complicated calculations involving tensors, which can run over many pages; but I think I've found a way to do this in a simple and intuitive way. Check out this course to see if I've succeed...
Dear friends, I've just uploaded a new video on the Weinberg's series on Quantum Mechanics. This one's about the parity symmetry and similar inversions. Weinberg has done some work on this subject very earlier on in his career; so his book contains a bit more insight about this matter than other textbooks. Sorry it took so long, because this chapter is simply packed with insights and examples; which if not elaborated, would make it difficult reading... I've tried my best to convey much of the subtle points... Watch it here : https://youtu.be/VCNQ84wldUg
Dear friends, I've just uploaded a new video on a simple proof of the Jacobian for N variables(for changing variables in an integral). It is a very general derivation that does not depend on geometric pictures. This is something not commonly found online or in books, hope you'll find it interesting : https://youtu.be/gNPTugMOnug
Also, I am preparing a new series on general relativity, based on Weinberg's famous textbook on the subject. This video is sort of a warm-up for the series...
Dear friends, I've recently uploaded a new statistical mechanics video. This is also lecture 2 of my new series on statistical mechanics. Check it out : https://youtu.be/29k3b_axIsM
The highlight of this video, is deriving the 2nd law of thermodynamics, using the general principles of quantum mechanics. This proof is much more general then the one presented in the previous video.
I plan to move far enough to cover field theory from the statistical mechanics perspective, then hopefully make connections with quantum field theory in particle physics. This means going through topics like phase transitions and critical phenomena, as well as mean field theory and the renormalisation group; basically all the crown jewels of statistical physics. Along the way I'll also introduce quantum mechanics, sufficient enough for us to proceed. Also, as much as I can, I'll try to derive all the well known results of thermodynamics from the statistical mechanics perspective, so that we could get a unified picture of thermal physics.
Ultimately, it should be possible to explain everything with quantum mechanics. I plan to show this...
Good day friends, recently I've re-recorded and made some improvements to my first video, which is on statistical mechanics. You can watch it here : https://youtu.be/2BvVul-RIKo Tell me what you think about it in the comments. I am also working on a follow-up to this video, building on the concepts we've introduced...
Working on the next QM video... This one's about the addition of angular momenta; the highlight - derivation of the Clebsch-Gordan coefficients. Every textbooks I've ever read, became filled with pages of messy equations at this part. This makes it difficult to stick to your mind, even after you understood the reasoning. I am going for a different approach in this video(Hope I succeed 🤞)
Watch this video first to prepare(Lecture 20: how to construct rep.of rotations from its algebra) https://youtu.be/RodjEx_lvFk
Writing up the notes for Chapter 4 on spin, from Weinberg's book on quantum mechanics. The video(Lecture 19) will be out soon; look for it in the playlist youtube.com/playlist?list=PLy...
Physics Daemon
The latest video in the course on general relativity has been released... this is arguably the most important lecture in the series; since it is on the precise formulation of the principle of equivalence, with which together with special relativity, one could derive the whole of Einstein's general relativity : https://youtu.be/_riGTkRKm4c
2 days ago | [YT] | 20
View 1 reply
Physics Daemon
Dear friends, I've just launched a new course on general relativity : https://youtu.be/ec2Re9njvBc
Much of the notes have been written, and I am now converting them into videos. The main reference is Weinberg's famous textbook on general relativity; but it wouldn't be needed to follow this course. General relativity is notorious for its complicated calculations involving tensors, which can run over many pages; but I think I've found a way to do this in a simple and intuitive way. Check out this course to see if I've succeed...
7 months ago | [YT] | 11
View 1 reply
Physics Daemon
Dear friends, I've just uploaded a new video on the Weinberg's series on Quantum Mechanics. This one's about the parity symmetry and similar inversions. Weinberg has done some work on this subject very earlier on in his career; so his book contains a bit more insight about this matter than other textbooks. Sorry it took so long, because this chapter is simply packed with insights and examples; which if not elaborated, would make it difficult reading... I've tried my best to convey much of the subtle points... Watch it here : https://youtu.be/VCNQ84wldUg
9 months ago | [YT] | 13
View 0 replies
Physics Daemon
Dear friends, I've just uploaded a new video on a simple proof of the Jacobian for N variables(for changing variables in an integral). It is a very general derivation that does not depend on geometric pictures. This is something not commonly found online or in books, hope you'll find it interesting :
https://youtu.be/gNPTugMOnug
Also, I am preparing a new series on general relativity, based on Weinberg's famous textbook on the subject. This video is sort of a warm-up for the series...
11 months ago | [YT] | 11
View 5 replies
Physics Daemon
Dear friends, I've recently uploaded a new statistical mechanics video. This is also lecture 2 of my new series on statistical mechanics. Check it out : https://youtu.be/29k3b_axIsM
The highlight of this video, is deriving the 2nd law of thermodynamics, using the general principles of quantum mechanics. This proof is much more general then the one presented in the previous video.
I plan to move far enough to cover field theory from the statistical mechanics perspective, then hopefully make connections with quantum field theory in particle physics. This means going through topics like phase transitions and critical phenomena, as well as mean field theory and the renormalisation group; basically all the crown jewels of statistical physics. Along the way I'll also introduce quantum mechanics, sufficient enough for us to proceed. Also, as much as I can, I'll try to derive all the well known results of thermodynamics from the statistical mechanics perspective, so that we could get a unified picture of thermal physics.
Ultimately, it should be possible to explain everything with quantum mechanics. I plan to show this...
1 year ago | [YT] | 21
View 0 replies
Physics Daemon
Good day friends, recently I've re-recorded and made some improvements to my first video, which is on statistical mechanics. You can watch it here : https://youtu.be/2BvVul-RIKo Tell me what you think about it in the comments. I am also working on a follow-up to this video, building on the concepts we've introduced...
2 years ago | [YT] | 20
View 4 replies
Physics Daemon
Dear friends, I'm trying to come up with new topics for my videos : Which of these subjects would you prefer to see more of?
2 years ago | [YT] | 5
View 1 reply
Physics Daemon
Working on the next QM video... This one's about the addition of angular momenta; the highlight - derivation of the Clebsch-Gordan coefficients. Every textbooks I've ever read, became filled with pages of messy equations at this part. This makes it difficult to stick to your mind, even after you understood the reasoning. I am going for a different approach in this video(Hope I succeed 🤞)
Watch this video first to prepare(Lecture 20: how to construct rep.of rotations from its algebra) https://youtu.be/RodjEx_lvFk
Have a good year:)
2 years ago | [YT] | 17
View 2 replies
Physics Daemon
Writing up the notes for Chapter 4 on spin, from Weinberg's book on quantum mechanics. The video(Lecture 19) will be out soon; look for it in the playlist youtube.com/playlist?list=PLy...
2 years ago | [YT] | 12
View 2 replies