# Special/Select Topics in the Theory of Atomic Collisions and Spectroscopy

- Institution: IIT Madras
- Department: Physics
- Teacher: Prof. P. C. Deshmukh
- Level: Undergraduate
- Language: English
- Subjects: Physics
- Source: [NPTEL](https://nptel.ac.in/courses/115106085)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/115106085)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Introduction to the STiTACS course](https://invisiblenetwork.ai/learn/nptel/115106085/6a138a6e0021) (Video)
2. [Quantum Theory of collisions](https://invisiblenetwork.ai/learn/nptel/115106085/b65df8459e60) (Video)
3. [Quantum Theory of collisions: optical Theorem](https://invisiblenetwork.ai/learn/nptel/115106085/2ee7948559e6) (Video)
4. [Quantum Theory of collisions: Optical Theorem.](https://invisiblenetwork.ai/learn/nptel/115106085/c7945f77fd86) (Video)
5. [Quantum Theory of collisions: Differential scattering cross section](https://invisiblenetwork.ai/learn/nptel/115106085/1a364984b259) (Video)
6. [Quantum Theory of collisions: Differential scattering cross section, Partial wave analysis](https://invisiblenetwork.ai/learn/nptel/115106085/d4b804b4db5e) (Video)
7. [Quantum Theory of collisions: Optical Theorem – Unitarity of the Scattering Operator](https://invisiblenetwork.ai/learn/nptel/115106085/e3e6a3245b8c) (Video)
8. [Quantum Theory of collisions: Reciprocity Theorem, Phase shift analysis](https://invisiblenetwork.ai/learn/nptel/115106085/be7425ff7541) (Video)
9. [Quantum Theory of collisions: More on Phase shift analysis](https://invisiblenetwork.ai/learn/nptel/115106085/c9f6fe0686a5) (Video)
10. [Quantum Theory of collisions: resonant condition in the l th partial wave.](https://invisiblenetwork.ai/learn/nptel/115106085/2e150381d8fb) (Video)
11. [Quantum Theory of collisions: Levinson’s theorem](https://invisiblenetwork.ai/learn/nptel/115106085/be2b62b5b715) (Video)
12. [Quantum Theory of collisions: Levinson’s theorem.](https://invisiblenetwork.ai/learn/nptel/115106085/bfdb87e0b7c4) (Video)
13. [Many body theory, electron correlations](https://invisiblenetwork.ai/learn/nptel/115106085/bc89a621e0a2) (Video)
14. [Second Quantization Creation, Destruction and Number operators](https://invisiblenetwork.ai/learn/nptel/115106085/6013877f7861) (Video)
15. [Many-particle Hamiltonian & Schrodinger Equation in 2nd Quantization](https://invisiblenetwork.ai/learn/nptel/115106085/eaedc6968b1a) (Video)
16. [Many-electron problem in quantum mechanics](https://invisiblenetwork.ai/learn/nptel/115106085/a33eb1f1f64c) (Video)
17. [Hartree-Fock Self-Consistent-Field](https://invisiblenetwork.ai/learn/nptel/115106085/ef26a39ccbdb) (Video)
18. [Exchange, Statistical, Fermi-Dirac correlations](https://invisiblenetwork.ai/learn/nptel/115106085/5e7c312ef631) (Video)
19. [Limitations of the Hartree-Fock Self-Consistent-Field formalism](https://invisiblenetwork.ai/learn/nptel/115106085/2c6236ba493a) (Video)
20. [Many-Body formalism, II Quantization](https://invisiblenetwork.ai/learn/nptel/115106085/0778d49f9307) (Video)
21. [Density fluctuations in an electron gas](https://invisiblenetwork.ai/learn/nptel/115106085/fb91b704e258) (Video)
22. [Bohm-Pines approach to Random Phase Approximation](https://invisiblenetwork.ai/learn/nptel/115106085/86f0268594f8) (Video)
23. [Bohm-Pines approach to Random Phase Approximation.](https://invisiblenetwork.ai/learn/nptel/115106085/8bbc2380c2f2) (Video)
24. [Bohm-Pines approach to Random Phase Approximation..](https://invisiblenetwork.ai/learn/nptel/115106085/51657337dfd4) (Video)
25. [Schrodinger, Heisenberg and Dirac “pictures” of QM](https://invisiblenetwork.ai/learn/nptel/115106085/afb635660f9d) (Video)
26. [Dyson’s chronological operator](https://invisiblenetwork.ai/learn/nptel/115106085/64a83916c7ab) (Video)
27. [Gell-Mann-Low Theorem](https://invisiblenetwork.ai/learn/nptel/115106085/3badf6f1c7e8) (Video)
28. [Reyleigh-Schrodinger perturbation methods and adiabatic switching](https://invisiblenetwork.ai/learn/nptel/115106085/710b76341c5d) (Video)
29. [Feynman Diagrams](https://invisiblenetwork.ai/learn/nptel/115106085/ebdb4677cdbb) (Video)
30. [I Order Feynman Diagrams](https://invisiblenetwork.ai/learn/nptel/115106085/78ffc5d10fc6) (Video)
31. [II and higher order Feynman Diagrams](https://invisiblenetwork.ai/learn/nptel/115106085/2e010362d132) (Video)
32. [Linear response of electron correlations](https://invisiblenetwork.ai/learn/nptel/115106085/55c1c12e85e1) (Video)
33. [Lippman Schwinger equation of potential scattering](https://invisiblenetwork.ai/learn/nptel/115106085/87cbb2d06ff3) (Video)
34. [Born Approximation](https://invisiblenetwork.ai/learn/nptel/115106085/473796d15ece) (Video)
35. [Coulomb scattering](https://invisiblenetwork.ai/learn/nptel/115106085/ec57ac22b3e0) (Video)
36. [Scattering of partial waves](https://invisiblenetwork.ai/learn/nptel/115106085/bb81a69777f9) (Video)
37. [Scattering at high energy](https://invisiblenetwork.ai/learn/nptel/115106085/a839aa5a8464) (Video)
38. [Resonances in Quantum Collisions](https://invisiblenetwork.ai/learn/nptel/115106085/a61625cbcd6a) (Video)
39. [Breit-Wigner Resonances](https://invisiblenetwork.ai/learn/nptel/115106085/ac3fcdbdd658) (Video)
40. [Fano parameterization of Breit-Wigner formula](https://invisiblenetwork.ai/learn/nptel/115106085/e8f386ee17b2) (Video)
41. [Discrete state embedded in the continuum](https://invisiblenetwork.ai/learn/nptel/115106085/23ba74ce6c53) (Video)
42. [Resonance life times](https://invisiblenetwork.ai/learn/nptel/115106085/418b17ef7a3e) (Video)
43. [Wigner-Eisenbud formalism of time-delay in scattering](https://invisiblenetwork.ai/learn/nptel/115106085/f965dae39f35) (Video)
44. [Photoionization and Photoelectron Angular Distributions](https://invisiblenetwork.ai/learn/nptel/115106085/e8e6751f5996) (Video)
45. [Ionization and Excitation of Atoms by Fast Charged Particles](https://invisiblenetwork.ai/learn/nptel/115106085/f216537c0925) (Video)
46. [Photo-absorption by Free and Confined Atoms and Ions: Recent Developments](https://invisiblenetwork.ai/learn/nptel/115106085/1fccd309ee7a) (Video)