# String Theory and Holographic Duality

- Institution: Massachusetts Institute of Technology
- Department: Physics
- Teacher: Prof. Hong Liu
- Term: Fall 2014
- Level: Graduate
- Language: English
- Subjects: Physics
- Source: [MIT OpenCourseWare](https://ocw.mit.edu/courses/8-821-string-theory-and-holographic-duality-fall-2014/)
- Licence: [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/) (Non-commercial use only.)
- Syllabus: [at the source](https://ocw.mit.edu/courses/8-821-string-theory-and-holographic-duality-fall-2014/pages/syllabus/)
- Readings: [at the source](https://ocw.mit.edu/courses/8-821-string-theory-and-holographic-duality-fall-2014/pages/readings/)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

This string theory course focuses on holographic duality (also known as gauge / gravity duality or AdS / CFT) as a novel method of approaching and connecting a range of diverse subjects, including quantum gravity / black holes, QCD at extreme conditions, exotic condensed matter systems, and quantum information.

## Lectures

1. [Lecture 1: Emergence of Gravity](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/942252db8b6d), 1 h 32 min (Video)
2. [Lecture 2: Classical Black Hole Geometry](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/998f7f58808b), 1 h 19 min (Video)
3. [Lecture 3: Causal Structure of a Black Hole and Black Hole Temperature](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/dfb87ae42fb0), 1 h 23 min (Video)
4. [Lecture 4: Physical Interpretation of Black Hole Temperature](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/1e2a80c217db), 1 h 29 min (Video)
5. [Lecture 5: Black Hole Thermodynamics](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/0339aed49218), 1 h 20 min (Video)
6. [Lecture 6: Holographic Principle](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/b667c743f29b), 1 h 27 min (Video)
7. [Lecture 7: Structure of Large-N Expansion](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/e922a64abbe4), 1 h 24 min (Video)
8. [Lecture 8: Large-N Expansion as a String Theory, Part I](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/d983fdadc5ed), 1 h 30 min (Video)
9. [Lecture 9: Large-N expansion as a String Theory, Part II](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/4057fc3136c2), 1 h 54 min (Video)
10. [Lecture 10: Basics of String Theory and Light-cone Gauge](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/58b6e13dacc2), 1 h 43 min (Video)
11. [Lecture 11: String Theory in the Light-Cone Gauge](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/e385fcaa72b4), 1 h 23 min (Video)
12. [Lecture 12: String Spectrum and Graviton](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/50933a1f14c7), 1 h 45 min (Video)
13. [Lecture 13: Physics of D-branes, Part I](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/00eefa54a83c), 1 h 24 min (Video)
14. [Lecture 14: Physics of D-branes, Part II](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/ed355068d94b), 1 h 53 min (Video)
15. [Lecture 15: Physics of D-branes, Part III](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/1340d86a0c0a), 1 h 25 min (Video)
16. [Lecture 16: Geometry of D-branes and AdS / CFT Conjecture](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/2646599a2bf2), 1 h 50 min (Video)
17. [Lecture 17: More on AdS / CFT Duality](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/c323f13ef764), 1 h 49 min (Video)
18. [Lecture 18: General Aspects of the Duality](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/3c3b8ceada11), 1 h 25 min (Video)
19. [Lecture 19: Mass-dimension Relation](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/034344946503), 1 h 53 min (Video)
20. [Lecture 20: Euclidean Correlation Functions: Two-point Functions](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/d5a81f1b5ffa), 1 h 23 min (Video)
21. [Lecture 21: Euclidean Correlation Functions: Higher-point Functions](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/139393159eba), 1 h 21 min (Video)
22. [Lecture 22: Computation of the Wilson Loop](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/e9b9af68cced), 1 h 51 min (Video)
23. [Lecture 23: Duality at a Finite Temperature and Finite Chemical Potential](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/346c231ef32e), 1 h 26 min (Video)
24. [Lecture 24: Holographic Entanglement Entropy](https://invisiblenetwork.ai/learn/mit/8-821-string-theory-and-holographic-duality-fall-2014/3a8fd7b6a1f8), 1 h 57 min (Video)