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Phases Diagram in a Refined Holographic QCD Model

Phases Diagram in a Refined Holographic QCD Model. Yi Yang@NCTU. May 7, 2014. XS2014 安徽  黃 山. Content. Phases in QCD Holographic QCD A M odel Summary. RHIC&LHC. Phases in QCD. χ S deconfinment. crossover. T. 1st order. χ SB confinment. CFL/CSC. μ. Critical Point.

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Phases Diagram in a Refined Holographic QCD Model

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  1. Phases Diagram in a Refined Holographic QCD Model Yi Yang@NCTU May 7, 2014 XS2014 安徽黃山

  2. Content • Phases in QCD • Holographic QCD • AModel • Summary

  3. RHIC&LHC Phases in QCD χSdeconfinment crossover T 1st order χSB confinment CFL/CSC μ

  4. Critical Point

  5. Holographic Principle

  6. Maldacena, Witten, Polyakov… • IIB in  SYM on • Holographic duality • Strong/weak duality • Low energy  gravity/gauge AdS/CFT

  7. Holographic QCD • Deformed AdS/QCD duality • Top-down: • Bottom-up: hard wall, soft wall

  8. Karch, Katz… Top-Down: D3-D5/D7 QGP χS χSB quark matter T meson quark matter χSB vacuum nuclear matter μ

  9. Sakai, Sugimoto… Top-Down: D4-D8 χS deconfinement χSB T deconfinement confinement χSB μ

  10. Gubser, Nellore… Bottom-Up: Einstein-Scalar

  11. DeWolfe, Gubser, Rosen… Bottom-Up:Einstein-Maxwell-Dilaton

  12. Danning Li , Song He , Mei Huang, Qi-Shu Yan… Potential Reconstruction

  13. RG Cai, Song He, Danning Li… Potential Reconstruction

  14. Linear Meson Spectrum

  15. Karch, Katz, Son, Stephanov… Soft-Wall Model

  16. Batell, Gherghetta; Paula, Frederico, Beyer… Dynamical Soft-WallModel

  17. Song He, Shang-Yu Wu, Yi Yang, Pei-Hung Yuan… A Refined AdS/QCD Model

  18. Equations of motion

  19. At horizon: • At boundary: • Linear Regge spectrum: Boundary Conditions and Constrains

  20. Analytic Solutions

  21. Free Energy

  22. Phase Diagram

  23. Speed of Sound

  24. Parameter Dependence: Free Energy

  25. Parameter Dependence:Phase Diagram

  26. Fromm, Langelage, Lottini, Philipsen… μ= 0heavy quarks Lattice Calculations

  27. Einstein-Maxwell-dilaton system • Potential reconstruction: analytic solution • Linear Regge spectrum • QCD phase diagram • Mass dependent phase structure Summary

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