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Neutrino emissions in color superconductors and pion condensed quark matter Qun Wang ( 王群 ) Univ of Sci & Tech of China with X.G.Huang, A.Schmitt, I.Shovkovy,

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Presentation on theme: "Neutrino emissions in color superconductors and pion condensed quark matter Qun Wang ( 王群 ) Univ of Sci & Tech of China with X.G.Huang, A.Schmitt, I.Shovkovy,"— Presentation transcript:

1 Neutrino emissions in color superconductors and pion condensed quark matter Qun Wang ( 王群 ) Univ of Sci & Tech of China with X.G.Huang, A.Schmitt, I.Shovkovy, J.Wu, P.F.Zhuang CSQCDII, KIAA-Peking Univ, May 20-24, 2009

2 Outlines Neutrino emissivity in quark matter Introduction to CSC and pion condensed quark matter Neutrino emissivities in direct Urca processes in CSC and pion condensed quark matter Conclusions

3 Neutrino emission in SN explosions Fischer‘s Ouyed’s talks......

4 Compact Stars F. Weber, 2005

5 SN+GRB : NS = Sex-Violence : Beauty-Peace Chinese Cuisine: Flavor Color A new "equation of state" 中国美食元素 : 色香味 Playground for QCD [and all aspects of physics]

6 Cooling of compact stars

7 Major neutrino cooling processes in normal quark matter (1)

8 Major neutrino cooling processes in normal quark matter (2)

9 What's inside Neutrino Emissivity and How to derive it

10 Kadanoff-Baym equation closed time path: solution to non-equilibrium problems Kadanoff-Baym equation in close-time-path formalism:

11 Neutrino emissivity number distrbution for electrons leptonic tensor hadronic tensor G_F: Fermi coupling constant

12 Hadronic tensor W-boson encode all information about hadronic sector NG,color,flavor,spin

13 Diquark condensate Bailin, Love, 1884 Alford, Rajagopal, Wilczek, 1998 Rapp,Schaefer,shurya k, Velkovsky, 1998 Son, 1999 Rischke, Pisarski, 2000 Brown, Liu, Ren, 2000...... Schaefer‘s, Hou’s Incera’s talks

14 Diquark condensate Schaefer, 2000 Schmitt, Wang, Rischke, 2002, 2003 Alford,Bowers,Cheyne,Cowan,2003 Buballa,Hosek,Oertel, 2003 Aguilera,Blaschke,Buballa,Yudichev, 2005 Marhauser,Nickel,Buballa,Wambach, 2007 Spin-1 pairing

15 Diquark condensate: spin-1 pairing Schmitt, 2004

16 Diquark condensate: NG basis

17 Neutrino emission in spin-1 CSC Why Spin-1 CSC

18 QCD at finite isospin density: pion condensation Beta equilibrium Son, Stephanov, 2001 Kogut, Toublan, 2001 He, Jin, Zhuang, 2005 Splittorff's, Zhuang's talks

19 Hadronic tensor: pion condensate

20 Phase space Baym,Chin,1976 Iwamoto, 1984 Schafer,Schwenzer, 2003 QW,Wang,Wu, 2006

21 Neutrino emissivity in spin-1 CSC Low-T limit 1. Schmitt, Shovkovy, QW, PRD, 2006 2. QW,Wang, Wu, PRD, 2006

22 Neutrino emissivity in spin-1 CSC

23 Anisotropy in neutrino emission in A-phase Schmitt, Shovkovy, QW, PRL, 2005

24 Low-T asymptotic form Specific heat in spin-1 CSC

25

26 Cooling of spin-1 CSC

27 Neutrino emissivity in pion-condensed quark matter Huang, QW, Zhuang, PRD, 2007

28 Neutrino emissivity in pion-condensed quark matter Huang, QW, Zhuang, PRD, 2007

29 Cooling of pion-condensed quark matter Huang, QW, Zhuang, PRD, 2007

30 Cooling of pion condensed LOFF state Huang, QW, Zhuang, IJMPE, 2008

31 Neutrino emissivity of pion condensed LOFF state Huang, QW, Zhuang, IJMPE, 2008

32 Summary A systematic way of deriving neutrino emissivity in CSC and pion condensed quark matter For the A-phase of spin-1 pairing, the neutrino emission is anisotropic, an instance for parity violation in macroscopic object


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