Nonlinear clustering of dark matter

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Non-linear clustering of dark matter

• Yipeng Jing (???)
• Shanghai Astronomical Observatory(?????)

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Stable clustering test for LCDM
What for Om1?
Jing,y.p.
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Halo model vs halo fitting model
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Conclusion and discussion

• 10---15 percent accuracy
• How to improve? Challenges for achieving one
  (sub)-percent level accuracy!!!
• Control systematics of N-body simulations, e.g.
  initial condition resolution
• Baryonic effect
• New ideas for modeling