The w < -1 side of Dark Energy - Univers Invisible

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Stability analysisCreminelli, Luty, Nicolis and Senatore ‘06Jeans instability: taking into account the mixing with gravity gives rise to a sort <strong>of</strong> Jeanslike instabilitySolving for h:
Phenomenology with <strong>Dark</strong> MatterQuintessence is coupled to DM through the metric:Coupling to the metricTwo interesting limits:1) k-essence with c s~ 0 For cosmo scales: ω=c sk(1+w Q) Ω Qc S2(2)2) Ghost condensate limit For cosmo scales: ω ∼ k 2(1)
Page 1 and 2: The w < -1 side of Dark EnergyFilip
Page 3 and 4: Is there a life below -1?• Energy
Page 5 and 6: Phantom from canonical field?Can we
Page 7 and 8: Beyond a canonical fieldK-essence:L
Page 9 and 10: Quintessential plane(1+w Q) Ω Qc S
Page 11 and 12: w < -1 and gradient instabilitiesWi
Page 13 and 14: Gradient instability:2!Stability an
Page 15 and 16: Back to the plane with higher deriv
Page 17 and 18: For example...No other energycompon
Page 19: Conclusions• General framework to
Page 22 and 23: Scaling in EFTArkani-Hamed et al
Page 24 and 25: The action for perturbations... int
Page 28 and 29: The phantom divide- What happens to

The w < -1 side of Dark Energy - Univers Invisible

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