The w < -1 side of Dark Energy - Univers Invisible
The w < -1 side of Dark Energy - Univers Invisible
The w < -1 side of Dark Energy - Univers Invisible
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<strong>The</strong> action for perturbations... integrating by parts + using background EOMMetric perturbations in synchronous gauge:mass scaleHubble parameter(ρ Q+ p Q)(t) and M 4 (t) are completely unconstrained and related to observables:• Equation <strong>of</strong> state:• Speed <strong>of</strong> sound: