CHARM
发表于 2025-4-1 05:10:10
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Vital-Signs
发表于 2025-4-1 08:44:48
On the Effective Evolution Equation of the Scalar Field in the New Inflationary Universe,ive calculation scheme proposed recently by M. Morikawa and M. Sasaki. The expectation value ⍕ of the scalar field is allowed to be dependent on time. We show that for an adiabatic evolving meanfield ⍕ (t) there arises the derivative of the effective potential as well as a local damping term proport
cutlery
发表于 2025-4-1 13:44:49
Constraints on the Geometry of the 5th dimension in cosmological solutions of Five dimensional Relaand general dependence of the metric on time t, as well as on the 5. coordinate ⍦..Such solutions are shown to exibit always a killing vector field in the t,⍦ submanifold as a consequence of the field equations. This justifies the usual assumption that the geometry of the 5th coordinate is a circle.