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We apply the nonstandard loop quantum cosmology method to quantize a flat FRW cosmological model with a free scalar field and the cosmological constant $\Lambda>0$. Modification of the Hamiltonian in ...
We explore in detail the prospects of obtaining a four-dimensional de Sitter universe in classical supergravity models with warped and time-independent extra dimensions, presenting explicit cosmologic...
Recessional velocities and Hubble's law in Schwarzschild-de Sitter space
Fermi coordinates Schwarzschild-de Sitter space Fermi velocity astrometric velocity spectroscopic velocity kinematic velocity superluminal velocity galaxy supercluste Hubble’s law far future Local Group expansion of space
2010/3/17
We consider a spacetime with empty Schwarzschild-de Sitter exterior and Schwarzschild-de Sitter interior metric for a spherical fluid with constant density. The fluid interior may be taken to represen...