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On the complementarity of pulsar timing and space laser interferometry for supermassive black hole binaries individual detection
complementarity pulsar timing space laser interferometry supermassive black hole
2011/10/14
For the observation of an individual supermassive black hole binary (SMBHB), the complementarity between pulsar timing (PT) and space laser interferometry (SLI) has been previously suggested. Herein s...
CMB radiation in an inhomogeneous spherical space
CMB radiation in an inhomogeneous spherical space
2011/10/20
We analyse the CMB radiation in spherical 3-spaces with non-trivial topology. The focus is put on an inhomogeneous space which possesses observer dependent CMB properties. The suppression of the CMB a...
Quantum fluctuations in planar domain-wall space-times: A possible origin of primordial preferred direction
Quantum fluctuations planar domain-wall space-times possible origin primordial preferred direction
2011/10/18
We study the gravitational effects of a planar domain wall on quantum fluctuations of a massless scalar field during inflation. By obtaining an exact solution of the scalar field equation in de Sitter...
Panspermia, Past and Present: Astrophysical and Biophysical Conditions for the Dissemination of Life in Space
Radiation pressure Cosmic rays Micro-organisms Viruses Information
2010/11/9
Astronomically, there are viable mechanisms for distributing organic material throughout the Milky Way. Biologically, the destructive effects of ultraviolet light and cosmic rays means that the majori...