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- Centre National de la Recherche ScientifiqueFR31 papers
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7 papers · 1 filter
Black hole spectroscopy via adiabatic invariance
Bibhas Ranjan Majhi, Elias C. Vagenas
During the last years, one had to combine the proposal about how quasinormal frequencies are related with black holes and the proposal about the adiabatic invariance of black holes…
Enhanced Management of Personal Astronomical Data with FITSManager
Chenzhou Cui, Dongwei Fan, Yongheng Zhao +5
Although the roles of data centers and computing centers are becoming more and more important, and on-line research is becoming the mainstream for astronomy, individual research ba…
Beyond the Standard cosmological model with CMB
Tarun Souradeep
Measurements of CMB anisotropy and, more recently, polarization have played a very important role in cosmology. Besides precise determination of various parameters of the `standard…
Weighing neutrinos using high redshift galaxy luminosity functions
Charles Jose, Saumyadip Samui, Kandaswamy Subramanian +1
Laboratory experiments measuring neutrino oscillations, indicate small mass differences between different mass eigenstates of neutrinos. The absolute mass scale is however not dete…
Lessons from Classical Gravity about the Quantum Structure of Spacetime
T. Padmanabhan
I present the theoretical evidence which suggests that gravity is an emergent phenomenon like gas dynamics or elasticity with the gravitational field equations having the same stat…
The Statefinder hierarchy: An extended null diagnostic for concordance cosmology
Maryam Arabsalmani, Varun Sahni
We show how higher derivatives of the expansion factor can be developed into a null diagnostic for concordance cosmology (LCDM). It is well known that the Statefinder -- the third…