3 papers
astro-ph.SR2023
Long-term evolution in ionization of ejecta illuminated by Eta Carinae
Augusto Damineli, Noel D. Richardson, Felipe Navarete +6
Changes in the flux and spectrum of Eta Carinae since 1900 have been attributed to the evolution of the central binary by some. Others suggest evolution in the occulting ejecta. Th…
astro-ph2006
A note on cosmological parameters and the topology of the universe
M. J. Reboucas, J. S. Alcaniz
Given the wealth of increasingly accurate cosmological observations, especially the recent results from the WMAP, and the development of methods and strategies in the search for co…
quant-ph2003
Casimir-Polder interaction in the presence of parallel walls
F. C. Santos, J. J. Passos Sobrinho, A. C. Tort
Making use of the quantum correlators associated with the Maxwell field vacuum distorted by the presence of plane parallel material surfaces we derive the Casimir-Polder interactio…