424 citations · 2.5k across the 65 of their papers we have counts for
Showing 1997 · astro-phShow all
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astro-ph1997★ 42 cited
Comment on the Appropriate Null Hypothesis for Cosmological Birefringence
Daniel J. Eisenstein, Emory F. Bunn
A recent paper (Nodland and Ralston, PRL 78, 3043, astro-ph/9704196) claims to have detected evidence for birefringence in the propagation of radio waves across cosmological distan…
astro-ph1997★ 47 cited
Flat Spots: topological signatures of an open universe in COBE sky maps
Janna J. Levin, John D. Barrow, Emory F. Bunn +1
We investigate the behaviour of light rays in an open universe with a partly periodic horn topology. The geodesics can be solved exactly and the periodic topology creates character…