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astro-ph2001
Scale Dependence of Dark Energy Antigravity
L. Perivolaropoulos
We investigate the effects of negative pressure induced by dark energy (cosmological constant or quintessence) on the dynamics at various astrophysical scales. Negative pressure in…
hep-ph2001★ 21 cited
Q Rings
M. Axenides, E. Floratos, S. Komineas +1
We show the existence of new stable ring-like localized scalar field configurations whose stability is due to a combination of topological and nontopological charges. In that sense…