Is dark energy the only solution to the apparent acceleration of the present universe?
Hideo Iguchi, Takashi Nakamura, Ken-ichi Nakao
Abstract
Even for the observed luminosity distance DL(z), which suggests the existence of dark energy, we show that an inhomogeneous dust universe solution without dark energy is possible in general. Future observation of DL(z) for 1 z < 1.7 may confirm or refute this possibility.
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