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astro-ph2007★ 17 cited
Gravitational instability on the brane: the role of boundary conditions
Yuri Shtanov, Alexander Viznyuk, Varun Sahni
An outstanding issue in braneworld theory concerns the setting up of proper boundary conditions for the brane-bulk system. Boundary conditions (BC's) employing regulatory branes or…
astro-ph2005★ 33 cited
Cosmic Mimicry: Is LCDM a Braneworld in Disguise ?
Varun Sahni, Yuri Shtanov, Alexander Viznyuk
For a broad range of parameter values, braneworld models display a remarkable property which we call cosmic mimicry. Cosmic mimicry is characterized by the fact that, at low redshi…