37 citations
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astro-ph.CO2010★ 2 cited
Beyond Spherical Top Hat Collapse
T. S. Pereira, R. Rosenfeld, A. Sanoja
We study the evolution of inhomogeneous spherical perturbations in the universe in a way that generalizes the spherical top hat collapse in a straightforward manner. For that purpo…
quant-ph2010★ 16 cited
Local Unitary Invariants for N-qubit Pure State
S. Shelly Sharma, N. K. Sharma
We obtain local unitary invariant polynomials for N qubit quantum state from first principles. A basic unit of entanglement, referred to as negativity font, is defined as a two by…