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quant-ph2024
Useful variants and perturbations of completely entangled subspaces and spans of unextendible product bases
Ritabrata Sengupta, Ajit Iqbal Singh
Finite dimensional entanglement for pure states has been used extensively in quantum information theory. Depending on the tensor product structure, even set of separable states can…
quant-ph2024★ 2 cited
Generating random Gaussian states
Leevi Leppäjärvi, Ion Nechita, Ritabrata Sengupta
We develop a method for the random sampling of (multimode) Gaussian states in terms of their covariance matrix, which we refer to as a random quantum covariance matrix (RQCM). We a…