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math-ph2016★ 21 cited
An operational measure for squeezing
Martin Idel, Daniel Lercher, Michael M. Wolf
We propose and analyse a mathematical measure for the amount of squeezing contained in a continuous variable quantum state. We show that the proposed measure operationally quantifi…
math-ph2014★ 54 cited
Sinkhorn normal form for unitary matrices
Martin Idel, Michael M. Wolf
Sinkhorn proved that every entry-wise positive matrix can be made doubly stochastic by multiplying with two diagonal matrices. In this note we prove a recently conjectured analogue…