Introduces catability metric rooted in nonlinear squeezing for detecting cat-like features in quantum superpositions, shown numerically robust to loss.
This follows from the linearity of expectation values and the convexity of mixed states: any expectation value for a mixed state is a convex combination of those for pure states
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Catability as a metric for evaluating superposed coherent states
Introduces catability metric rooted in nonlinear squeezing for detecting cat-like features in quantum superpositions, shown numerically robust to loss.