Showing quant-phShow all
2 papers · 1 filter
quant-ph2009★ 77 cited
Broadcast copies reveal the quantumness of correlations
M. Piani, M. Christandl, C. E. Mora +1
We study the quantumness of bipartite correlations by proposing a quantity that combines a measure of total correlations -- mutual information -- with the notion of broadcast copie…
quant-ph2008★ 155 cited
A lower bound on the dimension of a quantum system given measured data
Stephanie Wehner, Matthias Christandl, Andrew C. Doherty
We imagine an experiment on an unknown quantum mechanical system in which the system is prepared in various ways and a range of measurements are performed. For each measurement M a…