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quant-ph2018
Many-body effects in quantum metrology
Jan Czajkowski, Krzysztof Pawłowski, Rafał Demkowicz-Dobrzański
We study the impact of many-body effects on the fundamental precision limits in quantum metrology. On the one hand such effects may lead to non-linear Hamiltonians, studied in the…
math.PR2018
One-point boundaries of ends of clusters in percolation in
Jan Czajkowski
Consider Bernoulli bond percolation on a graph nicely embedded in hyperbolic space in such a way that it admits a transitive action by isometries of . Le…