48 citations · 157 across the 5 of their papers we have counts for
Showing 2003Show all
2 papers · 1 filter
quant-ph2003★ 38 cited
Covariant fuzzy observables and coarse-graining
T. Heinonen, P. Lahti, K. Ylinen
A fuzzy observable is regarded as a smearing of a sharp observable, and the structure of covariant fuzzy observables is studied. It is shown that the covariant coarse-grainings of…
quant-ph2003★ 48 cited
Noise and disturbance in quantum mechanics
P. Busch, T. Heinonen, P. Lahti
The operational meaning of some measures of noise and disturbance in measurements is analyzed and their limitations are pointed out. The cases of minimal noise and least disturbanc…