Erratum to: Ancilla-induced amplification of quantum Fisher information
Società Italiana di Fisica, Bologna, Italy
2 Springer-Verlag GmbH Germany, part of Springer Nature, Heidelberg, Germany
Accepted: 13 November 2018
Published online: 30 November 2018
After publication the authors realized that the first sentence after eq. (13) had not been corrected. Here we present the correction.
© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature, 2018