Eur. Phys. J. Plus (2018) 133: 492
https://doi.org/10.1140/epjp/i2018-12424-0

Erratum

Erratum to: Ancilla-induced amplification of quantum Fisher information

¹ Società Italiana di Fisica, Bologna, Italy
² Springer-Verlag GmbH Germany, part of Springer Nature, Heidelberg, Germany

Received: 13 November 2018
Accepted: 13 November 2018
Published online: 30 November 2018

Abstract

After publication the authors realized that the first sentence after eq. (13) had not been corrected. Here we present the correction.