Correction to: How to store time in a quantum memory (Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences(2018) 474 (20170773) DOI: 10.1098/rspa.2017.0773)

Abstract

The authors of this manuscript have identified an error in the Funding section of their article. 'This work is supported by the National Natural Science Foundation of China through grant no. 11675136, by the Hong Kong Research Grant Council through grant no. 17326616, by the Croucher Foundation, by the Canadian Institute for Advanced Research (CIFAR) and by the HKU Seed Funding for Basic Research'. should read as: 'This work is supported by the National Natural Science Foundation of China through grant no. 11675136, by the Hong Kong Research Grant Council through grant no. 17300317, by the Croucher Foundation, by the Canadian Institute for Advanced Research (CIFAR) and by the HKU Seed Funding for Basic Research'.