APPLIED PHYSICAL SCIENCES Correction for “Time-reversal symmetry breaking in the Fe-chalcogenide superconductors,” by Nader Zaki, Genda Gu, Alexei Tsvelik, Congjun Wu, and Peter D. Johnson, which was first published January 12, 2021; 10.1073/pnas.2007241118 (Proc. Natl. Acad. Sci. U.S.A. 118, e2007241118).
The authors note that the Acknowledgements section should have appeared as follows.
Acknowledgments
The authors acknowledge useful discussions with Igor Zalyznyak, John Tranquada, Dung-Hai Lee, Mike Norman, Lun-Hui Hu, Manfred Sigrist, Weiguo Yin, and Dirk Morr. Further, the authors acknowledge excellent technical support from Fran Loeb. The work carried out at Brookhaven was supported in part by the US Department of Energy (DOE) Office of Science, Office of Basic Energy Sciences, Materials Science and Engineering Division under Contract DE-SC0012704. C.W. at University of California, San Diego was supported by Air Force Office of Scientific Research (AFOSR) FA9550-14-1-0168.
