Article History

Received: 21 July 2020

Accepted: 8 September 2020

First Online: 14 October 2020

Change Date: 30 August 2021

Change Type: Update

Change Details: Editor's Note: The editors of Nature have been alerted to undeclared access restrictions relating to the data behind this paper. We are working with the authors to correct the data availability statement.

Change Date: 31 January 2022

Change Type: Update

Change Details: Editor’s Note: The authors have made available raw data pertaining to the magnetic susceptibility measurements in the paper. These can be accessed at

Change Details: https://arxiv.org/abs/2111.15017

Change Details: .

Change Date: 15 February 2022

Change Type: Clarification

Change Details: Editor’s Note: The editors of Nature have been alerted to concerns regarding the manner in which the data in this paper have been processed and interpreted. Nature is working with the authors to investigate these concerns and establish what (if any) impact they will have on the paper’s results and conclusions. In the meantime, readers are advised to use caution when using results reported therein.

Change Date: 20 November 2020

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1038/s41586-020-2955-8

Change Date: 26 September 2022

Change Type: Correction

Change Details: This article has been retracted. Please see the Retraction Notice for more detail:

Change Details: https://doi.org/10.1038/s41586-022-05294-9

Competing interests

: The authors declare no competing interests.