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Implications of second harmonic generation for hidden order in Sr₂CuO₂Cl₂

de la Torre, A. and Di Matteo, S. and Hsieh, D. and Norman, M. R. (2021) Implications of second harmonic generation for hidden order in Sr₂CuO₂Cl₂. . (Unpublished) https://resolver.caltech.edu/CaltechAUTHORS:20210406-142159297

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Abstract

Sr₂CuO₂Cl₂ (SCOC) is a model undoped cuprate with I4/mmm crystallographic symmetry, and a simple magnetic space group C_(Amca) with associated magnetic point group mmm1′. However, recent second harmonic spectroscopy in the antiferromagnetic phase has challenged this picture, suggesting instead a magnetic point group 4/mm′m′ that co-exists with the antiferromagnetism and breaks the two orthogonal mirror planes containing the tetragonal c-axis. Here, we analyze the symmetry of SCOC in light of the second harmonic results, and discuss possible ground states that are consistent with the data.


Item Type:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/2103.07100arXivDiscussion Paper
ORCID:
AuthorORCID
Hsieh, D.0000-0002-0812-955X
Norman, M. R.0000-0002-9459-078X
Alternate Title:Implications of second harmonic generation for hidden order in Sr2CuO2Cl2
Additional Information:Work at Caltech was supported by an ARO PECASE award W911NF-17-1-0204. Work at Argonne was supported by the Materials Sciences and Engineering Division, Basic Energy Sciences, Office of Science, US Department of Energy.
Funders:
Funding AgencyGrant Number
Army Research Office (ARO)W911NF-17-1-0204
Department of Energy (DOE)UNSPECIFIED
Record Number:CaltechAUTHORS:20210406-142159297
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210406-142159297
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:108636
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:07 Apr 2021 23:31
Last Modified:07 Apr 2021 23:31

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