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. Physical Review B, 104 (3). Art. No. 035138. ISSN 2469-9950. doi:10.1103/PhysRevB.104.035138. 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 coexists 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:

Article

Related URLs:

URL	URL Type	Description
https://doi.org/10.1103/PhysRevB.104.035138	DOI	Article
https://arxiv.org/abs/2103.07100	arXiv	Discussion Paper

ORCID:

Author	ORCID
de la Torre, A.	0000-0002-6751-8205
Di Matteo, S.	0000-0001-5746-0057
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:

© 2021 American Physical Society. Received 12 March 2021; revised 4 June 2021; accepted 6 July 2021; published 19 July 2021. Work at Caltech was supported by an Army Research Office (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 Agency	Grant Number
Army Research Office (ARO)	W911NF-17-1-0204
Department of Energy (DOE)	UNSPECIFIED

Issue or Number:

DOI:

10.1103/PhysRevB.104.035138

Record Number:

CaltechAUTHORS:20210406-142159297

Persistent URL:

https://resolver.caltech.edu/CaltechAUTHORS:20210406-142159297

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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:

02 Aug 2021 17:18

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