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Title: Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions

Abstract

Study of the combined effects of strong electronic correlations with spin-orbit coupling (SOC) represents a central issue in quantum materials research. Predicting emergent properties represents a huge theoretical problem since the presence of SOC implies that the spin is not a good quantum number. Existing theories propose the emergence of a multitude of exotic quantum phases, distinguishable by either local point symmetry breaking or local spin expectation values, even in materials with simple cubic crystal structure such as Ba 2NaOsO 6. Experimental tests of these theories by local probes are highly sought for. Our local measurements designed to concurrently probe spin and orbital/lattice degrees of freedom of Ba 2NaOsO 6 provide such tests. As a result, we show that a canted ferromagnetic phase which is preceded by local point symmetry breaking is stabilized at low temperatures, as predicted by quantum theories involving multipolar spin interactions.

Authors:
 [1];  [1];  [1];  [2];  [2];  [3];  [3];  [1]
  1. Brown Univ., Providence, RI (United States)
  2. National High Magnetic Field Lab., Tallahassee, FL (United States)
  3. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1347556
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 8; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; electronic properties and materials; magnetic properties and materials

Citation Formats

Lu, L., Song, M., Liu, W., Reyes, A. P., Kuhns, P., Lee, H. O., Fisher, I. R., and Mitrovic, V. F. Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions. United States: N. p., 2017. Web. doi:10.1038/ncomms14407.
Lu, L., Song, M., Liu, W., Reyes, A. P., Kuhns, P., Lee, H. O., Fisher, I. R., & Mitrovic, V. F. Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions. United States. doi:10.1038/ncomms14407.
Lu, L., Song, M., Liu, W., Reyes, A. P., Kuhns, P., Lee, H. O., Fisher, I. R., and Mitrovic, V. F. Thu . "Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions". United States. doi:10.1038/ncomms14407. https://www.osti.gov/servlets/purl/1347556.
@article{osti_1347556,
title = {Magnetism and local symmetry breaking in a Mott insulator with strong spin orbit interactions},
author = {Lu, L. and Song, M. and Liu, W. and Reyes, A. P. and Kuhns, P. and Lee, H. O. and Fisher, I. R. and Mitrovic, V. F.},
abstractNote = {Study of the combined effects of strong electronic correlations with spin-orbit coupling (SOC) represents a central issue in quantum materials research. Predicting emergent properties represents a huge theoretical problem since the presence of SOC implies that the spin is not a good quantum number. Existing theories propose the emergence of a multitude of exotic quantum phases, distinguishable by either local point symmetry breaking or local spin expectation values, even in materials with simple cubic crystal structure such as Ba2NaOsO6. Experimental tests of these theories by local probes are highly sought for. Our local measurements designed to concurrently probe spin and orbital/lattice degrees of freedom of Ba2NaOsO6 provide such tests. As a result, we show that a canted ferromagnetic phase which is preceded by local point symmetry breaking is stabilized at low temperatures, as predicted by quantum theories involving multipolar spin interactions.},
doi = {10.1038/ncomms14407},
journal = {Nature Communications},
issn = {2041-1723},
number = ,
volume = 8,
place = {United States},
year = {2017},
month = {2}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 4 works
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