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 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.
- Authors:
-
- Brown Univ., Providence, RI (United States)
- National High Magnetic Field Lab., Tallahassee, FL (United States)
- Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1347556
- Grant/Contract Number:
- AC02-76SF00515
- Resource Type:
- 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. https://doi.org/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. https://doi.org/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},
number = ,
volume = 8,
place = {United States},
year = {Thu Feb 09 00:00:00 EST 2017},
month = {Thu Feb 09 00:00:00 EST 2017}
}
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