Intertwined spin-orbital coupled orders in the iron-based superconductors
Abstract
The underdoped phase diagram of the iron-based superconductors exemplifies the complexity common to many correlated materials. Indeed, multiple ordered states that break different symmetries but display comparable transition temperatures are present. Here we argue that such a complexity can be understood within a simple unifying framework. This framework, built to respect the symmetries of the nonsymmorphic space group of the FeAs/Se layer, consists of primary magnetically ordered states and their vestigial phases that intertwine spin and orbital degrees of freedom. All vestigial phases have Ising-like and zero wave-vector order parameters, described in terms of composite spin order and exotic orbital-order patterns such as spin-orbital loop currents, staggered atomic spin-orbit coupling, and emergent Rashba- and Dresselhaus-type spin-orbit interactions. Moreover, they host unusual phenomena, such as the electronematic effect, by which electric fields act as transverse fields to the nematic order parameter, and the ferro-Néel effect, by which a uniform magnetic field induces Néel order. Here, we discuss the experimental implications of our findings to iron-based superconductors and possible extensions to other correlated compounds with similar space groups.
- Authors:
-
- Univ. of Minnesota, Minneapolis, MN (United States)
- Univ. of Minnesota, Minneapolis, MN (United States); Florida State Univ., Tallahassee, FL (United States)
- Publication Date:
- Research Org.:
- Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1611764
- Alternate Identifier(s):
- OSTI ID: 1546437
- Grant/Contract Number:
- SC0012336
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Physical Review. B
- Additional Journal Information:
- Journal Volume: 100; Journal Issue: 1; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Materials Science; Physics; Antiferromagnetism; Charge density waves; Exotic phases of matter; Magnetic anisotropy; Quantum criticality; Spin density waves; Spin-orbit coupling; Iron-based superconductors; Inversion symmetry
Citation Formats
Christensen, Morten H., Kang, Jian, and Fernandes, Rafael M. Intertwined spin-orbital coupled orders in the iron-based superconductors. United States: N. p., 2019.
Web. doi:10.1103/physrevb.100.014512.
Christensen, Morten H., Kang, Jian, & Fernandes, Rafael M. Intertwined spin-orbital coupled orders in the iron-based superconductors. United States. https://doi.org/10.1103/physrevb.100.014512
Christensen, Morten H., Kang, Jian, and Fernandes, Rafael M. 2019.
"Intertwined spin-orbital coupled orders in the iron-based superconductors". United States. https://doi.org/10.1103/physrevb.100.014512. https://www.osti.gov/servlets/purl/1611764.
@article{osti_1611764,
title = {Intertwined spin-orbital coupled orders in the iron-based superconductors},
author = {Christensen, Morten H. and Kang, Jian and Fernandes, Rafael M.},
abstractNote = {The underdoped phase diagram of the iron-based superconductors exemplifies the complexity common to many correlated materials. Indeed, multiple ordered states that break different symmetries but display comparable transition temperatures are present. Here we argue that such a complexity can be understood within a simple unifying framework. This framework, built to respect the symmetries of the nonsymmorphic space group of the FeAs/Se layer, consists of primary magnetically ordered states and their vestigial phases that intertwine spin and orbital degrees of freedom. All vestigial phases have Ising-like and zero wave-vector order parameters, described in terms of composite spin order and exotic orbital-order patterns such as spin-orbital loop currents, staggered atomic spin-orbit coupling, and emergent Rashba- and Dresselhaus-type spin-orbit interactions. Moreover, they host unusual phenomena, such as the electronematic effect, by which electric fields act as transverse fields to the nematic order parameter, and the ferro-Néel effect, by which a uniform magnetic field induces Néel order. Here, we discuss the experimental implications of our findings to iron-based superconductors and possible extensions to other correlated compounds with similar space groups.},
doi = {10.1103/physrevb.100.014512},
url = {https://www.osti.gov/biblio/1611764},
journal = {Physical Review. B},
issn = {2469-9950},
number = 1,
volume = 100,
place = {United States},
year = {Mon Jul 15 00:00:00 EDT 2019},
month = {Mon Jul 15 00:00:00 EDT 2019}
}
Web of Science
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text, January 2015
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- arXiv
Double-Q spin-density wave in iron arsenide superconductors
text, January 2015
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- arXiv
Nematicity and magnetism in FeSe and other families of Fe-based superconductors
text, January 2015
- Yamakawa, Youichi; Onari, Seiichiro; Kontani, Hiroshi
- arXiv
Spin-Driven Nematic Instability of the Multi-Orbital Hubbard Model: Application to Iron-Based Superconductors
text, January 2015
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- arXiv
Complex phase diagram of Ba$_{1-x}$Na$_{x}$Fe$_{2}$As$_{2}$: a multitude of phases striving for the electronic entropy
text, January 2015
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- arXiv
Detailed magnetic and structural analysis mapping a robust magnetic C4 dome in Sr1-xNaxFe2As2
text, January 2016
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- arXiv
Magnetism, superconductivity, and spontaneous orbital order in iron-based superconductors: who comes first and why?
text, January 2016
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- arXiv
Low-energy microscopic models for iron-based superconductors: a review
text, January 2016
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- arXiv
Possible Bicollinear Nematic State with Monoclinic Lattice Distortions in Iron Telluride Compounds
text, January 2017
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- arXiv
Hedgehog spin-vortex crystal stabilized in a hole-doped iron-based superconductor
text, January 2017
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- arXiv
Intertwined vestigial order in quantum materials: nematicity and beyond
text, January 2018
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- arXiv
Magnetic interactions in iron superconductors: A review
journal, January 2016
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Space group symmetry, spin-orbit coupling, and the low-energy effective Hamiltonian for iron-based superconductors
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Nematic State of Pnictides Stabilized by Interplay between Spin, Orbital, and Lattice Degrees of Freedom
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Nematicity and Magnetism in FeSe and Other Families of Fe-Based Superconductors
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Spin-orbital interplay and topology in the nematic phase of iron pnictides
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- arXiv
Distinguishing spin-orbit coupling and nematic order in the electronic spectrum of iron-based superconductors
text, January 2014
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- arXiv
Momentum-dependent sign-inversion of orbital polarization in superconducting FeSe
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Works referencing / citing this record:
Orbital transmutation and the electronic spectrum of FeSe in the nematic phase
text, January 2019
- Christensen, Morten H.; Fernandes, Rafael M.; Chubukov, Andrey V.
- arXiv