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Title: Novel Magnetic Block States in Low-Dimensional Iron-Based Superconductors

Abstract

Inelastic neutron scattering recently confirmed the theoretical prediction of a ↑↑↓↓-magnetic state along the legs of quasi-one-dimensional iron-based ladders in the orbital-selective Mott phase (OSMP). We show here that electron doping of the OSMP induces a whole class of novel block states with a variety of periodicities beyond the previously reported π/2 pattern. We discuss the magnetic phase diagram of the OSMP regime that could be tested by neutrons once appropriate quasi-1D quantum materials with the appropriate dopings are identified.

Authors:
 [1];  [2];  [3]; ORCiD logo [4];  [2];  [5];  [5]
+ Show Author Affiliations
  1. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Wroclaw Univ. of Science and Technology (Poland)
  2. Univ. of Stuttgart (Germany)
  3. The Ohio State Univ., Columbus, OH (United States)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  5. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1546509
Alternate Identifier(s):
OSTI ID: 1546454
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 123; Journal Issue: 2; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Herbrych, Jacek W., Hevernhagen, J., Patel, N. D., Alvarez, Gonzalo, Daghofer, Maria, Moreo, Adriana, and Dagotto, Elbio R. Novel Magnetic Block States in Low-Dimensional Iron-Based Superconductors. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.123.027203.
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Herbrych, Jacek W., Hevernhagen, J., Patel, N. D., Alvarez, Gonzalo, Daghofer, Maria, Moreo, Adriana, & Dagotto, Elbio R. Novel Magnetic Block States in Low-Dimensional Iron-Based Superconductors. United States. https://doi.org/10.1103/PhysRevLett.123.027203
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Herbrych, Jacek W., Hevernhagen, J., Patel, N. D., Alvarez, Gonzalo, Daghofer, Maria, Moreo, Adriana, and Dagotto, Elbio R. Wed . "Novel Magnetic Block States in Low-Dimensional Iron-Based Superconductors". United States. https://doi.org/10.1103/PhysRevLett.123.027203. https://www.osti.gov/servlets/purl/1546509.
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@article{osti_1546509,
title = {Novel Magnetic Block States in Low-Dimensional Iron-Based Superconductors},
author = {Herbrych, Jacek W. and Hevernhagen, J. and Patel, N. D. and Alvarez, Gonzalo and Daghofer, Maria and Moreo, Adriana and Dagotto, Elbio R.},
abstractNote = {Inelastic neutron scattering recently confirmed the theoretical prediction of a ↑↑↓↓-magnetic state along the legs of quasi-one-dimensional iron-based ladders in the orbital-selective Mott phase (OSMP). We show here that electron doping of the OSMP induces a whole class of novel block states with a variety of periodicities beyond the previously reported π/2 pattern. We discuss the magnetic phase diagram of the OSMP regime that could be tested by neutrons once appropriate quasi-1D quantum materials with the appropriate dopings are identified.},
doi = {10.1103/PhysRevLett.123.027203},
journal = {Physical Review Letters},
number = 2,
volume = 123,
place = {United States},
year = {2019},
month = {7}
}
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Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1103/PhysRevLett.123.027203
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Cited by: 8 works
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Figures / Tables:

Figure 1 Figure 1: (Color online) Schematic representation of (a) the orbital-selective Mott phase and (b)more » $π$/2-block spin state. (c) Interaction U and (d) filling $n$ dependence of the total magnetic moment $\langle$$S$$^{2}_{ℓ}$$\rangle$ and orbital-resolved occupation numbers $n$$γ$ of the two-orbital Hubbard model Eq. (1), using $L$ = 48 sites. In (d), the black dashed line represents the largest possible magnetic moment $S$$^{2}_{max}$ . (e) Momentum distribution function $n$0($q$) of the $γ$ = 0 orbital. Points indicate $q$$^{0}_{der}$, the position of the maximum in d$n$0($q$)/d$q$. (f) $n$ dependence of the position of the maximum of the spin structure factor $q$$^{S}_{max}$ . Block-OSMP is denoted as a colored area. In the same panel we also present the position of the orbital $γ$ = 0 Fermi-vector calculated via 2$k$$^{0}_{F}$ = $πn$0 and via 2$q$$^{0}_{der}$.« less
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    Magnetic states of iron-based two-leg ladder tellurides
    journal, November 2019

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