Magnetism, superconductivity, and spontaneous orbital order in iron-based superconductors: Which comes first and why?

AV Chubukov, M Khodas, RM Fernandes - Physical Review X, 2016 - APS
Magnetism and nematic order are the two nonsuperconducting orders observed in iron-
based superconductors. To elucidate the interplay between them and ultimately unveil the …

Anisotropic electrodynamics of type-II Weyl semimetal candidate

AJ Frenzel, CC Homes, QD Gibson, YM Shao, KW Post… - Physical Review B, 2017 - APS
We investigated the ab-plane optical properties of single crystals of WTe 2 for light polarized
parallel and perpendicular to the W-chain axis over a broad range of frequency and …

Hund's metal crossover and superconductivity in the 111 family of iron-based superconductors

P Villar Arribi, L de'Medici - Physical Review B, 2021 - APS
We study LiFeP, LiFeAs, and NaFeAs in their paramagnetic metallic phase including
dynamical electronic correlations within a density functional theory+ slave-spin mean-field …

1144 Fe based superconductors: natural example of orbital selective self-doping and chemical pressure induced Lifshitz transition

A Ghosh, S Sen, H Ghosh - Computational Materials Science, 2021 - Elsevier
A systematic density functional theory based first principles electronic structure studies on
AeAFe 4 As 4 known as, 1144 iron based superconductors (IBSC) for various Ae= Ca, Sr, Eu …

Three-dimensional electronic structure of the nematic and antiferromagnetic phases of NaFeAs from detwinned angle-resolved photoemission spectroscopy

MD Watson, S Aswartham, LC Rhodes, B Parrett… - Physical Review B, 2018 - APS
We report a comprehensive angle-resolved photoemission spectroscopy study of NaFeAs, a
prototypical parent compound of the Fe-based superconductors. By mechanically …

Superconductivity in the Narrow Gap Semiconductor RbBi11/3Te6

CD Malliakas, DY Chung, H Claus… - Journal of the …, 2016 - ACS Publications
Superconductivity was discovered in the layered compound RbBi11/3Te6, featuring Bi
vacancies and a narrow band gap of 0.25 (2) eV at room temperature. A sharp …

Comparison of experimental data on the spin resonance frequency and gap magnitudes in Fe-based superconductors

MM Korshunov, VA Shestakov… - Journal of Magnetism and …, 2017 - Elsevier
Here we review experimental data on the peak in inelastic neutron scattering (INS) and
superconducting gaps extracted from various experimental techniques. Comparison of …

Dynamical susceptibility of a near-critical nonconserved order parameter and quadrupole Raman response in Fe-based superconductors

A Klein, S Lederer, D Chowdhury, E Berg, A Chubukov - Physical Review B, 2018 - APS
We analyze the dynamical response of a two-dimensional system of itinerant fermions
coupled to a scalar boson ϕ, which undergoes a continuous transition towards nematic …

Temperature and polarization dependence of low-energy magnetic fluctuations in nearly optimally doped

Y Song, W Wang, C Zhang, Y Gu, X Lu, G Tan, Y Su… - Physical Review B, 2017 - APS
We use unpolarized and polarized neutron scattering to study the temperature and
polarization dependence of low-energy magnetic fluctuations in nearly optimally doped …

Intrinsic Charge Dynamics in High- Superconductors

A Charnukha, D Pröpper, ND Zhigadlo, M Naito… - Physical review …, 2018 - APS
We report the first determination of the in-plane complex optical conductivity of 1111 high-T c
superconducting iron oxypnictide single crystals PrFeAs (O, F) and thin films SmFeAs (O, F) …