High-temperature superconductivity in iron pnictides and chalcogenides

Q Si, R Yu, E Abrahams - Nature Reviews Materials, 2016 - nature.com
Superconductivity develops in metals upon the formation of a coherent macroscopic
quantum state of electron pairs. Iron pnictides and chalcogenides are materials that have …

Unconventional superconductivity in magic-angle graphene superlattices

Y Cao, V Fatemi, S Fang, K Watanabe, T Taniguchi… - Nature, 2018 - nature.com
The behaviour of strongly correlated materials, and in particular unconventional
superconductors, has been studied extensively for decades, but is still not well understood …

A quantum critical point lying beneath the superconducting dome in iron pnictides

T Shibauchi, A Carrington… - Annu. Rev. Condens …, 2014 - annualreviews.org
Whether a quantum critical point (QCP) lies beneath the superconducting dome has been a
long-standing issue that remains unresolved in many classes of unconventional …

Field-induced superconducting phase of FeSe in the BCS-BEC cross-over

S Kasahara, T Watashige, T Hanaguri… - Proceedings of the …, 2014 - National Acad Sciences
Fermi systems in the cross-over regime between weakly coupled Bardeen–Cooper–
Schrieffer (BCS) and strongly coupled Bose–Einstein-condensate (BEC) limits are among …

Exotic superconducting states in FeSe-based materials

T Shibauchi, T Hanaguri, Y Matsuda - Journal of the Physical Society …, 2020 - journals.jps.jp
High-temperature superconductivity and a wide variety of exotic superconducting states
discovered in FeSe-based materials have been at the frontier of research on condensed …

Scanned probe imaging of nanoscale magnetism at cryogenic temperatures with a single-spin quantum sensor

M Pelliccione, A Jenkins, P Ovartchaiyapong… - Nature …, 2016 - nature.com
High-spatial-resolution magnetic imaging has driven important developments in fields
ranging from materials science to biology. However, to uncover finer details approaching the …

Strongly correlated superconductivity in a copper-based metal-organic framework with a perfect kagome lattice

T Takenaka, K Ishihara, M Roppongi, Y Miao… - Science …, 2021 - science.org
Metal-organic frameworks (MOFs), which are self-assemblies of metal ions and organic
ligands, provide a tunable platform to search a new state of matter. A two-dimensional (2D) …

Ising nematic quantum critical point in a metal: A Monte Carlo study

Y Schattner, S Lederer, SA Kivelson, E Berg - Physical Review X, 2016 - APS
The Ising nematic quantum critical point associated with the zero-temperature transition from
a symmetric to a nematic metal is an exemplar of metallic quantum criticality. We carry out a …

Quadrupling the depairing current density in the iron-based superconductor SmFeAsO1–xHx

M Miura, S Eley, K Iida, K Hanzawa, J Matsumoto… - Nature Materials, 2024 - nature.com
Iron-based 1111-type superconductors display high critical temperatures and relatively high
critical current densities J c. The typical approach to increasing J c is to introduce defects to …

Sign-problem–free quantum Monte Carlo of the onset of antiferromagnetism in metals

E Berg, MA Metlitski, S Sachdev - Science, 2012 - science.org
The quantum theory of antiferromagnetism in metals is necessary for our understanding of
numerous intermetallic compounds of widespread interest. In these systems, a quantum …