Unconventional superconductivity near a nematic instability in a multi-orbital system

KR Islam, A Chubukov - npj Quantum Materials, 2024 - nature.com
We analyze superconductivity in a multi-orbital fermionic system near the onset of a nematic
order, using doped FeSe as an example. We associate nematicity with spontaneous …

Highly anisotropic superconducting gap near the nematic quantum critical point of FeSe1−xSx

PK Nag, K Scott, VS de Carvalho, JK Byland, X Yang… - Nature Physics, 2024 - nature.com
Nematic phases, in which electrons in a solid spontaneously break rotational symmetry
while preserving translational symmetry, exist in several families of unconventional …

Unveiling the quasiparticle behaviour in the pressure-induced high-Tc phase of an iron-chalcogenide superconductor

Z Zajicek, P Reiss, D Graf, JCA Prentice, Y Sadki… - npj Quantum …, 2024 - nature.com
Superconductivity of iron chalocogenides is strongly enhanced under applied pressure yet
its underlying pairing mechanism remains elusive. Here, we present a quantum oscillations …

Evidence for saddle point-driven charge density wave on the surface of heavily hole-doped iron arsenide superconductors

Q Hu, Y Zheng, H Xu, J Deng, C Liang, F Yang… - Nature …, 2025 - nature.com
Unconventional superconductivity is known for its intertwining with other correlated states,
making exploration of the intertwined orders important for understanding its pairing …

Unconventional Superconductivity Mediated by Nematic Fluctuations in a Multi-Orbital System--Application to doped FeSe

KR Islam, A Chubukov - arxiv preprint arxiv:2412.07008, 2024 - arxiv.org
We analyze superconductivity in a multi-orbital fermionic system near the onset of a nematic
order, using doped FeSe as an example. We associate nematicity with a spontaneous …

Direct Visualization of a Disorder Driven Electronic Smectic Phase in Dirac Nodal Line Semimetal GdSbTe

B Venkatesan, SY Guan, JT Chang, SB Chiu… - arxiv preprint arxiv …, 2024 - arxiv.org
Electronic liquid crystal (ELC) phases are spontaneous symmetry breaking states believed
to arise from strong electron correlation in quantum materials such as cuprates and iron …