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Emerging symmetric strain response and weakening nematic fluctuations in strongly hole-doped iron-based superconductors
P. Wiecki, M. Frachet, A. -A. Haghighirad +4
Electronic nematicity is often found in unconventional superconductors, suggesting its relevance for electronic pairing. In the strongly hole-doped iron-based superconductors, the…
Signatures of a Quantum Griffiths Phase close to an Electronic Nematic Quantum Phase Transition
Pascal Reiss, David Graf, Amir A. Haghighirad +2
In the vicinity of a quantum critical point, quenched disorder can lead to a quantum Griffiths phase, accompanied by an exotic power-law scaling with a continuously varying dynamic…
Strain-tuning of nematicity and superconductivity in single crystals of FeSe
Michele Ghini, Matthew Bristow, Joseph C. A. Prentice +4
Strain is a powerful experimental tool to explore new electronic states and understand unconventional superconductivity. Here, we investigate the effect of uniaxial strain on the n…
Dynamics of Collective Modes in an unconventional Charge Density Wave system BaNiAs
Amrit Raj Pokharel, Vladimir Grigorev, Arjan Mejas +7
BaNiAs is a non-magnetic analogue of BaFeAs, the parent compound of a prototype pnictide high-temperature superconductor, displaying superconductivity alrea…