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16 papers · 2 filters
Controlling superconductivity of CeIrIn microstructures by substrate selection
Maarten R. van Delft, Maja D. Bachmann, Carsten Putzke +5
Superconductor/metal interfaces are usually fabricated in heterostructures that join these dissimilar materials. A conceptually different approach has recently exploited the strain…
Single-component superconducting state in UTe2 at 2 K
P. F. S. Rosa, A. Weiland, S. S. Fender +5
UTe2 is a newly-discovered unconventional superconductor wherein multicomponent topological superconductivity is anticipated based on the presence of two superconducting transition…
Bi kagome sublattice distortions by quenching and flux pinning in superconducting RbBi
Sharon S. Philip, Junjie Yang, P. F. S. Rosa +3
The properties of RbBi, a 4.15 K superconductor, were investigated using magnetic field, pressure and neutron diffraction. Under hydrostatic pressure, an almost 50 % reduction…
Magic gap ratio for optimally robust fermionic condensation and its implications for high-Tc superconductivity
N. Harrison, M. K. Chan
Bardeen-Schrieffer-Cooper (BCS) and Bose-Einstein condensation (BEC) occur at opposite limits of a continuum of pairing interaction strength between fermions. A crossover between t…
Kuramoto synchronization of quantum tunneling polarons for describing the dynamic structure in cuprate superconductors
Victor Velasco, Marcello B. Silva Neto, Andrea Perali +3
A major open topic in cuprates is the interplay between the lattice and electronic dynamics and the importance of their coupling to the mechanism of high-temperature superconductiv…
Nematic response revealed by coherent phonon oscillations in BaFeAs
Min-Cheol Lee, Inho Kwak, Yeongseon Lee +5
We investigate coherent phonon oscillations of BaFeAs using optical pump-probe spectroscopy. Time-resolved optical reflectivity shows periodic modulations due to c…