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From order to randomness: Onset and evolution of the random-singlet state in bond-disordered BaCu(SiGe)O spin-chain compounds
T. Shiroka, F. Eggenschwiler, H. -R. Ott +1
Heisenberg-type spin-chain materials have been extensively studied over the years, yet not much is known about their behavior in the presence of disorder. Starting from BaCuSi$…
Time-reversal symmetry breaking in Re-based superconductors
T. Shang, M. Smidman, S. K. Ghosh +15
To trace the origin of time-reversal symmetry breaking (TRSB) in Re-based superconductors, we performed comparative muon-spin rotation/relaxation (SR) studies of superconducting…
Nodeless superconductivity in the noncentrosymmetric MoRhN superconductor: a SR study
T. Shang, Wesen Wei, C. Baines +6
The noncentrosymmetric superconductor MoRhN, with K, adopts a -Mn-type structure (space group 432), similar to that of MoAlC. Its bulk superco…
Evidence of Coulomb interaction induced Lifshitz transition and robust hybrid Weyl semimetal in Td MoTe2
N. Xu, Z. W. Wang, A. Magrez +13
Using soft x-ray angle-resolved photoemission spectroscopy we probed the bulk electronic structure of Td MoTe2. We found that on-site Coulomb interaction leads to a Lifshitz transi…
Cooling a polaronic liquid: Phase mixture and pseudogap-like spectra in superconducting
M. Naamneh, M. Yao, J. Jandke +17
Many complex electronic systems exhibit so-called pseudogaps, which are poorly-understood suppression of low-energy spectral intensity in the absence of an obvious gap-inducing sym…
Chemical- and hydrostatic-pressure effects on the Kitaev honeycomb material NaIrO
G. Simutis, N. Barbero, K. Rolfs +10
The low-temperature magnetic properties of \tcr{polycrystalline} NaIrO, a candidate material for the realization of a quantum spin-liquid state, were investigated by means…