6 papers
Kitaev Quantum Spin Liquids
Yuji Matsuda, Takasada Shibauchi, Hae-Young Kee
Quantum spin liquids (QSLs) represent exotic states of matter where quantum spins interact strongly yet evade long-range magnetic order down to absolute zero. Characterized by non-…
Quasiparticle interaction originating from Bogoliubov Fermi Surfaces under pressure in 18%-S substituted FeSe studied via NMR
Zhongyu Yu, Xiaoling Shen, Koya Nakamura +8
S-substituted FeSe superconductors in the tetragonal phase display several unique features among iron-based superconductors, particularly the presence of zero-energy excitations in…
Bulk excitations in ultraclean -RuCl: Quantitative evidence for Majorana dispersions in a Kitaev quantum spin liquid
Kumpei Imamura, Ryuichi Namba, Riku Ishioka +6
The spin-orbit coupled Mott insulator -RuCl has emerged as a prime candidate for realizing the Kitaev quantum spin liquid (KQSL), characterized by Majorana quasiparticles,…
Field-free superconducting diode effect in layered superconductor FeSe
Utane Nagata, Motomi Aoki, Akito Daido +7
The superconducting diode effect (SDE), where zero-resistance states appear nonreciprocally during current injection, is receiving tremendous interest in both fundamental and appli…
Potentiometric detection of spin polarization expected at the surface of FeTe0.6Se0.4 in the effective p-wave superconducting state
K. Ohnishi, R. Ohshima, T. Nishijima +7
Nowadays, the quest for non-Abelian anyons is attracting tremendous attention. In particular, a Majorana quasiparticle has attracted great interest since the non-Abelian anyon is a…
Apparent nonreciprocal transport in FeSe bulk crystals
Taichi Terashima, Shinya Uji, Yuji Matsuda +2
We performed low-frequency ac first- and second-harmonic resistance measurements and dc measurements on bulk FeSe crystals in a temperature range between 1.8 and 150 K and in…