Quantum magnetism in minerals

DS Inosov - Advances in Physics, 2018 - Taylor & Francis
The discovery of magnetism by the ancient Greeks was enabled by the natural occurrence of
lodestone–a magnetized version of the mineral magnetite. Nowadays, natural minerals …

Possible itinerant excitations and quantum spin state transitions in the effective spin-1/2 triangular-lattice antiferromagnet Na2BaCo(PO4)2

N Li, Q Huang, XY Yue, WJ Chu, Q Chen… - Nature …, 2020 - nature.com
The most fascinating feature of certain two-dimensional (2D) gapless quantum spin liquid
(QSL) is that their spinon excitations behave like the fermionic carriers of a paramagnetic …

Symmetry fractionalization in the gauge mean-field theory of quantum spin ice

F Desrochers, LE Chern, YB Kim - Physical Review B, 2023 - APS
Symmetry fractionalization is a ubiquitous feature of topologically ordered states that can be
used to classify different symmetry-enriched topological phases and reveal some of their …

Spin thermal Hall conductivity of a kagome antiferromagnet

H Doki, M Akazawa, HY Lee, JH Han, K Sugii… - Physical review …, 2018 - APS
A clear thermal Hall signal (κ xy) was observed in the spin-liquid phase of the S= 1/2
kagome antiferromagnet Ca kapellasite [CaCu 3 (OH) 6 Cl 2· 0.6 H 2 O]. We found that κ xy …

Gapped quantum spin liquid in a triangular-lattice Ising-type antiferromagnet

CP Tu, Z Ma, HR Wang, YH Jiao, DZ Dai, SY Li - Physical Review Research, 2024 - APS
In the search of quantum spin liquid (QSL), spin-1/2 triangular-lattice Heisenberg
antiferromagnets have always been viewed as fertile soils. Despite the true magnetically …

Thermal-transport studies of kagomé antiferromagnets

M Yamashita, M Akazawa, M Shimozawa… - Journal of Physics …, 2019 - iopscience.iop.org
Searching for the ground state of a kagomé Heisenberg antiferromagnet (KHA) has been
one of the central issues of condensed-matter physics, because the KHA is expected to host …

Magnetic field response of dipolar-octupolar quantum spin ice

Z Zhou, F Desrochers, YB Kim - Physical Review B, 2024 - APS
Dipolar-octupolar (DO) pyrochlore systems Ce 2 (Zr, Sn, Hf) 2 O 7 have garnered much
attention as recent investigations suggest that they may stabilize a novel quantum spin ice …

Persistence of the gapless spin liquid in the breathing kagome Heisenberg antiferromagnet

Y Iqbal, D Poilblanc, R Thomale, F Becca - Physical Review B, 2018 - APS
The nature of the ground state of the spin S= 1/2 Heisenberg antiferromagnet on the kagome
lattice with breathing anisotropy (ie, with different superexchange couplings J▵ and J▿ …

Field-induced instability of a gapless spin liquid with a spinon Fermi surface

M Gomilšek, M Klanjšek, R Žitko, M Pregelj, F Bert… - Physical Review Letters, 2017 - APS
The ground state of the quantum kagome antiferromagnet Zn-brochantite, ZnCu 3 (OH) 6 SO
4, which is one of only a few known spin-liquid (SL) realizations in two or three dimensions …

Effects of Dzyaloshinskii–Moriya Interactions in Volborthite: Magnetic Orders and Thermal Hall Effect

S Furukawa, T Momoi - Journal of the Physical Society of Japan, 2020 - journals.jps.jp
Volborthite offers an interesting example of a highly frustrated quantum magnet in which
ferromagnetic and antiferromagnetic interactions compete on anisotropic kagome lattices. A …