Hunting Majorana fermions in Kitaev magnets

Y Motome, J Nasu - Journal of the Physical Society of Japan, 2020 - journals.jps.jp
A Majorana fermion is a fermionic particle that is its own antiparticle. Since the theoretical
discovery by Ettore Majorana in 1937, the exotic particle has long been searched in particle …

Excitations in the field-induced quantum spin liquid state of α-RuCl3

A Banerjee, P Lampen-Kelley, J Knolle, C Balz… - npj Quantum …, 2018 - nature.com
The celebrated Kitaev quantum spin liquid (QSL) is the paradigmatic example of a
topological magnet with emergent excitations in the form of Majorana Fermions and gauge …

Probing Beyond Magnetic Order: Effects of Temperature and Magnetic Field

SM Winter, K Riedl, D Kaib, R Coldea, R Valentí - Physical review letters, 2018 - APS
Recent studies have brought α-RuCl 3 to the forefront of experimental searches for materials
realizing Kitaev spin-liquid physics. This material exhibits strongly anisotropic exchange …

Microscopic mechanism for a higher-spin Kitaev model

PP Stavropoulos, D Pereira, HY Kee - Physical review letters, 2019 - APS
The spin S= 1 2 Kitaev honeycomb model has attracted significant attention since emerging
candidate materials have provided a playground to test non-Abelian anyons. The Kitaev …

Witnessing entanglement in quantum magnets using neutron scattering

A Scheie, P Laurell, AM Samarakoon, B Lake… - Physical Review B, 2021 - APS
We demonstrate how quantum entanglement can be directly witnessed in the quasi-1D
Heisenberg antiferromagnet KCuF 3. We apply three entanglement witnesses—one tangle …

Sleuthing out exotic quantum spin liquidity in the pyrochlore magnet Ce2Zr2O7

A Bhardwaj, S Zhang, H Yan, R Moessner… - npj Quantum …, 2022 - nature.com
The search for quantum spin liquids—topological magnets with fractionalized excitations—
has been a central theme in condensed matter and materials physics. Despite numerous …

Spin nematics meet spin liquids: Exotic quantum phases in the spin-1 bilinear-biquadratic model with Kitaev interactions

R Pohle, N Shannon, Y Motome - Physical Review B, 2023 - APS
Spin liquid crystals are magnetic analogs of liquid crystals, possessing properties of both
liquids and solids, a typical example of which are spin nematics. Spin nematics share many …

Classification of classical spin liquids: Detailed formalism and suite of examples

H Yan, O Benton, AH Nevidomskyy, R Moessner - Physical Review B, 2024 - APS
The hallmark of highly frustrated systems is the presence of many states close in energy to
the ground state. Fluctuations between these states can preclude the emergence of any form …

Eight-color chiral spin liquid in the bilinear-biquadratic model with Kitaev interactions

R Pohle, N Shannon, Y Motome - Physical Review Research, 2024 - APS
Multipolar spin systems provide a rich ground for the emergence of unexpected states of
matter due to their enlarged spin degree of freedom. In this study, with a specific emphasis …

Quantum-to-classical crossover in generalized spin systems: Temperature-dependent spin dynamics of

D Dahlbom, FT Brooks, MS Wilson, S Chi… - Physical Review B, 2024 - APS
Simulating quantum spin systems at finite temperatures is an open challenge in many-body
physics. This work studies the temperature-dependent spin dynamics of a pivotal compound …