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Unveiling Hidden Orders: Magnetostriction as a Probe of Multipolar-Ordered States
Adarsh S. Patri, Akito Sakai, SungBin Lee +3
Broken symmetries in solids involving higher order multipolar degrees of freedom are historically referred to as "hidden orders" due to the formidable task of detecting them with c…
Topological d+s wave superconductors in a multi-orbital quadratic band touching system
GiBaik Sim, Archana Mishra, Moon Jip Park +3
Realization of topological superconductors is one of the most important goals in studies of topological phases in quantum materials. In this work, we theoretically propose a novel…
Multi-scale Quantum Criticality driven by Kondo-lattice Coupling in Pyrochlore Systems
Hanbit Oh, Sangjin Lee, Yong Baek Kim +1
Pyrochlore systems () with -site rare-earth local moments and -site conduction electrons offer excellent material platforms for the discovery of exotic…
Landau theory of multipolar orders in Pr(TM)X Kondo materials
SungBin Lee, Simon Trebst, Yong Baek Kim +1
A series of Pr(TM)X (with TM=Ti,V,Rh,Ir and X=Al,Zn) Kondo materials, containing non-Kramers Pr moments on a diamond lattice, have been shown to exhibit in…
Magnetic Order with Fractionalized Excitations: Applications to
Li Ern Chern, Yong Baek Kim
A recent inelastic neutron scattering experiment on uncovers an unusual scattering continuum in the spin excitation spectrum despite the…
A Simple Mechanism for Unconventional Superconductivity in a Repulsive Fermion Model
Kevin Slagle, Yong Baek Kim
Motivated by a scarcity of simple and analytically tractable models of superconductivity from strong repulsive interactions, we introduce a simple tight-binding lattice model of fe…
Topological superconductivity in Kondo-Kitaev model
Wonjune Choi, Philipp W. Klein, Achim Rosch +1
We investigate possible topological superconductivity in the Kondo-Kitaev model on the honeycomb lattice, where the Kitaev spin liquid is coupled to conduction electrons via the Ko…
Classical and quantum spin dynamics of the honeycomb model
Anjana M. Samarakoon, Gideon Wachtel, Youhei Yamaji +3
Quantum to classical crossover is a fundamental question in dynamics of quantum many-body systems. In frustrated magnets, for example, it is highly non-trivial to describe the cros…
Classification and properties of quantum spin liquids on the hyperhoneycomb lattice
Biao Huang, Wonjune Choi, Yong Baek Kim +1
The family of "Kitaev materials" provides an ideal platform to study quantum spin liquids and their neighboring magnetic orders. Motivated by the possibility of a quantum spin liqu…