Zobrazeno 1 - 10
of 3 011
pro vyhledávání: '"Hui, Ke"'
We explore the potential experimental realization of the mixed-spin Kitaev model in materials such as Zr$_{0.5}$Ru$_{0.5}$Cl$_3$, where spin-1/2 and spin-3/2 ions occupy distinct sublattices of a honeycomb lattice. By developing a superexchange theor
Externí odkaz:
http://arxiv.org/abs/2412.09310
We revisit the challenging problem of identifying the quantum spin liquid candidate in the spin-1/2 $J_1$-$J_2$ Heisenberg antiferromagnet on the square lattice. By integrating the Gutzwiller-guided density matrix renormalization group method with an
Externí odkaz:
http://arxiv.org/abs/2411.14114
The Mott regime with finite $U$ offers a promising platform for exploring novel phases of matter, such as quantum spin liquids (QSL) that exhibit fractionalization and emergent gauge field. Here, we provide a new class wavefunction, dubbed ancilla wa
Externí odkaz:
http://arxiv.org/abs/2409.07512
Autor:
Jin, Hui-Ke, Knolle, Johannes
Frustrated magnets can have accidental ground state degeneracies which may be lifted by various forms of disorder, for example in the form of thermal or quantum fluctuations. This order by disorder (ObD) paradigm is well established in equilibrium an
Externí odkaz:
http://arxiv.org/abs/2403.17118
Previous investigations have suggested that the simplest spin-orbital model on the simplest frustrated lattice can host a nematic quantum spin-orbital liquid state. Namely, the orbital degeneracy of the SU(4) Kugel-Khomskii (KK) model tends to enhanc
Externí odkaz:
http://arxiv.org/abs/2311.02639
Publikováno v:
npj Quantum Mater. 9, 32 (2024)
The dynamical response of a quantum spin liquid upon injecting a hole is a pertinent open question. In experiments, the hole spectral function, measured momentum-resolved in angle-resolved photoemission spectroscopy (ARPES) or locally in scanning tun
Externí odkaz:
http://arxiv.org/abs/2309.15157
Publikováno v:
npj Quantum Materials 9, 65 (2024)
We study the effect of hole doping on the Kitaev spin liquid (KSL) and find that for ferromagnetic (FM) Kitaev exchange $K$ the system is very susceptible to the formation of a FM spin polarization. Through density matrix renormalization group (DMRG)
Externí odkaz:
http://arxiv.org/abs/2309.15153
Publikováno v:
npj Quantum Materials, Vol 9, Iss 1, Pp 1-9 (2024)
Abstract We study the effect of hole doping on the Kitaev spin liquid (KSL) and find that for ferromagnetic (FM) Kitaev exchange K the system is very susceptible to the formation of a FM spin polarization. Through density matrix renormalization group
Externí odkaz:
https://doaj.org/article/30feb2774e7d430ab51652723c8a3a44
Publikováno v:
Physical Review B 108, 075111 (2023)
The $S=3/2$ Kitaev honeycomb model (KHM) is unique among the spin-$S$ Kitaev models due to a massive ground state quasi-degeneracy that hampered previous numerical and analytical studies. In a recent work~\cite{jin2022unveiling}, we showed how an SO(
Externí odkaz:
http://arxiv.org/abs/2304.13378
Autor:
Hui-Ke Jin, Johannes Knolle
Publikováno v:
Physical Review Research, Vol 6, Iss 4, p L042033 (2024)
Frustrated magnets can have accidental ground state degeneracies which may be lifted by various forms of disorder, for example in the form of thermal or quantum fluctuations. This order by disorder (ObD) paradigm is well established in equilibrium an
Externí odkaz:
https://doaj.org/article/697609d9e9ec4243a3ffd0f09171bfda