Thermal Hall effects in quantum magnets

XT Zhang, YH Gao, G Chen - Physics Reports, 2024 - Elsevier
In the recent years, the thermal Hall transport has risen as an important diagnosis of the
physical properties of the elementary excitations in various quantum materials, especially …

Pinwheel valence bond crystal ground state of the spin- Heisenberg antiferromagnet on the shuriken lattice

N Astrakhantsev, F Ferrari, N Niggemann, T Müller… - Physical review B, 2021 - APS
We investigate the nature of the ground state of the spin-1 2 Heisenberg antiferromagnet on
the shuriken lattice by complementary state-of-the-art numerical techniques, such as …

Nonstrange quark stars within resummed QCD

TE Restrepo, C Providência, MB Pinto - Physical Review D, 2023 - APS
The recently developed resummation technique known as renormalization group optimized
perturbation theory (RGOPT) is employed in the evaluation of the equation of state (EOS) …

Quantum phases in the honeycomb-lattice ferro-antiferromagnetic model

S Jiang, SR White, AL Chernyshev - Physical Review B, 2023 - APS
Using large-scale density-matrix renormalzation group calculations and minimally
augmented spin-wave theory, we demonstrate that the phase diagram of the quantum S= 1 …

Phonon dynamics in the chiral Kitaev spin liquid

S Singh, PP Stavropoulos, NB Perkins - Physical Review B, 2024 - APS
We investigate the effect of a magnetic field on the extended Kitaev spin-liquid state through
phonon dynamics. Using a constrained fermionic self-consistent mean field method, we …

SU (4) Heisenberg model on the honeycomb lattice with exchange-frustrated perturbations: Implications for twistronics and Mott insulators

WMH Natori, R Nutakki, RG Pereira, EC Andrade - Physical Review B, 2019 - APS
The SU (4)-symmetric spin-orbital model on the honeycomb lattice was recently studied in
connection to correlated insulators such as the eg Mott insulator Ba 3 CuSb 2 O 9 and the …

Classical and quantum phases of the pyrochlore magnet with Heisenberg and Dzyaloshinskii-Moriya interactions

V Noculak, D Lozano-Gómez, J Oitmaa, RRP Singh… - Physical Review B, 2023 - APS
We investigate the ground state and critical temperature (T c) phase diagrams of the
classical and quantum S= 1 2 pyrochlore lattice with nearest-neighbor Heisenberg and …

Variational optimization of tensor-network states with the honeycomb-lattice corner transfer matrix

IV Lukin, AG Sotnikov - Physical Review B, 2023 - APS
We develop a method of variational optimization of the infinite projected entangled pair
states on the honeycomb lattice. The method is based on the automatic differentiation of the …

Observation of plaquette fluctuations in the spin-1/2 honeycomb lattice

C Wessler, B Roessli, KW Krämer, B Delley… - npj quantum …, 2020 - nature.com
Quantum spin liquids are materials that feature quantum entangled spin correlations and
avoid magnetic long-range order at T= 0 K. Particularly interesting are two-dimensional …

Role of quantum fluctuations on spin liquids and ordered phases in the Heisenberg model on the honeycomb lattice

J Merino, A Ralko - Physical Review B, 2018 - APS
Motivated by the rich physics of honeycomb magnetic materials, we obtain the phase
diagram and analyze magnetic properties of the spin-1/2 and spin-1 J 1-J 2-J 3 Heisenberg …