Electronic entropy change in Ni-doped FeRh

N Pérez, A Chirkova, KP Skokov, TG Woodcock… - Materials Today …, 2019 - Elsevier
The net entropy change corresponding to the free charge carriers in a Ni-doped FeRh bulk
polycrystal was experimentally evaluated in a single sample using low-temperature heat …

Topological phase in 1D topological Kondo insulator: Z2 topological insulator, Haldane-like phase and Kondo breakdown

Y Zhong, Y Liu, HG Luo - The European Physical Journal B, 2017 - Springer
We have simulated a half-filled 1 D p-wave periodic Anderson model with numerically exact
projector quantum Monte Carlo technique, and the system is indeed located in the Haldane …

Analysis of electron-correlation effects in strongly correlated systems ( and ) by applying the density-matrix renormalization-group method and quantum …

C Stemmle, B Paulus, Ö Legeza - Physical Review A, 2018 - APS
The dissociation of N 2 and N 2+ has been studied by using the ab initio density-matrix
renormalization-group (DMRG) method. Accurate potential energy surfaces (PESs) have …

Topological Kondo insulators in one dimension: Continuous Haldane-type ground-state evolution from the strongly interacting to the noninteracting limit

FT Lisandrini, AM Lobos, AO Dobry, CJ Gazza - Physical Review B, 2017 - APS
We study, by means of the density-matrix renormalization group (DMRG) technique, the
evolution of the ground state in a one-dimensional topological insulator, from the …

Two relativistic Kondo effects: Classification with particle and antiparticle impurities

Y Araki, D Suenaga, K Suzuki, S Yasui - Physical Review Research, 2021 - APS
We investigate two different types of relativistic Kondo effects, distinguished by heavy-
impurity degrees of freedom, by focusing on the energy-momentum dispersion relations of …

Symmetry-protected topological phase transition in one-dimensional Kondo lattice and its realization with ultracold atoms

M Nakagawa, N Kawakami - Physical Review B, 2017 - APS
We propose that ultracold alkaline-earth-like atoms confined in one-dimensional optical
lattice can realize a Kondo lattice model which hosts a symmetry-protected topological (SPT) …

Electric and magnetic properties of higher-spin Kondo-Heisenberg models at strong coupling

R Masui, K Totsuka - Physical Review B, 2022 - APS
We study higher-spin (S≥ 1) generalization of the one-dimensional Kondo-Heisenberg
model, in which the local spin-S moments of the Kondo-lattice model interact with each other …

Finite temperature physics of 1D topological Kondo insulator: Stable Haldane phase, emergent energy scale and beyond

Y Zhong, Q Wang, Y Liu, HF Song, K Liu, HG Luo - Frontiers of Physics, 2019 - Springer
In recent years, interacting topological insulators have emerged as new frontiers in
condensed matter physics, and the hotly studied topological Kondo insulator (TKI) is one of …

Topological phase transition and the effect of Hubbard interactions on the one-dimensional topological Kondo insulator

JC Pillay, IP McCulloch - Physical Review B, 2018 - APS
The effect of a local Kondo coupling and Hubbard interaction on the topological phase of the
one-dimensional topological Kondo insulator (TKI) is numerically investigated using the …

Interaction quench and thermalization in a one-dimensional topological Kondo insulator

I Hagymási, C Hubig, U Schollwöck - Physical Review B, 2019 - APS
We study the nonequilibrium dynamics of a one-dimensional topological Kondo insulator,
modelled by ap-wave Anderson lattice model, following a quantum quench of the on-site …