Concurrence of directional Kondo transport and incommensurate magnetic order in the layered material AgCrSe2

J Guimarães, DS Fartab, M Moravec… - Communications …, 2024 - nature.com
In this work, we report on the concurrent emergence of the directional Kondo behavior and
incommensurate magnetic ordering in a layered material. We employ temperature-and …

Magnetism and thermodynamics of spin-(1 2, 1) decorated Heisenberg chain with spin-1 pendants

SS Gong, W Li, Y Zhao, G Su - Physical Review B—Condensed Matter and …, 2010 - APS
The magnetic and thermodynamic properties of a ferrimagnetic decorated spin-(1 2, 1)
Heisenberg chain with spin-1 pendant spins are investigated for three cases:(A) J 1, J 2> …

Block entropy and quantum phase transition in the anisotropic Kondo necklace model

JJ Mendoza-Arenas, R Franco, J Silva-Valencia - Physical Review A—Atomic …, 2010 - APS
We study the von Neumann block entropy in the Kondo necklace model for different
anisotropies η in the XY interaction between conduction spins using the density matrix …

Green's function approach to quantum criticality in the anisotropic Kondo necklace model

H Rezania, A Langari, P Thalmeier - Physical Review B—Condensed Matter …, 2008 - APS
We have studied the quantum phase transition between the antiferromagnetic and spin
liquid phases for the two-dimensional anisotropic Kondo necklace model. The bond …

Green's function approach to the thermodynamic properties of the anisotropic Kondo necklace model

H Rezania, A Langari, P Thalmeier - Physical Review B—Condensed Matter …, 2009 - APS
We have studied the two-dimensional anisotropic Kondo necklace model with
antiferromagnetic (AF) Kondo coupling J⊥ and exchange coupling between “itinerant” spins …

Luttinger liquid coupled to quantum spins: Flow equation approach to the Kondo necklace model

FHL Essler, T Kuzmenko, IA Zaliznyak - Physical Review B—Condensed Matter …, 2007 - APS
We study a lattice realization of a Luttinger liquid interacting with quantum spins in terms of
an antiferromagnetic S= 1∕ 2 Heisenberg chain, where each spin is also coupled to a σ …

Field-induced quantum phase transition in the anisotropic Kondo necklace model

P Thalmeier, A Langari - Physical Review B—Condensed Matter and Materials …, 2007 - APS
The anisotropic Kondo necklace model in two and three dimensions is treated as a genuine
model for magnetic to Kondo singlet quantum phase transitions in the heavy fermion …

Phase diagram of the one-dimensional anisotropic Kondo-necklace model

S Mahmoudian, A Langari - Physical Review B—Condensed Matter and …, 2008 - APS
The one-dimensional anisotropic Kondo-necklace model has been studied by several
methods. It is shown that a mean field approach fails to gain the correct phase diagram for …

Phase diagram of J1-J2 transverse field Ising model on the checkerboard lattice: a plaquette-operator approach

M Sadrzadeh, A Langari - The European Physical Journal B, 2015 - Springer
We study the effect of quantum fluctuations by means of a transverse magnetic field (Γ) on
the antiferromagnetic J 1-J 2 Ising model on the checkerboard lattice, the two dimensional …

Thermodynamic quantum critical behavior of the anisotropic Kondo necklace model

D Reyes, MA Continentino, HT Wang - Journal of magnetism and magnetic …, 2009 - Elsevier
The Ising-like anisotropy parameter δ in the Kondo necklace model is analyzed using the
bond-operator method at zero and finite temperatures for arbitrary d dimensions. A …