Thermodynamics of the spin-half square kagome lattice antiferromagnet

J Richter, O Derzhko, J Schnack - Physical Review B, 2022 - APS
Over the last decade, the interest in the spin-1/2 Heisenberg antiferromagnet (HAF) on the
square kagome (also called shuriken) lattice has been growing as a model system of …

Probing resonating valence bond states in artificial quantum magnets

K Yang, SH Phark, Y Bae, T Esat, P Willke… - Nature …, 2021 - nature.com
Designing and characterizing the many-body behaviors of quantum materials represents a
prominent challenge for understanding strongly correlated physics and quantum information …

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 …

Dynamical signatures of symmetry-broken and liquid phases in an = Heisenberg antiferromagnet on the triangular lattice

M Drescher, L Vanderstraeten, R Moessner… - Physical Review B, 2023 - APS
We present the dynamical spin structure factor of the antiferromagnetic spin-1 2 J 1-J 2
Heisenberg model on a triangular lattice obtained from large-scale matrix-product state …

An introduction to infinite projected entangled-pair state methods for variational ground state simulations using automatic differentiation

J Naumann, EL Weerda, M Rizzi, J Eisert… - SciPost Physics Lecture …, 2024 - scipost.org
Tensor networks capture large classes of ground states of phases of quantum matter
faithfully and efficiently. Their manipulation and contraction has remained a challenge over …

Tensor network study of the spin- Heisenberg antiferromagnet on the shuriken lattice

P Schmoll, A Kshetrimayum, J Naumann, J Eisert… - Physical Review B, 2023 - APS
We investigate the ground state of the spin S= 1 2 Heisenberg antiferromagnet on the
shuriken lattice, also in the presence of an external magnetic field. To this end, we employ …

Low-temperature specific-heat studies on two square-kagome antiferromagnets

B Liu, Z Zeng, A Xu, Y Sun, O Yakubovich… - Physical Review B, 2022 - APS
We studied the low-temperature specific heats of two antiferromagnets with the two-
dimensional square-kagome structure, ie, KCu 6 AlBiO 4 (SO 4) 5 Cl (KCu 6) and Na 6 Cu 7 …

Hydrothermal Synthesis and a Composite Crystal Structure of Na6Cu7BiO4(PO4)4[Cl,(OH)]3 as a Candidate for Quantum Spin Liquid

OV Yakubovich, LV Shvanskaya… - Inorganic …, 2021 - ACS Publications
A novel sodium bismuth oxo-cuprate phosphate chloride, Na6Cu7BiO4 (PO4) 4 [Cl2. 23
(OH) 0.77], containing square-kagomé layers of Cu2+ has been synthesized by …

Noncoplanar magnetic order in classical square-kagome antiferromagnets

M Gembé, HJ Schmidt, C Hickey, J Richter, Y Iqbal… - Physical Review …, 2023 - APS
Motivated by the recent synthesis of a number of Mott insulating square-kagome materials,
we explore the rich phenomenology of frustrated magnetism induced by this lattice …

Magnetism of the square-kagome lattice antiferromagnet

J Richter, J Schnack - Physical Review B, 2023 - APS
Over the last decade, the spin-1/2 Heisenberg antiferromagnet on the square-kagome (SK)
lattice has attracted growing attention as a model system of highly frustrated quantum …