J.K. Freericks, J. Strečka

Strongly correlated electron systems and quantum magnetism

J. Strečka, T. Verkholyak

Contributions to theory of quantum spin models: 60th anniversary of Oleg Derzhko

J. Freericks, O. Matveev

Celebrating the 60th anniversary of Andrij Shvaika

A.R. Kuzmak, V.M. Tkachuk

Preparation and study of the entanglement of the Schrödinger cat state on the ibmq-melbourne quantum computer

N.M. Plakida

Microscopic theory of high-temperature superconductivity in strongly correlated electronic systems

N.B. Ivanov

Heisenberg spin chains with additional isotropic three-site exchange interactions

R.D. Nesselrodt, J.K. Freericks

A pedagogical derivation of dynamical susceptibilities

V. Ohanyan

Influence of XY anisotropy on a magnetoelectric effect in spin-1/2 XY chain in a transverse magnetic field

K. Karl^'ová

Spin-1/2 XXZ Heisenberg cupolae: magnetization process and related enhanced magnetocaloric effect

K.J. Kapcia, J. Krawczyk, R. Lemański

Extended Falicov-Kimball model at weak onsite and intersite Coulomb interactions

A.A. Zvyagin

Effect of the bi-chromatic ac magnetic field on the quantum spin chain with an impurity

J. Strečka, L. Gálisová, T. Verkholyak

Insights into nature of a magnetization plateau of 3d-4f coordination polymer [Dy₂Cu₂]_n from a spin-1/2 Ising-Heisenberg orthogonal-dimer chain

P. Farkašovský

DMRG study of exciton condensation in the extended Falicov-Kimball model

J. Richter, J. Schulenburg, D.V. Dmitriev, V.Ya. Krivnov, J. Schnack

Anomalous thermodynamics of a quantum spin system with large residual entropy

A.K. Kolezhuk, T.L. Zavertanyi

SU(N)→ SU(2) symmetry breaking in quantum antiferromagnets

A. Honecker, J. Richter, J. Schnack, A. Wietek

Loop-gas description of the localized-magnon states on the kagome lattice with open boundary conditions

N. Ferreira, J. Torrico, S.M. de Souza, O. Rojas, J. Strečka

Magnetoelastic properties of a spin-1/2 Ising-Heisenberg diamond chain in vicinity of a triple coexistence point

Yu. Skorenkyy, O. Kramar, Yu. Dovhopyaty

Electron-hole asymmetry in electron systems with orbital degeneracy and correlated hopping

AUTHOR INDEX OF VOLUME 23 (2020)