One-dimensional magnetism
HJ Mikeska, AK Kolezhuk - Quantum magnetism, 2004 - Springer
We present an up-to-date survey of theoretical concepts and results in the field of one-
dimensional magnetism and of their relevance to experiments and real materials. Main …
dimensional magnetism and of their relevance to experiments and real materials. Main …
Entanglement of exact excited states of Affleck-Kennedy-Lieb-Tasaki models: Exact results, many-body scars, and violation of the strong eigenstate thermalization …
We obtain multiple exact results on the entanglement of the exact excited states of
nonintegrable models we introduced in Phys. Rev. B 98, 235155 (2018) 10.1103/PhysRevB …
nonintegrable models we introduced in Phys. Rev. B 98, 235155 (2018) 10.1103/PhysRevB …
The density-matrix renormalization group in the age of matrix product states
U Schollwöck - Annals of physics, 2011 - Elsevier
The density-matrix renormalization group method (DMRG) has established itself over the
last decade as the leading method for the simulation of the statics and dynamics of one …
last decade as the leading method for the simulation of the statics and dynamics of one …
[LIVRE][B] Understanding quantum phase transitions
L Carr - 2010 - books.google.com
Exploring a steadily growing field, this book focuses on quantum phase transitions (QPT),
frontier area of research. It takes a look back as well as a look forward to the future and the …
frontier area of research. It takes a look back as well as a look forward to the future and the …
Finitely correlated generalized spin ladders
AK Kolezhuk, HJ Mikeska - International Journal of Modern Physics …, 1998 - World Scientific
We study two-leg S= 1/2 ladders with general isotropic exchange interactions between spins
on neighboring rungs, whose ground state can be found exactly in a form of finitely …
on neighboring rungs, whose ground state can be found exactly in a form of finitely …
Theoretical error performance analysis for variational quantum circuit based functional regression
The noisy intermediate-scale quantum devices enable the implementation of the variational
quantum circuit (VQC) for quantum neural networks (QNN). Although the VQC-based QNN …
quantum circuit (VQC) for quantum neural networks (QNN). Although the VQC-based QNN …
Low-lying excited states and low-temperature properties of an alternating spin-1–spin-1/2 chain: A density-matrix renormalization-group study
We report spin wave and density-matrix renormalization-group (DMRG) studies of the
ground and low-lying excited states of uniform and dimerized alternating spin chains. The …
ground and low-lying excited states of uniform and dimerized alternating spin chains. The …
Low Temperature Properties of Quantum Antiferromagnetic Chains with Alternating Spins S= 1 and 1/2
S Brehmer, HJ Mikeska, S Yamamoto - arxiv preprint cond-mat/9610109, 1996 - arxiv.org
We study the low-temperature properties of S= 1 and 1/2 alternating spin chains with
antiferromagnetic nearest-neighbor exchange couplings using analytical techniques as well …
antiferromagnetic nearest-neighbor exchange couplings using analytical techniques as well …
Elementary excitations of Heisenberg ferrimagnetic spin chains
S Yamamoto, S Brehmer, HJ Mikeska - Physical Review B, 1998 - APS
We numerically investigate elementary excitations of the Heisenberg alternating-spin chains
with two kinds of spins, 1 and 1/2, antiferromagnetically coupled to each other. Employing a …
with two kinds of spins, 1 and 1/2, antiferromagnetically coupled to each other. Employing a …
Non-Haldane spin-liquid models with exact ground states
AK Kolezhuk, HJ Mikeska - Physical review letters, 1998 - APS
We present a family of spin-ladder models which can be solved exactly for the ground state
and exhibit non-Haldane spin-liquid properties as predicted recently by Nersesyan and …
and exhibit non-Haldane spin-liquid properties as predicted recently by Nersesyan and …