Enhancement of antiferromagnetic correlations induced by nonmagnetic impurities: Origin and predictions for NMR experiments

M Laukamp, GB Martins, C Gazza, AL Malvezzi… - Physical Review B, 1998 - APS
Spin models that have been proposed to describe dimerized chains, ladders, two-
dimensional antiferromagnets, and other compounds are studied here when some spins are …

Static and dynamic structure factors in the Haldane phase of the bilinear-biquadratic spin-1 chain

A Schmitt, KH Mütter, M Karbach, Y Yu, G Müller - Physical Review B, 1998 - APS
The excitation spectra of the T= 0 dynamic structure factors for the spin, dimer, and trimer
fluctuation operators as well as for the center fluctuation operator in the one-dimensional S …

One-dimensional quantum spin liquids

P Lecheminant - Frustrated spin systems, 2013 - World Scientific
This chapter is intended as a brief overview of some of the quantum spin liquid phases with
unbroken SU (2) spin symmetry available in one dimension. The main characteristics of …

One-dimensional spin liquids

P Lecheminant - Frustrated Spin Systems, 2004 - World Scientific
This chapter is intended as a brief overview of some of the zero-temperature quantum spin
liquid phases with unbroken SU (2) spin symmetry that have been found in one dimension …

Heisenberg magnetic chain with single-ion easy-plane anisotropy: Hubbard operators approach

DV Spirin, YA Fridman - Journal of magnetism and magnetic materials, 2003 - Elsevier
We investigate the gap in excitation spectrum of one-dimensional S= 1 ferro-and
antiferromagnets with easy-plane single-ion anisotropy. The self-consistent modification of …

Etude des phases topologiques de type Haldane par l'intermédiaire d'un système de fermions alcalno-terreux ultrafroids de type double-puits

P Fromholz - 2018 - theses.hal.science
Les phases topologiques sont des phases qui existent au delà du paradigme de Ginzburg-
Landau qui dominait jusqu'à présent la compréhension des phases et transitions de phases …

[图书][B] Dynamics of one-dimensional quantum spin systems with competing interactions at zero temperature

Y Yu - 1996 - search.proquest.com
This dissertation reports three projects on the zero-temperature dynamics of some prominent
one-dimensional (1D) quantum spin systems. A common feature of all three model systems …