Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Ananikyan, L N"'
We have established a quantum antiferromagnetic Heisenberg-Ising model on a spin-1/2 pyrochlore edge-shared ladder with Heisenberg intra-rung and Ising inter-rung interactions as a perspicuous candidate to exhibit magnetization mid and zero plateaus,
Externí odkaz:
http://arxiv.org/abs/1701.01880
Publikováno v:
Solid State Communications 203 (2015) 5-9
Thermal entanglement, magnetic and quadrupole moments properties of the mixed spin-1/2 and spin-1 Ising-Heisenberg model on a diamond chain are considered. Magnetization and quadrupole moment plateaus are observed for the antiferromagnetic couplings.
Externí odkaz:
http://arxiv.org/abs/1412.0808
Publikováno v:
JETP Letters 94, 39 (2011)
The magnetic properties of the antiferromagnetic Potts model with two-site interaction and the antiferromagnetic Ising model with three-site interaction on recursive lattices have been studied. A cyclic period-3 window has been revealed by the recurr
Externí odkaz:
http://arxiv.org/abs/1306.1131
Publikováno v:
J. Phys.: Condens. Matter 24 (2012) 256001
The entanglement quantum properties of a spin-1/2 Ising-Heisenberg model on a symmetrical diamond chain were analyzed. Due to the separable nature of the Ising-type exchange interactions between neighboring Heisenberg dimers, calculation of the entan
Externí odkaz:
http://arxiv.org/abs/1110.6406
Publikováno v:
Phys. Scr. 83 (2011) 055702
The incipient quantum phase transitions of relevance to nonzero fluctuations and entanglement in Heisenberg clusters are studied in this paper by exploiting negativity as a measure in bipartite and frustrated spin-1 anisotropic Heisenberg clusters wi
Externí odkaz:
http://arxiv.org/abs/1106.5378
Publikováno v:
J. Phys. A: Math. Theor. 44 (2011) 025001
The magnetic and entanglement thermal (equilibrium) properties in spin-1/2 Ising-Heisenberg model on a triangulated Kagome lattice are analyzed by means of variational mean-field like treatment based on Gibbs-Bogoliubov inequality. Because of the sep
Externí odkaz:
http://arxiv.org/abs/1012.5478
Publikováno v:
Fractals 18:371-383,2010
We considered Q-state Potts model on Bethe lattice in presence of external magnetic field for Q<2 by means of recursion relation technique. This allows to study the phase transition mechanism in terms of the obtained one dimensional rational mapping.
Externí odkaz:
http://arxiv.org/abs/1012.2011
Autor:
Ananikyan, L. N., Ivanov, N. Ya.
Publikováno v:
Nucl.Phys.B762:256-283,2007
We calculate the azimuthal dependence of the heavy-quark-initiated ${\cal O}(\alpha_{s})$ contributions to the lepton-nucleon deep inelastic scattering (DIS). It is shown that, contrary to the photon-gluon fusion (GF) component, the photon-quark scat
Externí odkaz:
http://arxiv.org/abs/hep-ph/0701076
Publikováno v:
Physica A 377, 501-513 (2007)
The lattice spin model with $Q$--component discrete spin variables restricted to have orientations orthogonal to the faces of $Q$-dimensional hypercube is considered on the Bethe lattice, the recursive graph which contains no cycles. The partition fu
Externí odkaz:
http://arxiv.org/abs/cond-mat/0610534
Autor:
Ananikyan, L. N., Ivanov, N. Ya.
Publikováno v:
Phys.Rev.D75:014010,2007
We analyze the azimuthal dependence of the heavy-quark-initiated contributions to the lepton-nucleon deep inelastic scattering (DIS). First we derive the relations between the parton level semi-inclusive structure functions and the helicity $\gamma^{
Externí odkaz:
http://arxiv.org/abs/hep-ph/0609074