Cluster perturbation theory for spin Hamiltonians / Ovchinnikov A. S.,Bostrem I. G.,Sinitsyn Vl. E. // THEORETICAL AND MATHEMATICAL PHYSICS. - 2010. - V. 162, l. 2. - P. 179-187.

ISSN/EISSN:

0040-5779 / нет данных

Type:

Article

Abstract:

We extend cluster perturbation theory to quantum spin systems. As an application, we calculate the spectral function and the density of states of one-particle excitations of a chain of spin-1/2 particles with alternating exchange interaction.

Author keywords:

cluster perturbation theory; singlet magnetics; spin chain SPECTRAL WEIGHT; 2 DIMENSIONS; SYMMETRY; FIELD; ANTIFERROMAGNETS; TEMPERATURE; SYSTEMS; MODEL

DOI:

10.1007/s11232-010-0013-7

Web of Science ID:

ISI:000275463100004

Соавторы в МНС:

Другие поля

Поле	Значение
Month	FEB
Publisher	SPRINGER
Address	233 SPRING ST, NEW YORK, NY 10013 USA
Language	English
Keywords-Plus	SPECTRAL WEIGHT; 2 DIMENSIONS; SYMMETRY; FIELD; ANTIFERROMAGNETS; TEMPERATURE; SYSTEMS; MODEL
Research-Areas	Physics
Web-of-Science-Categories	Physics, Multidisciplinary; Physics, Mathematical
Author-Email	Alexander.Ovchinnikov@usu.ru Irene.Bostrem@usu.ru sinitsyn\_ve@mail.ru
ResearcherID-Numbers	Ovchinnikov, Alexander/B-9906-2009
ORCID-Numbers	Ovchinnikov, Alexander/0000-0002-1173-9260
Number-of-Cited-References	26
Usage-Count-Since-2013	3
Journal-ISO	Theor. Math. Phys.
Doc-Delivery-Number	567RA