Derzhko O. Effects of anisotropy, regular nonuniformity and random disorder in low-dimensional spin models

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0504U000595

Thesis Registration Form

0504U000595.pdf

Applicant for

Specialization

  • 01.04.02 - Теоретична фізика

03-11-2004

Specialized Academic Board

Д35.156.01

Essay

Object: one- and two-dimensional magnets with regularly alternating/random parameters. Aim: theory of the thermodynamic and dynamic properties. Methods: fermionization, Green functions. Results: method for the study of thermodynamics of regularly alternating spin-1/2 XY chains; magnetization processes, spin-Peierls instabilities, quantum phase transitions; exactly solvable disordered quantum spin chains; structural instability of frustrated magnets in a magnetic field.

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Files

a_derzhko.doc

d_derzhko.pdf

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