Collège Doctoral - Doktorandenkollegien

Statistical Physics of Complex Systems

Coventry - Leipzig - Lviv - Nancy

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Former student

Personal data:


Oleksandr Kapikranian

Nancy

kapikran AT lpm DOT u-nancy DOT fr



Thesis advisor(s):

Bertrand Berche, Yurij Holovatch

Thesis title:

Propriétés basse température de systèmes de spins de symétrie continue

List of publications:

[6] Influence of disorder on the low temperature behaviour of two-dimensional spin models with continuous symmetry
Kapikranian O.
PhD thesis (2009)
[5] Interplay of topological and structural defects in the 2D XY model
Kapikranian O., Berche B. and Holovatch Yu.
Phys. Lett. A 372 (2008) 5716-5721
[4] Finite size induced phenomena in 2D classical spin models
Kapikranian O., Berche B., Holovatch Yu.
Problems in Atomic Sc. and Tech., 3 (2007) 376-379
[3] The 2D XY model on a finite lattice with structural disorder: quasi-long-range ordering under realistic conditions
Kapikranian O., Berche B., Holovatch Yu.
European Physical Journal B 56 (2007) 93-105
[2] Perturbation expansion for the diluted two-dimensional XY model
Kapikranian O., Berche B. and Holovatch Yu.
Physics Letters A 366 (2007) 150-154
[1] Quasi-long-range ordering in a finite-size 2D Heisenberg model
Kapikranian O., Berche B. and Holovatch Yu.
J. Phys. A: Math. Theor. 40 (2007) 3741


Seminars

12/09/2011 Bond dilution in the 2d XY model
21/01/2009 PhD defence
08/09/2008 Influence of disorder on the low-temperature behaviour of two-dimensional spin models with continuous symmetry
15/11/2007 Vortices in the 2d XY model: standard theory and effect of non magnetic impurities
02/10/2007 Vortices in the 2d XY model: standard theory + non magnetic impurities
24/04/2007 From 1d fermions to 2d XY spins
07/03/2006 Spin wave approximation in disordered XY and Heisenberg models in 2d


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