glasses

Pattern formation in ultrathin magnetic films
Formación de patrones en películas magnéticas ultradelgadas

Some recent results - Algunos resultados recientes

Temperature vs. exchange coupling phase diagram in the infinite anisotropy (Ising) limit. Monte Carlo simulations See article.	Nematic configuration in the infinite anisotropy (Ising) limit. Monte Carlo simulation. See article.
Anisotropy vs. temperature phase diagram exhibiting the Spin Reorientation transition. Monte Carlo simulations. See article.	T = 0 (anisotropy vs. exchange coupling) phase diagram and domain wall patterns. Lines: analytical calculations. Symbols: Monte Carlo simulations See article.
External field h vs. temperature mean field phase diagram. See article.	Anisotropy vs. temperature mean field phase diagram. See article.
Monte Carlo simulations of ultrathin magnetic films on a wedge. See article.

Publications - Publicaciones

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Coexistence of dipolar frustration and criticality in ferromagnets
S. A. Cannas and A. Vindigni
Physical Review E 98, 062131 (2018) , doi: 10.1103/PhysRevE.98.062131
eprint: arXiv: 1806.06046

Critical exponents and scaling invariance in the absence of a critical point
N. Saratz, D. A. Zanin, U. Ramsperger, S. A. Cannas, D. Pescia, and A. Vindigni
Nature Communications 7, 13611 (2016), doi: 10.1038/ncomms13611
eprint arXiv:1410.7686

Modulated systems in external fields: Conditions for the presence of reentrant phase diagrams
A. Mendoza-Coto, O. V. Billoni, S. A. Cannas and D. A. Stariolo
Physical Review B 94, 054404 (2016), doi: 10.1103/PhysRevB.94.054404
eprint arXiv:1606.02607

Anisotropy based mechanism for zigzag striped patterns in magnetic thin films
O. V. Billoni, S. Bustingorry, M. Barturen, J. Milano, and S. A. Cannas
Physical Review B 89, 184420 (2014), doi: 10.1103/PhysRevB.89.184420
eprint arXiv:1307.1328

Finite temperature phase diagram of ultrathin magnetic films without external fields
Santiago A. Pighin, Orlando V. Billoni and Sergio A. Cannas
Physical Review E 86, 051119 (2012), doi: 10.1103/PhysRevE.86.051119
eprint arXiv:1210.7486

Inverse transition in a two-dimensional dipolar frustrated ferromagnet
S. A. Cannas, M. A. Carubelli, O. V. Billoni, and D. A. Stariolo
Physical Review B 80, 014404 (2011). doi:.10.1103/PhysRevB.84.014404
eprint arXiv:1104.1737
Supplementary material:

T=0 phase diagram and nature of domains in ultrathin ferromagnetic films with perpendicular anisotropy
S. A. Pighin, O. V. Billoni, D. A. Stariolo and S. A. Cannas
Journal of Magnetism and Magnetic Materials 322, 3889 (2010) doi: 10.1016/j.jmmm.2010.08.014
e-print:arXiv: 1006.1353

Interplay between coarsening and nucleation in an Ising model with dipolar interactions
S. A. Cannas, M. F. Michelon, D. A. Stariolo and F. A. Tamarit.
Physical Review E 78, 051602 (2008). doi:10.1103/PhysRevE.78.051602 -
eprint: arXiv:0807.3536v1.

The Spin Reorientation Transition and Phase Diagram of Ultrathin Ferromagnetic Films
M. Carubelli, O. V. Billoni, S. A. Pighin, S. A. Cannas, D. A. Stariolo and F. A. Tamarit.
Physical Review B 77, 134417 (2008) - eprint: arXiv:0712.2426.

Phase diagram of an Ising model for ultrathin magnetic films: Comparing mean field and Monte Carlo predictions
S. A. Pighín and S. A. Cannas.
Physical Review B 75, 224433 (2007) - eprint:cond-mat/0611260.

Ising nematic phase in ultra-thin magnetic films: a Monte Carlo study
S. A. Cannas, M. F. Michelon, D. A. Stariolo and F. A. Tamarit
Physical Review B 73, 184425 (2006) - eprint: cond-mat/0511058

Ultra-thin magnetic films and the structural glass transition: a modelling analogy
S. A. Cannas, F. A. Tamarit, P. M. Gleiser and D. A. Stariolo,
"Complexity, metastability and nonextensivity", Proceedings of the 31st Workshop of the International School of Solid State Physics (Erice, Italy)
C. Beck, G. Benedek, A. Rapisarda, C. Tsallis Eds., pp. 220-229 (World Scientific, 2005).

Two dimensional Ising model with long-range competing interactions.
S. A. Cannas, P. M. Gleiser and F. A. Tamarit,
Recent Research Developments in Physics, Vol.5, Part II, pp.751
(Transworld Research Network, 2004).

Stripe-tetragonal first order phase transition in ultrathin magnetic films
S.A. Cannas, D. A. Stariolo and F. A. Tamarit,
Physical review B 69, 092409 (2004) - e-print: cond-mat/0312531. .

Slow dynamics in a 2D Ising model with competing interactions
P.M. Gleiser, F.A. Tamarit, S.A. Cannas and M. A. Montemurro
Physical Review B 68, 134401 (2003), - e-print: cond-mat/0212617 .

Metastable states in a two dimensional Ising model with dipolar interactions
P.M. Gleiser, F.A. Tamarit and S.A. Cannas
Physica D (2002) 168-169, 73-79 (2002).

Violation of the fluctuation-dissipation theorem in a two dimensional Ising model with dipolar interactions
D. A. Stariolo and S. A. Cannas
Physical Review B 60, 3013 (1999).

Aging in a two dimensional Ising model with dipolar interactions
J. H. Toloza, F. A. Tamarit and S. A. Cannas
Physical Review B 58, R8885-R8888 (1998).