Dr Carlos A. Lamas

Investigador PUE

Dr. Carlos A. Lamas.
Investigador Adjunto CONICET (link)
contacto: lamas.AT.fisica.unlp.edu.ar


Temas de interés:

  • Strongly correlated systems
  • Magnetic properties
  • Classical and quantum phase transitions

Actividades docentes:

  • Profesor adjunto, Facultad de Cs Exactas, UNLP

           Primer Semestre: Física1 Cibex

 

 
Publicaciones recientes:

Nematic quantum phases in the bilayer honeycomb antiferromagnet
H. Zhang, C. A. Lamas, M. Arlego, Wolfram Brenig

Preprint: arXiv:1712.08216


Magnetization process in a frustrated plaquette dimerized ladder

F. Elias, M. Arlego, C. A. Lamas

preprint: . arXiv:1704.01588

 


Quantum phase diagram of a frustrated antiferromagnet on the bilayer honeycomb lattice

Hao Zhang, Carlos A. Lamas, Marcelo Arlego, Wolfram Brenig
Journal-ref: Phys. Rev. B 93, 235150 (2016)

 

Dimerized ground states in spin-S frustrated systems

C.A. Lamas, J.M. Matera
Journal-ref: Phys. Rev. B 92, 115111 (2015)


Self consistent study of the quantum phases in a frustrated antiferromagnet on the bilayer honeycomb lattice

M. Arlego, C. A. Lamas, H. Zhang
Journal-ref: J. Phys.: Conf. Ser. 568 042019 (2014)

 

Diagnosing order by disorder in quantum spin systems

C. A. Lamas, D. C. Cabra, P. Pujol, G. L. Rossini
Journal-ref: Eur. Phys. J. B, 88 7 (2015) 176

 

Phase diagram study of a dimerized spin-S zig-zag ladder 

J.M. Matera, C.A. Lamas

http://arxiv.org/abs/1403.3737

Journal-ref: J. Phys.: Condens. Matter 26 (2014) 326004.


Quantum phases in the frustrated Heisenberg model on the bilayer honeycomb lattice

Hao Zhang, M. Arlego, C. A. Lamas

http://arxiv.org/abs/1312.6324

Journal-ref: Phys. Rev. B 89, 024403 (2014)

 

 

Exotic disordered phases in the quantum $J_1-J_2$ model on the honeycomb lattice

Hao Zhang, C. A. Lamas

http://arxiv.org/abs/1301.2428

Phys. Rev. B 87, 024415 (2013)


 

Statistics of holes and nature of superfluid phases in Quantum dimer models
C.A. Lamas, A. Ralko, M. Oshikawa, D. Poilblanc, P. Pujol
http://arxiv.org/abs/1210.1270

 


Broken discrete symmetries in a frustrated honeycomb antiferromagnet
H. D. Rosales, D. C. Cabra, C. A. Lamas, P. Pujol, M. E. Zhitomirsky
 arXiv:1208.2416

 


Statistical transmutation in doped quantum dimer models
C.A. Lamas, A. Ralko, D.C. Cabra, D. Poilblanc, P. Pujol
Phys. Rev. Lett. 109, 016403 (2012)

 

 

Combined analytical and numerical approach to study magnetization plateaux in doped quasi-one-dimensional antiferromagnets
C.A. Lamas, S. Capponi, P. Pujol
 Phys. Rev. B 84, 115125 (2011)
 ArXiv:1105.3527

 


Anharmonic effects in magnetoelastic chains
 D.C. Cabra, C.J. Gazza, C.A. Lamas, H.D. Rosales
{Journal-ref:}
 Phys. Rev. B 83, 224406 (2011)
 ArXiv:1104.1881


Evidence of a spin liquid phase in the frustrated honeycomb lattice.
 D.C. Cabra, C.A. Lamas, H.D. Rosales

Modern Physics Letters B (MPLB) 25, 891 (2011)
 ArXiv:1103.5888

 
Pomeranchuk instabilities in multicomponent lattice systems at finite Temperature.
  C.A. Lamas, D.C. Cabra, N. Grandi
 International Journal of Modern Physics B 25, 3539 (2011)
 ArXiv:1008.4155


Quantum disordered phase on the frustrated honeycomb lattice
  D.C. Cabra, C.A. Lamas, H.D. Rosales
 Phys. Rev. B 83, 094506 (2011)
 ArXiv:1003.3226


Generalized Pomeranchuk instabilities in graphene
  C.A. Lamas, D.C. Cabra, N. Grandi
Phys. Rev. B 80, 075108 (2009)
ArXiv:0812.4406


Fermi Liquid instabilities in two-dimensional lattice models
  C.A. Lamas, D.C. Cabra, N. Grandi
 Phys. Rev. B 78, 115104 (2008)
 ArXiv:0804.4422


Two-dimensional Hubbard Model in the presence of lattice distortions
  C.A. Lamas
J. Phys. Soc. Jpn. 78 (2009) 014602
 ArXiv:0708.4344


Comparison between disordered quantum spin 1/2 chains
  C.A. Lamas, D.C. Cabra, M.D. Grynberg, G.L. Rossini
Phys. Rev. B 74, 224435 (2006)
ArXiv:cond-mat/0607387