ELFT HÍRADÓ

[Andras Palyi <andraspalyi AT caesar.elte.hu>]

Az ELTE Nanofizika Szeminarium jovo hetfoi eloadasa:


Penc Karlo (Wigner FK): 
Spin liquid phases in the SU(4) and SU(3) Heisenberg model on the honeycomb 
lattice

Idopont: 2014. februar 10., hetfo, 10:15
Helyszin: ELTE Eszaki Tomb, 5.128-as terem (1117 Budapest, Pazmany Peter 
setany 1/A)


Kivonat:
"SU(N) Heisenberg model is the effective model of Mott insulators with N 
degrees of freedom per site, when the interaction is highly symmetrical. Such 
a situation may happen for spin-orbital systems and for ultracold 
alkaline-earth atoms in optical lattices. Using a combination of analytical 
and numerical methods, we studied the zero temperature properties of the 
model on honeycomb lattice for different values of N. In the seminar, I will 
present our recent findings for the spin-orbital liquid in the SU(4) 
Heisenberg model on the honeycomb lattice, with algebraic decay of 
correlations. Furthermore, for the SU(3) case, I will discuss the competition 
between ordered and plaquette states. "

Minden erdeklodot szivesen latunk.

A szeminarium tovabbi programja: 
http://wigner.elte.hu/koltai/science/?q=seminar

Udvozlettel,
Palyi Andras