Vassilis Koulovassilopoulos

most citedThe Phase Diagram of the

U (2) \times U (2)

Sigma Model

3 citations · 3 across the 2 of their papers we have counts for

collaborators

2 papers

cond-mat.stat-mech1999

Patterns of consumption in socio-economic models with heterogeneous interacting agents

Giulia Iori, Vassilis Koulovassilopoulos

We study consumption behaviour in systems with heterogeneous interacting agents. Two different models are introduced, respectively with long and short range interactions among agen…

hep-lat1997★ 3 cited

The Phase Diagram of the $U (2) \times U (2)$ Sigma Model

D. Espriu, V. Koulovassilopoulos, A. Travesset

We study the phase diagram of the $U (2) \times U (2)$ scalar model in $d = 4$ dimensions. We find that the phase transition is of first order in most of the parameter space. The theor…

Patterns of consumption in socio-economic models with heterogeneous interacting agents

The Phase Diagram of the U(2)×U(2) Sigma Model

The Phase Diagram of the $U (2) \times U (2)$ Sigma Model