%0 Journal Article %J Physical Review A %D 2017 %T Multicritical behavior in dissipative Ising models %A Vincent R. Overbeck %A Mohammad F. Maghrebi %A Alexey V. Gorshkov %A Hendrik Weimer %X

We analyze theoretically the many-body dynamics of a dissipative Ising model in a transverse field using a variational approach. We find that the steady state phase diagram is substantially modified compared to its equilibrium counterpart, including the appearance of a multicritical point belonging to a different universality class. Building on our variational analysis, we establish a field-theoretical treatment corresponding to a dissipative variant of a Ginzburg-Landau theory, which allows us to compute the upper critical dimension of the system. Finally, we present a possible experimental realization of the dissipative Ising model using ultracold Rydberg gases.

%B Physical Review A %V 95 %P 042133 %8 2017/04/26 %G eng %U https://journals.aps.org/pra/abstract/10.1103/PhysRevA.95.042133 %R doi.org/10.1103/PhysRevA.95.042133