Abstract

The results of a semiclassical variational calculation of the t-J model are presented. The generalized staggered flux phases are introduced. It is found that these flux phases are stable for a large parameter range of the phase diagram. An interesting feature of these flux phases is that for small doping they have the best potential energy and for larger doping they have the best kinetic energy. It is also found that only those flux phases that do not break the local time reversal and parity symmetries are energetically favored. For sufficiently small J/t and doping the spiral phase is stable.

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