Journal
PHYSICAL REVIEW B
Volume 62, Issue 21, Pages 13930-13933Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.62.13930
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Based on the U(1) slave-boson functional integral approach to the t-J model Hamiltonian, we investigate the phase diagram of phase separation for the hole-doped two-dimensional system of antiferromagnets. We discuss the phase separation (into a hole-rich and a hole-free phase) as a function of J/t where J is the Heisenberg (antiferromagnetic) coupling constant and t the hopping energy. For the physically interesting region of relatively small Heisenberg coupling, 0
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