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cond-mat1995★ 5 cited
Gauge Theory for a Doped Antiferromagnet in a Rotating Reference-Frame
C. Kübert, A. Muramatsu
We study a doped antiferromagnet (AF) using a rotating reference-frame. Whereas in the laboratory reference-frame with a globally fixed spin-quantization axis (SQA) the long-wavele…
cond-mat1994
Quantum disordered phase in a doped antiferromagnet
C. Kuebert, A. Muramatsu
A quantitative description of the transition to a quantum disordered phase in a doped antiferromagnet is obtained with a U(1) gauge-theory, where the gap in the spin-wave spectrum…