Gauge theory description of spin ladders
Yutaka Hosotani · Journal of Physics A Mathematical and General · 1998
There was a factor 2 error in the evaluation of the mean-field energy on page L758, which affects various factors in the paper. Above equation (4) on page L758, the mean-field energy should be and equation (4) should read On page L759, above equation (9), . In equation (20), κ is given by In equation (21)