Authors: Matsuda, M Katsumata, K Eccleston, RS Brehmer, S Mikeska, HJ

Citation: M. Matsuda et al., Magnetic excitations and exchange interactions in the spin-1/2 two-leg ladder compound La6Ca8Cu24O41, PHYS REV B, 62(13), 2000, pp. 8903-8908

Authors: Matsuda, M Katsumata, K Eccleston, RS Brehmer, S Mikeska, HJ

Citation: M. Matsuda et al., Magnetic excitations from the S=1/2 two-leg ladders in La6Ca8Cu24O41, J APPL PHYS, 87(9), 2000, pp. 6271-6273

Authors: Brehmer, S Mikeska, HJ Muller, M Nagaosa, N Uchida, S

Citation: S. Brehmer et al., Effects of biquadratic exchange on the spectrum of elementary excitations in spin ladders, PHYS REV B, 60(1), 1999, pp. 329-334