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pro vyhledávání: '"Bai, Yujoung"'
Autor:
Bai, Yujoung
We study low-energy magnetic excitations of doped spin-ladders, based on an effective Hamiltonian describing interactions of mobile spin and background spins. The helicity modulus against fluctuations in the ladder plane as well as out-of-the-plane a
Externí odkaz:
http://arxiv.org/abs/cond-mat/9906365
Autor:
Bai, Yujoung, Lee, Sung-Ik
We study two-leg spin ladder systems analytically by using a t-J model which includes the interchain spin exchange and the interchain hopping term. The spin part is mapped to a quantum sine-Gordon model via a bosonization method that fully accounts f
Externí odkaz:
http://arxiv.org/abs/cond-mat/9906302
Autor:
Kim, Wan-Seon, Kang, W. N., Oh, S. J., Kim, Mun-Seog, Bai, Yujoung, Lee, Sung-Ik, Choi, Chang Ho, Ri, H. -C.
The Hall conductivities of HgBa_{2}CaCu_{2}O_{6+\delta}and HgBa_{2}Ca_{2}Cu_{3}O_{8+\delta} thin films are investigated for a magnetic field parallel to the c axis. The mixed-state Hall conductivity for these compounds is well described by \sigma_{xy
Externí odkaz:
http://arxiv.org/abs/cond-mat/9904385
Autor:
Rasul, J W, Bai, Yujoung
Publikováno v:
Journal of Physics: Condensed Matter; 4/25/1994, Vol. 6 Issue 17, p3237-3244, 8p