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Article overview
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Twisted Boundary Magnetic Fields Induced Novel Effects on One-dimensional Antiferromagnetic Spin Chains | Wei Zhuo
; Xiaoqun Wang
; Yupeng Wang
; | Date: |
28 Dec 2004 | Subject: | Strongly Correlated Electrons; Mesoscopic Systems and Quantum Hall Effect | cond-mat.str-el cond-mat.mes-hall | Abstract: | The twisted boundary magnetic field effects on the one dimensional antiferromagnetic spin chains with spin half and spin one are studied via the density matrix renormalization group method. A spin voltage is introduced with the twisted boundary fields and the spin current are observed for the spin half chain. The correlation functions reveal the spiral nature of spin structure for both ground state and the spinon excitations for the spin half case. For the spin one chain, a kink is generated in the ground state and the midgap state is induced by small boundary fields. | Source: | arXiv, cond-mat/0501693 | Services: | Forum | Review | PDF | Favorites |
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