Quasiparticle Energy Dispersion and Shadow Peaks in a Doped SO(5) Symmetric Ladder

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dc.creatorHong, Seung-Pyo
dc.creatorSalk, Sung-Ho Suck
dc.date1998-07-10
dc.date.accessioned2026-07-25T16:08:42Z
dc.descriptionMean field and exact diagonalization studies on the quasiparticle excitation of an SO(5) symmetric two-leg ladder system are reported. It is shown that the energy gap in the quasiparticle excitation is caused by the formation of rung singlet states. We find that shadow peaks can occur above the Fermi surface with antiferromagnetic electron correlations involving only rungs in the spin ladder.
dc.description13 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9807154
dc.identifierhttp://arxiv.org/abs/cond-mat/9807154
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/39630
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleQuasiparticle Energy Dispersion and Shadow Peaks in a Doped SO(5) Symmetric Ladder
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