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Possible Quasi-One-Dimensional Fermi Surface in La<sub><b>2</b>-<i><i>x</i></i></sub>Sr<sub><i><i>x</i></i></sub>CuO<sub><b>4</b></sub>
To reconcile the two experimental findings on La 2- x Sr x CuO 4 , namely, Fermi surface (FS) observed by angle-resolved photoemission spectroscopy and sharp incommensurate magnetic peaks by neutron scattering, we propose a picture that a quasi-one-dimensional FS (q-1dFS) is realized in each CuO 2 plane whose q-1d …