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Studies on Magnetic Excitation Spectra of High-Tc Superconductors
Masafumi Ito, Yukio Yasui, Satoshi Iikubo +6
Magnetic excitation spectra c"(q,w) of YBa2Cu3Oy, La2-xSrxCuO4, La2-y-xNdySrxCuO4 and Nd2-xCexCuO4 are compared with those of model calculations, where q and w are the wave vector…
Charge fluctuation induced superconducting state in two-dimensional quarter-filled electron systems
Akito Kobayashi, Yasuhiro Tanaka, Masao Ogata +1
We investigate the superconducting (SC) state in two-dimensional extended Hubbard model at a quarter-filling with the on-site repulsive interaction () and the nearest-neighbor o…
Effects of "Stripes" on the Magnetic Excitation Spectra of La1.48Nd0.4Sr0.12CuO4
Masafumi Ito, Yukio Yasui, Satoshi Iikubo +4
The wave vector(q)- and energy(w)-dependent magnetic excitation spectra c"(q,w), have been studied in the temperature(T) range of 10 K<T<150 K on single crystals of La1.48Nd0.4Sr0.…