SPring-8, the large synchrotron radiation facility

Speaker : Prof. Andrés Greco

Language : English

Affiliation : Facultad de Ciencias Exactas, Ingeniería y Agrimensura and Instituto de Física Rosario (Argentina)

Title : Charge excitations in the t-J model. Possible implications for high-Tc cuprate superconductors

Abstract :
Motivated by the growing evidence of the importance of charge fluctuations in cuprates, we study the t-J model in a large-N expansion. We analyze all possible charge instabilities as well as the charge excitation spectrum for both, electron-doped and hole-doped Mott insulators. We discuss our results in the context of the recent x-rays experiments in cuprates.

Organaizer：National Institutes for Quantum and Radiological Science and Technology（QST） Ishii Kenji
e-mail: kenjispring8.or.jp／PHS: 3128
Japan Synchrotron Radiation Research Institute （JASRI） Sakurai Yoshiharu
e-mail：sakuraispring8.or.jp／PHS：3803