1996/04/16 by Jörg Schmalian, J. Schmalian, M. Langer +4 · 21 citations
Materials Science · Mathematics · Physics and Astronomy · #Advanced Condensed Matter Physics #Antiferromagnetism #Condensed matter physics #Cuprate #Fermi Gamma-ray Space Telescope #Fermi liquid theory #Fermi surface #Geometry #Hubbard model #Magnetic and transport properties of perovskites and related materials #Materials science #Mathematics #Momentum (technical analysis) #Order (exchange) #Physics #Physics of Superconductivity and Magnetism #Pseudogap #Quantum mechanics #Quasiparticle #Range (aeronautics) #Scattering #Scattering rate #Superconductivity #Surface (topology) #cond-mat
paper · pdf · doi:10.1103/physrevb.54.4336
published in Physical review. B, Condensed matter 54(6), 4336-4340 (American Physical Society) · 5 pages, Revtex, 4 postscript figures
arxiv created 1996/04/16 · openalex publication_date 1996/08/01 · openalex created_date 2016/06/24 · arxiv updated 2016/08/31 · openalex updated_date 2026/08/05
Using the fluctuation exchange approximation of the one-band Hubbard model, we discuss the origin of the changing Fermi surface volume in underdoped cuprate systems due to the transfer of occupied states from the Fermi surface to its shadow, resulting from strong dynamical antiferromagnetic short-range correlations. The momentum and temperature dependence of the quasiparticle scattering rate shows unusual deviations from the conventional Fermi-liquid-like behavior. Their consequences for the changing Fermi surface volume are discussed. Here, we investigate in detail which scattering processes might be responsible for a violation of the Luttinger theorem. Finally, we discuss the formation of hole pockets near half filling. \textcopyright 1996 The American Physical Society.