2014/01/31 by Kangjun Seo, Sumanta Tewari · 16 citations
Materials Science · Physics and Astronomy · #Advanced Condensed Matter Physics #Charge (physics) #Charge density #Charge density wave #Condensed matter physics #Cuprate #Electrical resistivity and conductivity #Electron #Fermi level #Fermi surface #Hall effect #Magnetic and transport properties of perovskites and related materials #Phase (matter) #Phase diagram #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Seebeck coefficient #Superconductivity #cond-mat.str-el #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.90.174503
published in Physical Review B 90(17) (American Physical Society) · 6 pages, 5 eps figures; new version accepted in PRB
arxiv created 2014/10/14 · openalex publication_date 2014/11/07 · arxiv updated 2015/01/06 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
The recent discovery of an incipient charge-density wave (CDW) instability competing with superconductivity in a class of high-temperature cuprate superconductors has brought the role of charge order in the phase diagram of the cuprates under renewed focus. Here, we take a mean field Q1=(2\ensuremathπ/3,0) and Q2=(0,2\ensuremathπ/3) biaxial CDW state and calculate the Fermi-surface topology and the resulting Hall and Seebeck coefficients as a function of temperature and hole doping. We establish that, in the appropriate doping ranges where the low-temperature state (in the absence of superconductivity) is a CDW, the Fermi surface consists of electron pockets, resulting in the Hall and Seebeck coefficients becoming negative at low temperatures, as seen in experiments.