title: Complete Fermi surface in BaFe2As2 observed via Shubnikov-de Haas oscillation measurements on detwinned single crystals.
abstract: We show that the Fermi surface (FS) in the antiferromagnetic phase of BaFe(2)As(2) is composed of one hole and two electron pockets, all of which are three dimensional and closed, in sharp contrast to the FS observed by angle-resolved photoemission spectroscopy. Considerations on the carrier compensation and Sommerfeld coefficient rule out existence of unobserved FS pockets of significant sizes. A standard band structure calculation reasonably accounts for the observed FS, despite the overestimated ordered moment. The mass enhancement, the ratio of the effective mass to the band mass, is 2-3.
authors: National Institute for Materials Science, Tsukuba, Ibaraki 305-0003, Japan.
authors: Taichi
authors: T
authors: Terashima
authors: Nobuyuki
authors: N
authors: Kurita
authors: Megumi
authors: M
authors: Tomita
authors: Kunihiro
authors: K
authors: Kihou
authors: Chul-Ho
authors: CH
authors: Lee
authors: Yasuhide
authors: Y
authors: Tomioka
authors: Toshimitsu
authors: T
authors: Ito
authors: Akira
authors: A
authors: Iyo
authors: Hiroshi
authors: H
authors: Eisaki
authors: Tian
authors: T
authors: Liang
authors: Masamichi
authors: M
authors: Nakajima
authors: Shigeyuki
authors: S
authors: Ishida
authors: Shin-ichi
authors: S
authors: Uchida
authors: Hisatomo
authors: H
authors: Harima
authors: Shinya
authors: S
authors: Uji