Giant spin rotation under quasiparticle-photoelectron conversion: Joint effect of sublattice interference and spin-orbit coupling
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Giant spin rotation under quasiparticle-photoelectron conversion: Joint effect of sublattice interference and spin-orbit coupling. / Kuemmeth, Ferdinand; Rashba, E I.
In: Physical Review B Condensed Matter, Vol. 80, 241409(R), 01.01.2009.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Giant spin rotation under quasiparticle-photoelectron conversion: Joint effect of sublattice interference and spin-orbit coupling
AU - Kuemmeth, Ferdinand
AU - Rashba, E I
PY - 2009/1/1
Y1 - 2009/1/1
N2 - Spin- and angular-resolved photoemission spectroscopy is a basic experimental tool for unveiling spin polarization of electron eigenstates in crystals. We prove, by using spin-orbit coupled graphene as a model, that photoconversion of a quasiparticle inside a crystal into a photoelectron can be accompanied with a dramatic change in its spin polarization, up to a total spin flip. This phenomenon is typical of quasiparticles residing away from the Brillouin-zone center and described by higher rank spinors and results in exotic patterns in the angular distribution of photoelectrons.
AB - Spin- and angular-resolved photoemission spectroscopy is a basic experimental tool for unveiling spin polarization of electron eigenstates in crystals. We prove, by using spin-orbit coupled graphene as a model, that photoconversion of a quasiparticle inside a crystal into a photoelectron can be accompanied with a dramatic change in its spin polarization, up to a total spin flip. This phenomenon is typical of quasiparticles residing away from the Brillouin-zone center and described by higher rank spinors and results in exotic patterns in the angular distribution of photoelectrons.
U2 - 10.1103/PhysRevB.80.241409
DO - 10.1103/PhysRevB.80.241409
M3 - Journal article
VL - 80
JO - Physical Review B
JF - Physical Review B
SN - 2469-9950
M1 - 241409(R)
ER -
ID: 44225384