Multiple bosonic mode coupling in the electron self-energy of (La2-xSrx)CuO4.
Phys Rev Lett
; 95(11): 117001, 2005 Sep 09.
Article
em En
| MEDLINE
| ID: mdl-16197033
ABSTRACT
High resolution angle-resolved photoemission spectroscopy data along the (0,0)-(pi,pi) nodal direction with significantly improved statistics reveal fine structure in the electron self-energy of the underdoped (La2-xSrx)CuO4 samples in the normal state. Fine structure at energies of (40-46) meV and (58-63) meV, and possible fine structure at energies of (23-29) meV and (75-85) meV, have been identified. These observations indicate that, in (La2-xSrx)CuO4, more than one bosonic modes are involved in the coupling with electrons.
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MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Ano de publicação:
2005
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Article