Absence of quasiparticles in the photoemission spectra of quasi-one-dimensional Bechgaard salts

We measured typical quasi-one-dimensional organic metals (Bechgaard salts), using high resolution angle-resolved photoemission spectroscopy. We observe neither quasiparticle features near the chemical potential nor traces of a Fermi surface. The spectra, indicating a deep pseudogap around the Fermi energy, are incompatible with a Fermi liquid picture. None of the alternative interpretations we explored can fully explain the experimental data.


Published in:
Physical Review Letters, 79, 20, 3982-3985
Year:
1997
ISSN:
0031-9007
Keywords:
Note:
Univ calif los angeles,dept phys,los angeles,ca 90095. univ calif los angeles,dept chem,los angeles,ca 90095. univ wisconsin,dept phys,madison,wi 53706. univ bayreuth,d-95440 bayreuth,germany. Zwick, F, ECOLE POLYTECH FED LAUSANNE,INST PHYS APPL,CH-1015 LAUSANNE,SWITZERLAND.
ISI Document Delivery No.: YF786
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 Record created 2006-10-03, last modified 2018-03-18


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