https://doi.org/10.1007/s100510050062
Optical and photoemission evidence for a Tomonaga-Luttinger liquid in the Bechgaard salts
1
Laboratorium für Festkörperphysik, ETH Zurich, 8093 Zurich, Switzerland
2
Institut de Physique Appliqué, École Polytechnique Fédérale de Lausanne,
1015 Lausanne, Switzerland
3
Department of Physics, University of California at Los Angeles, Los Angeles CA 90095-1547, USA
4
Department of Chemistry, University of Indiana, Bloomington IN 47405, USA
Received:
17
May
1999
Revised:
13
July
1999
Published online: 19 October 2012
Combined optical and photoemission experiments on the quasi-one dimensional Bechgaard salts reveal the non-Fermi liquid character of these prototype quasi-one dimensional interacting electron systems. We show that various aspects of the exotic normal state properties along the chains are consistent with the predictions of the Tomonaga-Luttinger liquid theory. We also discuss the effect of interchain coupling on the insulator-metal transition, associated with the electron confinement-deconfinement crossover.
PACS: 78.20.-e – Optical properties of bulk materials and thin films / 79.60.-i – Photoemission and photoelectron spectra / 71.27.+a – Strongly correlated electron systems; heavy fermions
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2000
