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Article Dans Une Revue EPL - Europhysics Letters Année : 2010

Dramatic effective mass reduction driven by a strong potential of competing periodicity

Résumé

We present angle-resolved photoemission experiments on 1T-TiSe(2) at temperatures ranging from 13K to 288 K. The data evidence a dramatic renormalization of the conduction band below 100 K, whose origin can be related to the new potential responsible for the charge density wave phase at low temperature in this system. The renormalization translates into a substantial effective mass reduction of the dominant charge carriers and this observation is thus in opposition to the common belief that strong interactions produce heavier quasiparticles through an increased effective mass

Dates et versions

hal-00966308 , version 1 (26-03-2014)

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Citer

Claude Monney, Eike Schwier, Michael Gunnar Garnier, Corsin Battaglia, N. Mariotti, et al.. Dramatic effective mass reduction driven by a strong potential of competing periodicity. EPL - Europhysics Letters, 2010, 92 (4), pp.47003. ⟨10.1209/0295-5075/92/47003⟩. ⟨hal-00966308⟩

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