Static and dynamic image potential for tunneling into a Luttinger liquid

Details Static and dynamic image potential for tunneling into a Luttinger liquid Static and dynamic image potential for tunneling into a Luttinger liquid

2000-04-18

arxiv.org/abs/cond-mat/0004305v1

Sol. State Comm. 117,2 (2000) 93-97

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 2 figures

Scientific paper

10.1016/S0038-1098(00)00425-7

We study electron tunneling from a tip or a lead into an interacting quantum wire described by Luttinger liquid theory. Within a WKB-type approach, the Coulomb interaction between the wire and the tunneling electrons, as well as the finite traversal time are taken into account. Although the static image potential is only logarithmically suppressed against the bare Coulomb interaction, the dynamic image potential is not strong enough to alter power-law exponents entering the tunneling density of states.

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