Tunneling into strongly biased Tomonaga-Luttinger liquidM. Trushin1, 2 and A. L. Chudnovskiy1
1 1. Institut für Theoretische Physik, Universität Hamburg - Jungiusstr 9, D-20355 Hamburg, Germany, EU
2 1. Institut für Theoretische Physik, Universität Regensburg - D-93040 Regensburg, Germany, EU
received 25 October 2007; accepted in final form 15 February 2008; published April 2008
published online 12 March 2008
We calculate the tunneling density of states for a Tomonaga-Luttinger liquid placed under a strong bias voltage. For the tunneling through a side-coupled point contact, one can observe the power law singularities in the tunneling density of states separately for the right- and left-movers despite the point-like tunnel contact. The calculated nonequilibrium tunneling exponents differ strongly from the equilibrium case.
71.10.Pm - Fermions in reduced dimensions (anyons, composite fermions, Luttinger liquid, etc.).
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