A Luttinger Liquid in Box

Details A Luttinger Liquid in Box A Luttinger Liquid in Box

2003-02-28

arxiv.org/abs/cond-mat/0302625v2

Phys. Rev. B 68, 241301(R) (2003).

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages in revtex4 format including 3 epsf-embedded figures. The latest version in PDF format is available from http://fy.ch

Scientific paper

10.1103/PhysRevB.68.241301

We study a Luttinger Liquid in a finite one-dimensional wire with box-like boundary conditions by considering the local distribution of the single particle spectral weight. This corresponds to the experimental probability of extracting a single electron at a given place and energy, which can be interpreted as the square of an electron wave-function. For the non-interacting case, this is given by a standing wave at the Fermi wave-vector. In the presence of interactions, however, the wave-functions obtain additional structure with a sharp depletion near the edges and modulations throughout the wire. In the spinful case, these modulations correspond to the separate spin- and charge-like excitations in the system.

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