Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2007-09-04
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Scientific paper
10.1143/PTP.118.377
The exact Green's functions of a finite-size Luttinger Liquid (LL) connected to impedances are computed at zero and finite temperature. Bosonization for a LL with Impedance boundary conditions (IBC) is proven to hold. The LL with open boundary conditions (for both Neumann and Dirichlet cases) is explicitly recovered as a special limit when one has infinite impedances. Additionally when the impedances are equal to the characteristic impedance of the Luttinger liquid then the finite Luttinger liquid is shown to be effectively equivalent to an infinite Luttinger liquid.
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