Zeeman splitting of zero-bias anomaly in Luttinger liquids

Details Zeeman splitting of zero-bias anomaly in Luttinger liquids Zeeman splitting of zero-bias anomaly in Luttinger liquids

2002-11-15

arxiv.org/abs/cond-mat/0211303v1

Phys. Rev. Lett. 91, 046801 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1103/PhysRevLett.91.046801

Tunnelling density of states (DoS) in Luttinger liquid has a dip at zero energy, commonly known as the zero-bias anomaly (ZBA). In the presence of a magnetic field, in addition to the zero-bias anomaly, the DoS develops two peaks separated from the origin by the Zeeman energy. We find the shape of these peaks at arbitrary strength of the electron-electron interaction. The developed theory is applicable to various kinds of quantum wires, including carbon nanotubes.

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