Magnetic breakdown induced Peierls transition
Artikel i vetenskaplig tidskrift, 2008

We predict a new type of phase transition in a quasi-one-dimensional system of interacting electrons at high magnetic fields, the stabilization of a density wave which transforms a two-dimensional open Fermi surface into a periodic chain of large pockets with small distances between them. We show that quantum tunneling of electrons between the neighboring closed orbits enveloping these pockets transforms the electron spectrum into a set of extremely narrow energy bands and gaps that decreases the total electron energy, thus leading to a magnetic breakdown induced density wave ground state analogous to the well-known instability of the Peierls type.

magnetic breakdown

phase transition

Peierls transition

Författare

Anatoli M. Kadigrobov

Göteborgs universitet

Aleksa Bjelis

Danko Radic

Göteborgs universitet

Physical Review Letters

0031-9007 (ISSN) 1079-7114 (eISSN)

Vol. 100 20 206402-

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Fysik