Peierls instability and paraconductivity in Pseudo-one-dimensional conductors

Author(s):  
M. C. Leung
1987 ◽  
Vol 36 (4) ◽  
pp. 2257-2262 ◽  
Author(s):  
E. R. Gagliano ◽  
C. R. Proetto ◽  
C. A. Balseiro

2006 ◽  
Vol 128 (35) ◽  
pp. 11340-11341 ◽  
Author(s):  
Jin-Ho Choi ◽  
Jun-Hyung Cho

1966 ◽  
Vol 44 (10) ◽  
pp. 4005-4006 ◽  
Author(s):  
R. E. Merrifield

1992 ◽  
Vol 06 (11) ◽  
pp. 637-647
Author(s):  
ADRIAAN M. J. SCHAKEL

The Hubbard chain is extended so as to incorporate the Peierls instability which is a fundamental property of one-dimensional metals. The resulting theory is analysed in the continuum. In the limit of low-energy and long-wavelength it is described by the O(3) nonlinear sigma model. It is argued that the theory has two phases. In one phase the excitation spectrum is gapless, while in the other phase it has a gap. This qualitative difference between the two states is shown to arise from the fact that in the massless phase the O(3) model acquires a topological term. Besides changing the spectrum of the theory, this term is shown to also change statistics.


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