corner
corner

Phys. Rev. B 56, R15537–R15540 (1997)

Correlation functions of interacting fermions at finite temperature and size

Download: PDF (133 kB) Buy this article Export: BibTeX or EndNote (RIS)

Sebastian Eggert and Ann E. Mattsson
Institute of Theoretical Physics, Chalmers University of Technology and Göteborg University, S-412 96 Göteborg, Sweden

Jari M. Kinaret
Department of Applied Physics, Chalmers University of Technology and Göteborg University, S-412 96 Göteborg, Sweden

Received 17 July 1997; published in the issue dated 15 December 1997

We present explicit expressions for the correlation functions of interacting fermions in one dimension which are valid for arbitrary system sizes and temperatures. The result applies to a number of very different strongly correlated systems, including mesoscopic quantum wires, quantum Hall edges, spin chains and quasi-one-dimensional metals. It is, for example, possible to calculate Coulomb blockade oscillations from our expression and determine their dependence on interaction strength and temperature. Numerical simulations show excellent agreement with the analytical results.

© 1997 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.56.R15537
DOI:
10.1103/PhysRevB.56.R15537
PACS:
73.23.Hk, 71.10.Pm, 71.27.+a