Volume 84, Number 5, December 2008
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||16 December 2008|
Spin-Charge separation in two dimensions
Università di Roma “Tor Vergata” - Viale della Ricerca Scientifica, 00133 Roma, Italy, EU
Corresponding author: firstname.lastname@example.org
Accepted: 21 October 2008
The presence of Spin-Charge (SC) separation in two dimensions, which according to many is the root cause of the peculiar properties of high-Tc superconductors, is still rather controversial: theoretical results obtained through different methods and approximations apparently provide conflicting results. In this paper we prove that SC separation occurs in two dimensions, provided that the Fermi surface has flat pieces and the range of interaction is finite but large enough. SC separation emerges from the anomalies in the Ward Identities obtained from local phase transformations depending on the Fermi surface side.
PACS: 71.10.Hf – Non-Fermi-liquid ground states, electron phase diagrams and phase transitions in model systems / 71.10.Fd – Lattice fermion models (Hubbard model, etc.)
© EPLA, 2008
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.