Competition Between Charge-Density Waves and Superconductivity in Striped Systems

Details Competition Between Charge-Density Waves and Superconductivity in Striped Systems Competition Between Charge-Density Waves and Superconductivity in Striped Systems

2004-09-27

arxiv.org/abs/cond-mat/0409693v1

Physics

Condensed Matter

Strongly Correlated Electrons

Proceedings of SCES 04, 2 pages

Scientific paper

10.1016/j.physb.2005.01.171

Switching on interchain coupling in a system of one-dimensional strongly interacting chains often leads to an ordered state. Quite generally, there is a competition between an insulating charge-density-wave and a superconducting state. In the case of repulsive interactions, charge-density wave usually wins over superconductivity. Here, we show that a suitable modulation in the form of a period 4 bond-centered stripe can reverse this balance even in the repulsive case and produce a superconducting state with relatively high temperature.

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