On Possible Coexistence of Superconductivity and Charge Density Wave in Hole Doped C$_{60}$

Details On Possible Coexistence of Superconductivity and Charge Density Wave in Hole Doped C$_{60}$ On Possible Coexistence of Superconductivity and Charge Density Wave in Hole Doped C$_{60}$

2001-11-26

arxiv.org/abs/cond-mat/0111500v1

Physics

Condensed Matter

8pages, 3 Postscript figures, ssarker@bama.ua.edu

Scientific paper

We study metallic behavior and superconductivity in C$_{60}$ materials in terms of a tight binding model characterized by an intramolecular, nonretarded attraction. It was shown previously that, at intermediate coupling, the model possesees a state in which s-wave superconductivity coexists with a charge density wave, the latter stabilized by intersite repulsion. The CDW causes $T_c$ to decrease near half filling. We examine the conditions under which such a state may exist in C$_{60}$. The key issue is the role of metallic screening which is treated in a parameter-free fashion. We show that screening is strong enough to stabilize a conventional (i.e., without a CDW) state in electron-doped C$_{60}$ and A$_3$C$_{60}$. But in hole-doped C$_{60}$, for which $T_c$ peaks away from half filling, a CDW-superconductor can not be ruled out. We discuss some normal state anomalies for such a state.

Affiliated with

Also associated with

No associations

Rating

On Possible Coexistence of Superconductivity and Charge Density Wave in Hole Doped C$_{60}$ does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with On Possible Coexistence of Superconductivity and Charge Density Wave in Hole Doped C$_{60}$, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On Possible Coexistence of Superconductivity and Charge Density Wave in Hole Doped C$_{60}$ will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-252160