Iranian Journal of Physics Research

From superconductivity near a quantum phase transition to superconducting graphite

Authors

S. S. Saxena
K. Ahilan
T. E. Weller
M. Ellerby
R. P. Smith
N. T. Skipper
S. Rowley
A. Kusmartseva
G. G. Lonzarich
Abstract
  The collapse of antiferromagnetic order as a function of some quantum tuning parameter such as carrier density or hydrostatic pressure is often accompanied by a region of superconductivity. The corresponding phenomenon in the potentially simpler case of itinerant-electron ferromagnetism, however, remains more illusive. In this paper we consider the reasons why this may be so and summaries evidence suggesting that the obstacles to observing the phenomenon are apparently overcome in a few metallic ferromagnets. A new twist to the problem presented by the recent discoveries in ferroelectric symmetric systems and new graphite intercalate superconductors will also be discussed.

Keywords

strongly correlated electrons
superconductivity
magnetism
ferroelectricity
intercalated graphite
quantm phase transitions
Iranian Journal of Physics Research
Volume 6, Issue 3
Summer 2006
Pages 230-230

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