Universal Dispersive Excitations in the High-Temperature Superconductors

Details Universal Dispersive Excitations in the High-Temperature Superconductors Universal Dispersive Excitations in the High-Temperature Superconductors

2004-03-17

arxiv.org/abs/cond-mat/0403439v2

Physics

Condensed Matter

Superconductivity

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.93.147002

High-resolution neutron scattering experiments on optimally doped La$_{2-x}$Sr$_x$CuO$_4$ have been performed which reveal that the magnetic excitations are dispersive. The dispersion is found to be the same as in the YBa$_2$Cu$_3$O$_{6+x}$ family, and is quantitatively related to that observed with charge sensitive probes. The excitations are also found to broaden rapidly with increasing energy, forming a continuum at higher energy, and bear a remarkable resemblance to multi-particle excitations observed in low-dimensional antiferromagnets and some magnetic metals. The magnetic correlations are two dimensional, and so rule out the simplest scenarios where the copper oxide planes are subdivided into weakly interacting one-dimensional magnets.

Affiliated with

Also associated with

No associations

Rating

Universal Dispersive Excitations in the High-Temperature Superconductors 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 Universal Dispersive Excitations in the High-Temperature Superconductors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Universal Dispersive Excitations in the High-Temperature Superconductors will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-151868