Physics – Condensed Matter – Superconductivity
Scientific paper
2006-05-19
Nature Physics 2, 447 (2006)
Physics
Condensed Matter
Superconductivity
to appear, Nature Physics (July 2006)
Scientific paper
The pseudogap phase in the cuprates is a most unusual state of matter: it is a metal, but its Fermi surface is broken up into disconnected segments known as Fermi arcs. Using angle resolved photoemission spectroscopy, we show that the anisotropy of the pseudogap in momentum space and the resulting arcs depend only on the ratio T/T*(x), where T*(x) is the temperature below which the pseudogap first develops at a given hole doping x. In particular, the arcs collapse linearly with T/T* and extrapolate to zero extent as T goes to 0. This suggests that the T = 0 pseudogap state is a nodal liquid, a strange metallic state whose gapless excitations are located only at points in momentum space, just as in a d-wave superconductor.
Campuzano Juan-Carlos
Chatterjee Utpal
Fretwell Helen M.
Hinks D.
Kadowaki Kazuo
No associations
LandOfFree
From Fermi Arcs to the Nodal Metal: Scaling of the Pseudogap with Doping and Temperature 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 From Fermi Arcs to the Nodal Metal: Scaling of the Pseudogap with Doping and Temperature, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and From Fermi Arcs to the Nodal Metal: Scaling of the Pseudogap with Doping and Temperature will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-243353