Stripes And Nodal Fermions As Two Sides Of The Same Coin

Details Stripes And Nodal Fermions As Two Sides Of The Same Coin Stripes And Nodal Fermions As Two Sides Of The Same Coin

2000-06-12

arxiv.org/abs/cond-mat/0006193v1

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 1 figure

Scientific paper

One of the central problems in High T_{c} superconductivity is to reconcile the abundant evidence for stripe-like physics at `short' distances with the equally convincing evidence for BCS like physics at large distance scales (the `nodal fermions'). Our central hypothesis is that the duality notion applies: the superconductor should be viewed as a condensate of topological excitations associated with the fully ordered stripe phase. As we will argue, the latter are not only a form of `straighforward' spin and charge order but also involve a form of `hidden' or `topological' long range order which is also responsible for the phenomenon of spin-charge separation in 1+1D. The topological excitation associated with the destruction of this hidden order is of the most unusual kind. We suggest that the associated disorder field theory has a geometrical, gravity like structure concurrent with topological phases with no precedent elsewhere.

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