A struggle for the Fermi surface: density waves vs. superconductivity

Sergey Borysenko

IFW Dresden, Institute for Solid State Research, Dresden, Germany

We characterize the pseudogap in HTSC cuprates and in CDW-bearing transition metal dichalcogenides by means of very high resolution ARPES. The size, the degree of momentum anisotropy, the character of the spectral weight depletion and the temperature evolution clearly point to a possible common origin of the two pseudogaps.

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