Emerging one-dimensionality from self-organization of electrons in NbSe
arXiv:1612.04712
Abstract
Materials where the electron filling is close to commensurate filling provide one of the great challenges in materials science. Several proposals of unconventional orderings, where the electronic liquid self-organizes into components with distinct properties, were recently put forward, in particular in cuprates and pnictides where electronic nematic orders have been observed. The electrons self-organization is expected to yield complex intra and inter unit cell patterns, and a reduction of dimensionality. Nevertheless, an unambiguous experimental proof of such complex orders, namely the direct observation of distinct dispersions, is still missing. Here we report a Nano Angle Resolved Photo-emission Spectroscopy (Nano-ARPES) study of NbSe, a material that has been considered a paradigm of charge order. The new data (Fig.1) invalidate the canonical picture of imperfect nesting and reveals the emergence of a novel order. The electrons self-organization uncovers the one-dimensional (1D) physics hidden in a material which naively should be the most 3D of all columnar chalcogenides.
arXiv comment15 pages, 4 figures; Supplementary Material (14 pages) available upon request
References in corpus (11)
- Luttinger Liquid Behavior in Carbon Nanotubes
- Long-range incommensurate charge fluctuations in (Y,Nd)Ba2Cu3O(6+x)
- Intra-unit-cell electronic nematicity of the high-Tc copper-oxide pseudogap states
- Effect of magnetic frustration on nematicity and superconductivity in Fe chalcogenides
- Charge ordering in the electron-doped superconductor Nd2-xCexCuO4
- Phases of two coupled Luttinger liquids
- Hole crystallization in the spin ladder of Sr14Cu24O41
- Broken translational and rotational symmetry via charge stripe order in underdoped YBCO
- On the determination of the Fermi surface in high-Tc superconductors by angle-resolved photoemission spectroscopy
- Spin-charge separation in one-dimensional fermion systems beyond the Luttinger liquid theory
- Optical investigation of the charge-density-wave phase transitions in