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- Title
Is Nematicity in Cuprates Real?
- Authors
Božović, Ivan; He, Xi; Bollinger, Anthony T.; Caruso, Roberta
- Abstract
In La2-xSrxCuO4 (LSCO), a prototype high-temperature superconductor (HTS) cuprate, a nonzero transverse voltage is observed in zero magnetic fields. This is important since it points to the breaking of the rotational symmetry in the electron fluid, the so-called electronic nematicity, presumably intrinsic to LSCO (and other cuprates). An alternative explanation is that it arises from extrinsic factors such as the film's inhomogeneity or some experimental artifacts. We confront this hypothesis with published and new experimental data, focusing on the most direct and sensitive probe—the angle-resolved measurements of transverse resistivity (ARTR). The aggregate experimental evidence overwhelmingly refutes the extrinsic scenarios and points to an exciting new effect—intrinsic electronic nematicity.
- Subjects
HIGH temperature superconductors; CUPRATES; ROTATIONAL symmetry; MAGNETIC fields; SYMMETRY breaking
- Publication
Condensed Matter, 2023, Vol 8, Issue 1, p7
- ISSN
2410-3896
- Publication type
Article
- DOI
10.3390/condmat8010007