English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

We report experimental evidence of emergent broken symmetry Fermi liquidstate in an isolated single crystalline nanorod of $\rm Pr_2 Ir_2 O_7$. We findclear signature of the onset of the Fermi liquid behavior at low temperaturemarked by the sign inversion of magnetoresistance from negative at hightemperature, characteristic of incoherent Kondo scattering, to positive as wellas a $\rm T^2$ dependence of resistivity at low temperature. A resistiveanomaly is observed, which is accompanied by thermal hysteresis in the presenceof magnetic field, suggesting itinerant metamagnetism. The observed high fieldnegative magnetoresistance with quadratic field dependence at low temperature,which is most likely due to suppression of itinerant spin fluctuation, and theirreversibility of the magneto-resistive properties in the Fermi liquid regimesuggest existence of an unusual state with broken spin rotation and timereversal symmetry, hallmark of `hastatic' order. The major features of suchtemperature dependence of resistivity and magnetoresistance can be explained ina phenomenological model incorporating two distinct hybridization channels,which is physically consistent with the possibility of the formation of the`hastatic' Fermi liquid phase.

Observation of Fermi liquid phase with broken symmetry in a single crystalline nanorod of Pr$_2$Ir$_2$O$_7$