[Tu-A1-G] Electron Correlations in Low-Dimensional Systems

9:00 AM - 9:30 AM JST(12:00 AM - 12:30 AM UTC)

[Tu-A1-G-01 (Invited)] Experimental Evidence of Fractional Entropy in Critical Kondo Systems

Colin Piquard^1,2, Alexandre Veillon^1,2, Yosuke Sato^1,2, Francesca Zanichelli^1,2, Abdelhanin Aassime^1,2, Antonella Cavanna^1,2, Ulf Gennser^1,2, Andrew K Mitchell³, Anne Anthore^1,2,4, 〇Frederic Pierre^1,2 (1. Paris-Saclay Univ. (France), 2. CNRS (France), 3. University College Dublin (Ireland), 4. Université Paris Cité (France))

I will present experimental evidence for the low-temperature fractional entropy associated with a non-Abelian anyon. This thermodynamic signature is measured in a charge-Kondo circuit realizing the two-channel and three-channel Kondo quantum critical states, by exploiting a Maxwell relation.