TY - JOUR
T1 - Fermi surface reconstruction inside the hidden order phase of URu 2Si2 probed by thermoelectric measurements
AU - Pourret, Alexandre
AU - Palacio-Morales, Alexandra
AU - KräMer, Steffen
AU - Malone, Liam
AU - Nardone, Marc
AU - Aoki, Dai
AU - Knebel, Georg
AU - Flouquet, Jacques
PY - 2013/3
Y1 - 2013/3
N2 - We report thermoelectric measurements of the low carrier heavy fermion compound URu2Si2 at high fields up to 34 T and at low temperatures down to 500 mK. The field dependence of the thermoelectric power (TEP) and the Nernst signal shows successive anomalies deep inside the hidden order (HO) phase. The field position of these anomalies correspond to different changes in the Shubnikov-de Haas frequencies and effective masses around 12, 17, 23, and 30 T. These results indicate successive reconstructions of the Fermi surface, which imply electronic phase transitions well within the HO phase.
AB - We report thermoelectric measurements of the low carrier heavy fermion compound URu2Si2 at high fields up to 34 T and at low temperatures down to 500 mK. The field dependence of the thermoelectric power (TEP) and the Nernst signal shows successive anomalies deep inside the hidden order (HO) phase. The field position of these anomalies correspond to different changes in the Shubnikov-de Haas frequencies and effective masses around 12, 17, 23, and 30 T. These results indicate successive reconstructions of the Fermi surface, which imply electronic phase transitions well within the HO phase.
KW - Hidden order
KW - Nernst effect
KW - Thermoelectric power
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U2 - 10.7566/JPSJ.82.034706
DO - 10.7566/JPSJ.82.034706
M3 - Article
AN - SCOPUS:84874713111
SN - 0031-9015
VL - 82
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
IS - 3
M1 - 034706
ER -