TY - JOUR
T1 - Collapse and enhancement of the heavy fermion state in CeCu6 under magnetic field and pressure
AU - Hirose, Yusuke
AU - Sakaguchi, Jyunya
AU - Ohya, Masahiro
AU - Matsushita, Masaki
AU - Honda, Fuminori
AU - Settai, Rikio
AU - Onuki, Yoshichika
PY - 2012/9
Y1 - 2012/9
N2 - We measured the electrical resistivity under magnetic field and pressure and de Haas van Alphen (dHvA) oscillations in CeCu6. The A value in the Fermi liquid relation of the electrical resistivity ρ = ρ0 + AT 2 and the cyclotron effective mass are reduced with increasing magnetic fields and pressures. The A value, however, becomes distinct and/or is enhanced at the metamagnetic field, especially, in a characteristic pressure region where the electronic state deviates from the heavy fermion state, for example, at 2.00 GPa.
AB - We measured the electrical resistivity under magnetic field and pressure and de Haas van Alphen (dHvA) oscillations in CeCu6. The A value in the Fermi liquid relation of the electrical resistivity ρ = ρ0 + AT 2 and the cyclotron effective mass are reduced with increasing magnetic fields and pressures. The A value, however, becomes distinct and/or is enhanced at the metamagnetic field, especially, in a characteristic pressure region where the electronic state deviates from the heavy fermion state, for example, at 2.00 GPa.
KW - Cyclotron effective mass
KW - Heavy fermion
KW - Metamagnetism
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U2 - 10.1143/JPSJS.81SB.SB009
DO - 10.1143/JPSJS.81SB.SB009
M3 - Article
AN - SCOPUS:84871752388
VL - 81
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
SN - 0031-9015
IS - SUPPL.B
M1 - SB009
ER -