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Electrical Resistivity and Thermal Expansion Measurements of URu2Si2 under Pressure
Gaku Motoyama, Nobuyuki Yokoyama, Akihiko Sumiyama +1
We carried out simultaneous measurements of electrical resistivity and thermal expansion of the heavy-fermion compound URu2Si2 under pressure using a single crystal. We observed a…
Quantum phase transitions of the asymmetric three-leg spin tube
Tôru Sakai, Masahiro Sato, Kouichi Okunishi +3
We investigate quantum phase transitions of the S=1/2 three-leg antiferromagnetic spin tube with asymmetric inter-chain (rung) exchange interactions. On the basis of the electron t…
Frustration-induced valence bond crystal and its melting in Mo3Sb7
T. Koyama, H. Yamashita, Y. Takahashi +4
121/123Sb nuclear quadrupole resonance and muon spin relaxation experiments of Mo3Sb7 revealed symmetry breakdown to a nonmagnetic state below the transition recently found at TS=5…
Specific Heat Study of Magnetic and Superconducting Transitions in CePt3Si
Gaku Motoyama, Katsuhiro Maeda, Yasukage Oda
Measurements of specific heat between 80 mK to 4 K and electrical resistivity between 80 mK to 10 K were carried out for polycrystalline CePt3Si samples cut into small pieces (typi…