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キーワード:
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要旨:
We report measurements of the resistivity and the specific heat,
performed as a function of temperature, magnetic field, and hydrostatic
pressure on the antiferromagnetic (T(N)=14 K) heavy-fermion
superconductor (T(c)=2 K) UPd2Al3. Our results suggest a coexistence of
two subsystems with more localized 5f states responsible for the
magnetic properties and less localized states responsible for the
superconducting properties. The latter are compatible with an order
parameter of octagonal d-wave symmetry.
