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  Unusual ground-state properties of UPd2Al3: Implications for the coexistence of heavy-fermion superconductivity and local-moment antiferromagnetism

Caspary, R., Hellmann, P., Keller, M., Sparn, G., Wassilew, C., Köhler, R., et al. (1993). Unusual ground-state properties of UPd2Al3: Implications for the coexistence of heavy-fermion superconductivity and local-moment antiferromagnetism. Physical Review Letters, 71(13), 2146-2149. doi:10.1103/PhysRevLett.71.2146.

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Caspary, R.1, Author
Hellmann, P.1, Author
Keller, M.1, Author
Sparn, G.1, Author
Wassilew, C.1, Author
Köhler, R.1, Author
Geibel, C.1, Author
Schank, C.1, Author
Steglich, F.2, Author           
Phillips, N. E.1, Author
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1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: 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.

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 Dates: 1993-09-27
 Publication Status: Issued
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 71 (13) Sequence Number: - Start / End Page: 2146 - 2149 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1