Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2002-06-18
Physics
Condensed Matter
Strongly Correlated Electrons
Submitted to SCES2002, Krakow
Scientific paper
We have made extensive reciprocal space maps in the heavy-fermion superconductor URu2Si2 using high-resolution time-of-flight single-crystal neutron diffraction to search for signs of a hidden order parameter related to the 17.5 K phase transition. Within the present sensitivity of the experiment (0.007 uB/U-ion for sharp peaks), no additional features such as incommensurate structures or short-range order have been found in the (h0l) or (hhl) scattering planes. The only additional low-temperature scattering observed was the well-known tiny antiferromagnetic moment of 0.03 uB/U-ion.
Bull Jonathan M.
Fåk B.
McEwen K. A.
Mydosh John A.
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