Physics – Condensed Matter – Superconductivity
Scientific paper
2009-01-19
Physics
Condensed Matter
Superconductivity
4 pages, 1 figure, 25th international conference on Low Temperature Physics (Amsterdam, The Netherlands, August 6-13 2008) LT1
Scientific paper
10.1088/1742-6596/150/5/052177
We investigate the field-angle-dependent zero-energy density of states for YNi2B2C with using realistic Fermi surfaces obtained by band calculations. Both the 17th and 18th bands are taken into account. For calculating the oscillating density of states, we adopt the Kramer-Pesch approximation, which is found to improve accuracy in the oscillation amplitude. We show that superconducting gap structure determined by analyzing STM experiments is consistent with thermal transport and heat capacity measurements.
Harima Hisatomo
Hayashi Nobuhiko
Kato Yusuke
Nagai Yuki
Yamauchi Kunihiko
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