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Basic similarities among cuprate, bismuthate, organic, Chevrel-phase, and heavy-fermion superconductors shown by penetration-depth measurements
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Uemura, Y J
a,b,c,d,e,f
Le, L P
a,b,c,d,e,f
Luke, G M
a,b,c,d,e,f
Sternlieb, B J
a,b,c,d,e,f
Wu, W D
a,b,c,d,e,f
Brewer, J H
a,b,c,d,e,f
Riseman, T M
a,b,c,d,e,f
Seaman, C L
a,b,c,d,e,f
Maple, M B
a,b,c,d,e,f
Ishikawa, M
a,b,c,d,e,f
Hinks, D G
a,b,c,d,e,f
Jorgensen, J D
a,b,c,d,e,f
Saito, G
a,b,c,d,e,f
Yamochi, H
a,b,c,d,e,f
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1
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84927428223
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For general aspects of the muSR technique, see proceedings of previous muSR international conferences: Hyperfine Interact. 6, (1979); 8, (1981); 17-19 (1984); 31, (1986); 63-65 (to be published).
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4
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84927428221
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Y. J. Uemura, in Proceedings of the International Conference on Low Temperature Physics, LT-19, Brighton, England, 1990 (invited papers) [Physica (Amsterdam) B (to be published)].
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9
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84927428217
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These two papers give about 30% different values of the constant alpha for σ = α times 1/ λ2. For consistency with our earlier papers, here we use the constant alpha derived by Pincus et al. after modifying it for the triangular lattice. The choice of this constant does not affect the overall argument of the present paper.
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10
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3342975864
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In a clean high-Tcsuperconductor you do not see the gap
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For the cuprates, see, and recent resistivity studies. For BEDT, see G. Saito, Physica (Amsterdam) 162-164C, 577 (1989);
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(1990)
Physical Review Letters
, vol.64
, pp. 84
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Kamaras, K.1
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12
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84927428216
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For Chevrel systems, see Ø. Fischer, Appl. Phys. 16, 1 (1978)
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16
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84927428215
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P. Birrer et al., Hyperfine Interact. 63-65 (to be published).
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19
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84927428214
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A c-axis-oriented specimen of YBaCu32 O7 shows that σ prop 1/ λin2 for single crystals is about 1.4 times larger than the angular averaged value: Y. J. Uemura et al., J. Phys. (Paris), Colloq. 49, C8-2087 (1988).
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21
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84927428212
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Covering the lower-temperature region, we have found a linear temperature variation of sigma (Ref. 3).
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23
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84927428210
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For muSR results at T app Tc or Hextapp Hc2 see D. Herlach et al., Hyperfine Interact. 63-65 (to be published).
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24
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84927428208
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R. Tournier et al., J. Magn. Magn. Mater. 76-77, 552 (1988), studied relations between Tc and gamma of some HF and cuprate systems.
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25
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84927428207
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G. M. Luke et al. (to be published).
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27
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84927428205
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F. Gross et al., Physica (Amsterdam) 162-164C, 419 (1989).
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28
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84927428203
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For TF in K, sigma in μ s-1, and gamma in mJ/K2 cm3, TF = 730 σ3/4γ-1/4.
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29
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0000370835
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See Ref. 6 (Fischer) for the gamma values in Chevrel phase, Ref. 13 in HF, and, in BKBO systems.
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(1989)
Phys. Rev. B
, vol.39
, pp. 9682
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Graebner, J.E.1
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