Table 1 NQR data for ortho-II YBCO in magnetic field B = 12 − 15T.

From: The amplitudes and the structure of the charge density wave in YBCO

 

Γ0(kHz)

Γ1(kHz)

|As + 0.23As′|

Cu(2), B||c

230(30)

460(80)

2.0(0.5)

   

O(2), 2pσ||a, B||a

6.0(0.5)

16.0(1.3)

2.9(0.3)

O(2), 2pσ||a, B||b

6.0(0.6)

15.0(0.8)

5.4(0.4)

O(2), 2pσ||a, B||c + 20o

5.0(2.0)

16.0(2.5)

6.0(1.1)

O(3), 2pσ||b, B||a

6.0(1.0)

11.0(1.8)

3.6(0.9)

O(3), 2pσ||b, B||b

5.0(2.0)

12.0(2.0)

2.1(0.5)

O(3), 2pσ||b, B||c + 20o

9.0(2.3)

18.0(2.3)

6.1(1.4)

  1. The line widths, Γ0 = ΓT=150K and Γ1 = ΓT=60K, are measured for different ions and for different orientations of the magnetic field3,22.
  2. The last column displays the CDW amplitudes deduced from the particular line. Figures in brackets represent crude estimates of error bars.
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