Mode | Kalnins [26] | Navaratna [28] | Webster [29] | Tessler and Spiridigliozzi [31] | Gautham and Ganesan [32] | Buchanan and Rich [33] | Present theory |
1 | 1.006 | 1.008 | 1.007 | 1.000 | 1.001 | 1.001 | 1.031 |
2 | 1.391 | 1.395 | 1.391 | 1.368 | 1.373 | 1.370 | 1.496 |
3 | - | 1.702 | 1.700 | 1.673 | 1.678 | 1.675 | 1.760 |
4 | - | 2.126 | 2.095 | - | - | 2.094 | 2.089 |
5 | 2.375 | 2.387 | 2.386 | 2.260 | - | 2.256 | 2.276 |
6 | 3.486 | 3.506 | 3.851 | 3.213 | - | 3.209 | 3.311 |
7 | 3.991 | 3.996 | 4.062 | 3.965 | - | 3.964 | 3.775 |
8 | - | 4.159 | 4.151 | - | - | 4.060 | 4.073 |
9 | 4.947 | 5.001 | 5.962 | 4.442 | - | 4.427 | 4.826 |
10 | - | 6.037 | 6.208 | 5.773 | - | 5.740 | 5.777 |