Table 1 Coupling constant σk, relaxation constant of magnons κm and phonons κp at different wavenumbers k in the Lu2Bi1Fe3.4Ga1.6O12 film.

From: Coherent oscillation between phonons and magnons

k (104rad ⋅ cm−1)

σk (rad ⋅ MHz)

κm (rad ⋅ MHz)

κp (rad ⋅ MHz)

2.98

53.0 ± 0.01

2.10 ± 1.2

0.49 ± 0.4

3.15

54.4 ± 0.01

9.47 ± 2.5

2.51 ± 1.5

3.30

55.9 ± 0.01

3.21 ± 0.9

7.66 ± 2.4

  1. Errors presents standard deviation.
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