Find the optical and acoustical branches of the dispersion relation for a diatomic linear lattice,
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Q: Find the optical and acoustical branches of the dispersion relation for a diatomic linear lattice,
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Q: The derivative of the function at t = 1 is closest to: See Image:
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Find the optical and acoustical branches of the dispersion relation for a diatomic linear lattice,
solids, physics
We study the vibrations in 1D a monoatomic and diatomic lattices and obtain the dispersion relation.
The dispersion relation of vibrations in 1D diatomic lattice is given by
Here are the masses of 2 atoms.
In this , represents the optical branch.
represents the acoustical branch.
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