Q16
In a cubic system with cell edge a, two phonons with wave vectors q _1 and q _2 collide and produce a third phonon with a wave. vector q _3 such that q _1 + q _2 = q _3 + R where, R is a lattice vector. Such a collision process will lead to (a)
In a cubic system with cell edge a, two phonons with wave vectors and collide and produce a third phonon with a wave. vector such that where, is a lattice vector. Such a collision process will lead to
(a)
A.
finite thermal resistance
AnswerB.
zero thermal resistance
C.
an infinite thermal resistance
D.
a finite thermal resistance for certain only
Answer: Option A
Solution
Answer: Option A
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