Abstract:In this paper we solve the Cattaneo-Vernotte Equation for a periodic heterostructure made of alternate layers of different materials. The solutions describe thermal waves traveling in a periodic system, and it allows us to introduce the concept of thermal crystals. We show that the dispersion relation shows the characteristics of a band-structure, however the corresponding Bloch wave vector is always complex corresponding to pseudo-bands, unlike what happens in photonic or acoustic crystals. In this context, w… Show more
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