Models of ballistic propagation of heat at low temperatures

Abstract

Heat conduction at low temperatures show various effects that cannot be described by the Fourier law, like the second sound and ballistic propagation. In this paper the performance of various theories is compared in case of ballistic and wave like propagation of heat pulses in NaF.

References in corpus (2)

• Generalized heat conduction in heat pulse experiments
• Deviation from the Fourier law in room-temperature heat pulse experiments

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• A case study of non-Fourier heat conduction using Internal Variables and GENERIC
• Analytical and numerical modelling of ballistic heat conduction observed in heat pulse experiments
• Implicit numerical schemes for generalized heat conduction equations