Publication | Closed Access
Frequency Dependence of the Transmission of High-Frequency Phonons from a Solid into Liquid Helium
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1974
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EngineeringAcoustic MetamaterialHeat Pulse ExperimentsHeater TemperatureThermal ConductivityLiquid HeliumSuperconductivityQuantum MaterialsHigh-frequency PhononsThermodynamicsThermal ConductionMaterials SciencePhysicsThermal TransportHeat TransferHigh Temperature MaterialsCryogenicsApplied PhysicsCondensed Matter PhysicsPhononThermal EngineeringFrequency Dependence
Heat pulse experiments at 1.8 K show the transmission coefficient of high-frequency phonons from silicon into superfluid helium to exhibit a maximum at a heater temperature of about 5 K.Received 11 July 1974DOI:https://doi.org/10.1103/PhysRevLett.33.882©1974 American Physical Society
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