An experimental condensed matter physicist who coauthored a major analysis of thermal boundary resistance. An interface can impede heat flow even when both adjoining materials conduct well, because energy-carrying excitations transmit imperfectly across it. Comparing acoustic and diffuse mismatch models connects a measured temperature discontinuity to the microscopic behavior of phonons.[ref]
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Robert Otto Pohl (1892–1981) was an American physicist known for his contributions to the field of physics, particularly in the areas of solid-state physics and condensed matter physics. He is also known for his work on the physics of materials and the study of crystal structures. Pohl made significant advancements in understanding the properties of materials at low temperatures and was influential in developing various techniques for studying solid-state systems.