Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session J19: DMP Prize SessionInvited Prize/Award
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Sponsoring Units: DMP Chair: Antoinette Taylor, Los Alamos Natl Lab Room: 207 |
Tuesday, March 3, 2020 2:30PM - 3:06PM |
J19.00001: David Adler Lectureship Award Talk: Epitaxial Oxides: From Basic Science to Application Invited Speaker: Chang-Beom Eom Oxide materials are the most abundant compound in the earth’s crust and possess a wide range of |
Tuesday, March 3, 2020 3:06PM - 3:42PM |
J19.00002: James C. McGroddy Prize Talk: Progress in high-temperature conventional superconductivity Invited Speaker: Mikhail Eremets We studied the state of matter under extreme conditions and found new phenomena and |
Tuesday, March 3, 2020 3:42PM - 4:18PM |
J19.00003: Edward A. Bouchet Award Talk: Controlling Dissipation in Superconductors: the Oxymoron that Leads to New Superconducting Phases and Transitions Invited Speaker: Nadya Mason In this Bouchet Award talk, I will first briefly discuss why I feel that it is important to balance research, service, and outreach. I will then discuss my research on “dissipative” superconducting systems. In particular, superconductors are exciting materials for basic physics and applications because they conventionally exhibit zero-resistance and zero-dissipation. In contrast, unconventional superconductors—including high-temperature superconductors and hybrid superconductor-normal (S-N) systems relevant to quantum computation—combine superconductivity with dissipative normal metal-like states. Yet dissipation has been difficult to control and parametrize. Here, I will discuss electrical transport experiments on hybrid superconductor-normal metal systems where the dissipation is controlled, leading to new understanding of superconducting states and transitions. In particular, I will show how superconductivity is established in granular S-N systems, how metallic states appear in arrays of S-N systems as the normal metal fraction is increased, and how magnetic fields can be used to control a variety of dissipative phase transitions. The results are relevant to understanding the role of dissipation in superconducting systems, and in correlated materials in general. |
Tuesday, March 3, 2020 4:18PM - 4:54PM |
J19.00004: APS Medal for Exceptional Achievement in Research: The Metal-Insulator Transition in Strongly Interacting Electron Systems in Two Dimensions Invited Speaker: Myriam Sarachik Over the course of my long career in physics my research has covered a variety of topics, including early measurements of the resistance minimum that provided the experimental key to the Kondo effect, metal-insulator transitions (MIT)s and macroscopic quantum tunneling of the magnetization in molecular magnets. My work during the last few years has focused on the apparent metal-insulator transition that occurs in strongly interacting systems of electrons in two dimensions, where no metallic behavior and no metal-insulator transition were believed to be possible. In this talk I will give a thumbnail history of research on the 2D metal-insulator transition, the debate concerning whether a metallic phase exists in two dimensions, and whether this MIT is a quantum phase transition, as claimed by many (including me). I will report surprising results [1] that shed new light on the nature of the metal-insulator transition in 2D. |
Tuesday, March 3, 2020 4:54PM - 5:30PM |
J19.00005: IUPAP Award Talk Invited Speaker: Andrea Young TBD |
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