{"id":929936,"date":"2022-12-03T18:37:51","date_gmt":"2022-12-03T18:37:51","guid":{"rendered":"https:\/\/projects.ift.uam-csic.es\/holotube\/?p=929936"},"modified":"2022-12-06T15:26:07","modified_gmt":"2022-12-06T15:26:07","slug":"december-6-probing-low-energy-quantum-matter-by-erik-van-heumen","status":"publish","type":"post","link":"https:\/\/projects.ift.uam-csic.es\/holotube\/2022\/12\/03\/december-6-probing-low-energy-quantum-matter-by-erik-van-heumen\/","title":{"rendered":"December 6: “Probing low energy quantum matter” by Erik van Heumen"},"content":{"rendered":"\n
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Date : December 6, 2022, 16:00 CET<\/strong> <\/p>\n\n\n\n

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Erik van Heumen<\/strong><\/strong> (University of Amsterdam)<\/p>\n<\/div><\/div>\n\n\n\n

Link:<\/strong> https:\/\/zoom.us\/j\/98260147834?pwd=VW5BQStqUGUrUFFzWG1jL2tuWXJoZz09<\/a><\/p>\n\n\n\n

Probing low energy quantum matter<\/strong><\/p>\n\n\n\n

Abstract: <\/p>\n\n\n\n

In this talk I will discuss how optical experiments probe quantum matter using recent results from my group. In the second part, I will focus on the strange metal phase of the cuprates, which features a variety of anomalous electronic properties. In recent years, various (magneto-) transport experiments have reported a singular behavior of the carrier density near a critical doping around p = 0.2 holes\/Cu and these results have been interpreted as essential features of the strange metal response.<\/p>\n\n\n\n

I will review these results considering the doping evolution of the optical conductivity across the phase diagram for the single layer material Bi2201. Whereas transport experiments only probe a combination of momentum relaxation and carrier density, the optical response enables us to disentangle the two. I will show that the doping and temperature evolution of the resistivity can be fully understood from changes in the momentum relaxation rate. At the same time, the carrier density displays a continuous and gradual evolution across the phase diagram.<\/p>\n<\/div><\/div>\n\n\n\n