[Level3soliden] Fwd: Eva Andrei visits Chalmers, May 8-9

[Johannes Hofmann]

> From: Samuel Lara Avila 
> Sent: Wednesday, 26 April 2023 10:51
> To: GCC researchers <researchers.gcc at chalmers.se <mailto:researchers.gcc at chalmers.se>>; 2d-tech PI <pi.2d-tech at chalmers.se <mailto:pi.2d-tech at chalmers.se>>; chalmers-mc2_qdpl <qdpl.mc2 at chalmers.se <mailto:qdpl.mc2 at chalmers.se>>
> Subject: Eva Andrei visits Chalmers, May 8-9
>  
> Dear All, 
>  
> Eva Andrei, Distinguished Professor and Board of Governors Professor at Rutgers University, will be presenting at the 2DTECH/GCC seminar on May 8th (abstract below). Her research focuses on emergent properties of matter arising from collective behavior of many particles, especially low-dimensional phenomena under low temperatures and high magnetic fields (https://en.wikipedia.org/wiki/Eva_Andrei <https://en.wikipedia.org/wiki/Eva_Andrei>, https://scholar.google.com/citations?user=dnn1uZcAAAAJ&hl=en <https://scholar.google.com/citations?user=dnn1uZcAAAAJ&hl=en>).
>  
> If you are interested in meeting her Monday 8th, Tuesday 9th please let me know asap and I can arrange a small program.
>  
> Best regards,
>  
> Samuel
>  
>  
>  
>  
> Date/Time/Place: May 8th, 15:00, Kollektorn (MC2)
> Speaker: Eva Andrei
> Title: 2D Superconductivity  in twisted trilayer graphene
> Abstract: The discovery of superconductivity in twisted graphene layers has made it possible to revisit long standing open questions about the nature of superconductivity in two dimensions. We studied the emergence of superconductivity in mirror-symmetric twisted trilayer graphene and its dependence on temperature and magnetic field. Our findings include the observation of a magnetically driven superconductor to insulator transition occurring at the quantum pair resistance h/(2e2);  a critical exponent  z=3/2 placing trilayer graphene in the same universality class as  High Tc superconductors; and vortex pinning barriers that are more than an order of magnitude lower than in any other material, making this the cleanest  known superconductor. 

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