[Physics-grads-open] Physics & Astronomy Student Seminar (PASS), Robert, 3/1 (Wed) at 4 pm: "Numerical Simulations of Induced Superconductivity in Proximitized Weyl Semimetals"

[Ming-Feng Ho]

Happening in one hour!

On Tue, Feb 28, 2023 at 9:00 AM Ming-Feng Ho <mingfeng.ho at email.ucr.edu>
wrote:

> Hi Physics and Astronomy Grads,
>
> We will have our PASS talk *this Wednesday (3/1) at 4 pm*.
>
> *Robert Dawson* *(5th year; PI: Vivek Aji)* will tell us about
> superconductivity and numerical simulations. If you are interested in
> superconductor and material science, please come and join us! :)
>
> Also note that Grad Student Coffee Social is every Wednesday at 3 pm in
> front of the physics building. So you can grab a coffee and snack there
> before you come to PASS at 4 pm!
>
> *Title:* Numerical Simulations of Induced Superconductivity in
> Proximitized Weyl Semimetals
> Robert Dawson (University of California, Riverside)
>
> *Abstract:* BCS Superconductivity describes the most basic
> superconducting interaction between two electrons: a phonon mediated
> interaction between two electrons of opposite momentum and opposite spin.
> The resultant two-electron correlation function is isotropic in momentum
> space, with the electrons occupying an antisymmetric spin state. Other
> types of superconductivity have either been discovered (such as the D-wave,
> high temperature cuprates) or theorized (odd parity, P-wave
> superconductivity), but finding naturally occurring materials that support
> these unconventional states proves challenging. However, it is possible to
> induce superconductivity in non-superconducting materials via close
> proximity to a BCS superconductor. In this project, we employ a numerical
> technique to determine what type, if any, of superconductivity can be
> induced in Weyl Semimetals with broken inversion symmetry. We expand the
> electronic wave functions in a predetermined basis and numerically solve
> the BdG equation, making it possible to determine the structure of the
> two-electron correlation function.
>
> *Wednesday, 3/1, 2023, at 4 pm*
> *Physics 3027 (Nebula Room)*
> In case you couldn't come, the meeting will be hybrid:
> https://ucr.zoom.us/j/98931172603?pwd=S2FqUFpBMDI4bFhOMm9QMkMyekhqZz09
> ID : 989 3117 2603
> Password : 1216
>
>
> Current speakers for Winter 2023 are in the spreadsheet
> <https://docs.google.com/spreadsheets/d/1xR325pj7zc9jlHSRb7UKDPtRwLuL3hKGxTIeBxi38wo/edit?usp=sharing>
> .
> Next we have ...
>     3/8: Archana Aravindan
>     3/15: Wenjun Chang
> ... please stay tuned!
>
>
> About PASS:
> ---
> PASS is a weekly research seminar organized by and for grad students in
> UCR Physics and Astronomy department. The primary purpose of this seminar
> is to create a safe place for grad students to present their research works
> and practice how to ask/answer good questions.
>
> Look forward to seeing you all on Wednesday and discussing superconductors!
>
> Ming-Feng
>
> ---
> Ming-Feng Ho
> PhD Student
> Physics and Astronomy, UCR
>
>
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