[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]

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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