Summer 2022

A Pitt/CMU Colloquium

Abstract: This talk will be on three topics, but in a way it is one. My research focus and passion is the proximity effect. It is when superconducting correlations are induced in a non-superconducting material. Because superconductivity is always tied to a spin order, proximity effects get especially rich when the non-superconductor is magnetic, or has strong spin-orbit coupling for electrons. Superconductivity induced by proximity must take into account these interactions in the new host, and can evolve into exotic phases such as...

A Pitt PACC seminar

Abstract: I will discuss the possibility of radiation amplitude zero  (RAZ) in different leptoquark scenarios including scalar and vector. The cross-section of the scattering  involving  a  photon in the initial or  finalstate  can vanish  in  the visible region of the  cosine of the angle  w.r.t  the finalstate  particle in the centre  of  mass  frame. For an electron-photon collider, the  position of  RAZ depends on the charge, mass of  the finalstate particle and  the centre of  mass energy. However,  for an electron-proton collider,...

Abstract: Quantum computing has been attracting public attention recently. This interest is driven by the advancements in hardware, software, and algorithms required for its successful usage and the promise that it entails the potential acceleration of computational tasks compared to classical computing. This perspective talk presents a short review of quantum computing, how this computational approach solves problems, and three fields that quantum computing can potentially impact the most while relevant to chemical engineering: computational chemistry, optimization, and...

A Pitt Physics seminar

Abstract: The discovery of graphene inaugurated research on the novel relativistic and topological electronic properties of 2D honeycomb quantum materials. One wonders whether other elemental graphene analogues beyond the group 4a elements exist. Motivated by revolutionary exploration of the synthesis and electronic characterization in Xenes, we address whether metallic elements can also embody similar molecular and electronic structures. We find that alkaline earth Ca monolayer (calcene) on Cu(111) indeed forms a new 2D honeycomb...