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March 27, 2023 past

Condensed Atomic Molecular Physics (CAMP) Seminar - Ilya Sochnikov

339 Davey Lab

Condensed Atomic Molecular Physics (CAMP) Seminar - Ilya Sochnikov

Title: Tunable Magnetic Domains and Walls in a Noncentrosymmetric Ferromagnetic Weyl Semimetal

Abstract: In Weyl semimetals, chirality is a new degree of freedom that has great potential for fundamental physics as well as for the development of new devices for storing and processing information. The combination of the topology of the Weyl fermions with magnetism is particularly attractive: magnetic Weyl materials are predicted to exhibit electromagnetic properties transformed by emergent gauge axial fields. To advance this field of research, it is essential to understand the detailed magnetic domains physics of these materials. In this study, we investigated spontaneous magnetization and magnetic susceptibility of a non-centrosymmetric ferromagnetic (FM) Weyl semimetal: CeAlSi

Program

Date Time Speaker Title
2023-03-27 15:45 Ilya Sochnikov Tunable Magnetic Domains and walls in a Noncentrosymmetric Ferromagnetic Weyl Semimetal
About our wordmark
Monica Rincon Ramirez

The IGC wordmark was created by Monica Rincon Ramirez while she was a graduate student at the Institute. Monica enjoys drawing new connections between fundamental theory and observations. Her graduate work included general relativity, loop quantum gravity, and quantum fields in cosmological backgrounds; her thesis focused on effective quantum corrections to gravitational phenomena from spinfoams and applications to cosmology. She received her PhD in 2024.

The wordmark symbolizes the scope of research at the IGC. The base represents quantum gravity, evoking the quantum geometrical picture from spinfoams and loop quantum gravity — approaches studied at the Center for Fundamental Theory. The middle shows galaxies embedded in a smooth surface characteristic of spacetime in general relativity and the larger physical scales studied at the Center for Theoretical and Observational Cosmology. The top curves to an extreme representing a supermassive black hole accompanied by an energetic jet, with a binary black hole pair nearby — the high-energy phenomena studied at the Center for Multimessenger Astrophysics.