| Grant number: | 23/04245-0 |
| Support Opportunities: | Regular Research Grants |
| Start date: | September 01, 2023 |
| End date: | August 31, 2026 |
| Field of knowledge: | Physical Sciences and Mathematics - Physics - Condensed Matter Physics |
| Principal Investigator: | Felix Guillermo Gonzalez Hernandez |
| Grantee: | Felix Guillermo Gonzalez Hernandez |
| Host Institution: | Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
| Associated scholarship(s): | 23/11158-6 - Time-domain THz spectroscopy in quantum materials, BP.TT |
Abstract
Phonons, collective excitations of a crystalline lattice, determine many of the physical properties of solids, including electrical, thermal, and optical. By exciting or controlling particular phonon modes, one can modify material properties or even induce quantum effects such as superconductivity. In this project, we plan to study phonons through terahertz time domain spectroscopy in quantum materials. That is, materials that show strong correlations and interactions between the various degrees of freedom (charge, spin, orbital and dynamics of the crystalline lattice) and that lead to exotic phenomena and new phase transitions. In particular, we will investigate the polarization and coupling of these optical phonons with terahertz photons in nanostructured films. (AU)
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