--- res: bibo_abstract: - 'We use general symmetry-based arguments to construct an effective model suitable for studying optical properties of lead halide perovskites. To build the model, we identify an atomic-level interaction between electromagnetic fields and the spin degree of freedom that should be added to a minimally coupled k⋅p Hamiltonian. As a first application, we study two basic optical characteristics of the material: the Verdet constant and the refractive index. Beyond these linear characteristics of the material, the model is suitable for calculating nonlinear effects such as the third-order optical susceptibility. Analysis of this quantity shows that the geometrical properties of the spin-electric term imply isotropic optical response of the system, and that optical anisotropy of lead halide perovskites is a manifestation of hopping of charge carriers. To illustrate this, we discuss third-harmonic generation.@eng' bibo_authorlist: - foaf_Person: foaf_givenName: Artem foaf_name: Volosniev, Artem foaf_surname: Volosniev foaf_workInfoHomepage: http://www.librecat.org/personId=37D278BC-F248-11E8-B48F-1D18A9856A87 orcid: 0000-0003-0393-5525 - foaf_Person: foaf_givenName: Abhishek foaf_name: Shiva Kumar, Abhishek foaf_surname: Shiva Kumar foaf_workInfoHomepage: http://www.librecat.org/personId=5e9a6931-eb97-11eb-a6c2-e96f7058d77a - foaf_Person: foaf_givenName: Dusan foaf_name: Lorenc, Dusan foaf_surname: Lorenc foaf_workInfoHomepage: http://www.librecat.org/personId=40D8A3E6-F248-11E8-B48F-1D18A9856A87 - foaf_Person: foaf_givenName: Younes foaf_name: Ashourishokri, Younes foaf_surname: Ashourishokri foaf_workInfoHomepage: http://www.librecat.org/personId=e32c111f-f6e0-11ea-865d-eb955baea334 - foaf_Person: foaf_givenName: Ayan foaf_name: Zhumekenov, Ayan foaf_surname: Zhumekenov - foaf_Person: foaf_givenName: Osman M. foaf_name: Bakr, Osman M. foaf_surname: Bakr - foaf_Person: foaf_givenName: Mikhail foaf_name: Lemeshko, Mikhail foaf_surname: Lemeshko foaf_workInfoHomepage: http://www.librecat.org/personId=37CB05FA-F248-11E8-B48F-1D18A9856A87 orcid: 0000-0002-6990-7802 - foaf_Person: foaf_givenName: Zhanybek foaf_name: Alpichshev, Zhanybek foaf_surname: Alpichshev foaf_workInfoHomepage: http://www.librecat.org/personId=45E67A2A-F248-11E8-B48F-1D18A9856A87 orcid: 0000-0002-7183-5203 bibo_doi: 10.1103/physrevb.107.125201 bibo_issue: '12' bibo_volume: 107 dct_date: 2023^xs_gYear dct_identifier: - UT:000972602200006 dct_isPartOf: - http://id.crossref.org/issn/2469-9950 - http://id.crossref.org/issn/2469-9969 dct_language: eng dct_publisher: American Physical Society@ dct_title: Effective model for studying optical properties of lead halide perovskites@ ...