Electron-exciton interactions in the exciton-polaron problem

DK Efimkin, EK Laird, J Levinsen, MM Parish… - Physical Review B, 2021 - APS
Recently, it has been demonstrated that the absorption of moderately doped two-
dimensional semiconductors can be described in terms of exciton polarons. In this scenario …

Optical excitations in 2D semiconductors

T Deilmann, M Rohlfing, KS Thygesen - Electronic Structure, 2023 - iopscience.iop.org
Abstract Two-dimensional (2D) materials have revealed many fascinating physical and
chemical properties. Due to the quantum confinement and enhanced many-body effects …

Charge Transfer and Asymmetric Coupling of MoSe2 Valleys to the Magnetic Order of CrSBr

C Serati de Brito, PE Faria Junior, TS Ghiasi… - Nano …, 2023 - ACS Publications
van der Waals heterostructures composed of two-dimensional (2D) transition metal
dichalcogenides and vdW magnetic materials offer an intriguing platform to functionalize …

Trion induced photoluminescence of a doped MoS2 monolayer

YV Zhumagulov, A Vagov, DR Gulevich… - The Journal of …, 2020 - pubs.aip.org
We demonstrate that the temperature and doping dependencies of the photoluminescence
(PL) spectra of a doped MoS 2 monolayer have several peculiar characteristics defined by …

Microscopic theory of exciton and trion polaritons in doped monolayers of transition metal dichalcogenides

YV Zhumagulov, S Chiavazzo, DR Gulevich… - npj Computational …, 2022 - nature.com
We study a doped transition metal dichalcogenide (TMDC) monolayer in an optical
microcavity. Using the microscopic theory, we simulate spectra of quasiparticles emerging …

Trions in two-dimensional monolayers within the hyperspherical harmonics method: Application to transition metal dichalcogenides

RY Kezerashvili, SM Tsiklauri, A Dublin - Physical Review B, 2024 - APS
We develop the theoretical formalism and study the formation of valley trions in two-
dimensional monolayers within the framework of a nonrelativistic potential model using the …

Revealing the impact of strain in the optical properties of bubbles in monolayer MoSe 2

FS Covre, PE Faria, VO Gordo, CS de Brito… - Nanoscale, 2022 - pubs.rsc.org
Strain plays an important role for the optical properties of monolayer transition metal
dichalcogenides (TMDCs). Here, we investigate strain effects in a monolayer MoSe2 sample …

Theory of excitons in atomically thin semiconductors: tight-binding approach

M Bieniek, K Sadecka, L Szulakowska, P Hawrylak - Nanomaterials, 2022 - mdpi.com
Atomically thin semiconductors from the transition metal dichalcogenide family are materials
in which the optical response is dominated by strongly bound excitonic complexes. Here, we …

Effect of fermion indistinguishability on optical absorption of doped two-dimensional semiconductors

A Tiene, J Levinsen, J Keeling, MM Parish… - Physical Review B, 2022 - APS
We study the optical absorption spectrum of a doped two-dimensional semiconductor in the
spin-valley polarized limit. In this configuration, the carriers in the Fermi sea are …

Competitive screening and band gap renormalization in -type monolayer transition metal dichalcogenides

SS Ataei, A Sadeghi - Physical Review B, 2021 - APS
Gate induced carriers impact the many-body interactions in monolayer transition metal
dichalcogenides (TMDs) by modifying the screened Coulomb potential and renormalizing …