Trions in Monolayer MoS<sub>2</sub> using Faddeev Scheme in Momentum Space

ORAL

Abstract

In this presentation, we study the binding energy and geometrical structure of negative trions, the bound state of two electrons and one hole interacting via the Rytova-Keldysh interaction in Monolayer MoS2. We introduce a general framework developed in momentum space for the bound state of three different charged particles, interacting with distinct interactions in two dimensions. We discuss the numerical challenges and their solutions for handling repulsive electron-electron interaction when solving the coupled Faddeev integral equations and calculating the trion's binding energy and wave function.

*The work of M.R.H. was supported by the National Science Foundation under Grant No. NSF-PHY-2000029 with Central State University. K.M. acknowledges a Ph.D. scholarship from the Brazilian agency CNPq. T.F. acknowledges the CNPq Grant No. 308486/2015-3 and FAPESP under Thematic Project 2017/05660-0. This work is a part of the project INCT-FNA proc. No. 464898/2014-5 and was supported by CNPq Grant No. 400789/2019-0. M.R.H. thanks the Ohio Supercomputer Center (OSC) for the use of their facilities under Grant No. POS0104.

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Publication: K. Mohseni, M. R. Hadizadeh, T. Frederico, D. R. da Costa, and A. J. Chaves, Phys. Rev. B 107, 165427 (2023).

Presenters

  • Mohammadreza Hadizadeh

    • Central State University

Authors

  • Mohammadreza Hadizadeh

    • Central State University

  • Kamyar Mohseni

    • Departamento de Física, Instituto Tecnológico de Aeronáutica, DCTA, 12228-900 São José dos Campos, Brazil

  • Andre J Chaves

    • Departamento de Física, Instituto Tecnológico de Aeronáutica, DCTA, 12228-900 São José dos Campos, Brazil

  • D.R. da Costa

    • Departamento de Física, Universidade Federal do Ceará, Campus do Pici, 60455-900 Fortaleza, Ceará, Brazil

  • Tobias Frederico

    • Departamento de Física, Instituto Tecnológico de Aeronáutica, DCTA, 12228-900 São José dos Campos, Brazil