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Related papers: Trions in two-dimensional monolayers within the hy…

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We investigate the electronic properties of MXenes by three bands tight-binding model of \d_{z^2} , \d_{xy} , and \d_{x^2-y^2} orbitals. The three corresponding bands touch each other at high symmetry K point in the case of absence of…

Materials Science · Physics 2024-03-11 Phusit Nualpijit , Bumned Soodchomshom

Binding energies of negative and positive trions in doped GaAs quantum wells in high magnetic fields are studied by exact numerical diagonalization in spherical geometry. Compared to earlier calculations, finite width of the quantum well…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Arkadiusz Wojs , John J. Quinn

The properties of energy spectrum of excitons in monolayer transition metal dichalcogenides are investigated using a multiband model. In the multiband model we use the excitonic Hamiltonian in the product base of the Dirac single-particle…

Mesoscale and Nanoscale Physics · Physics 2021-08-04 Victor Zalipaev , Vladislav Kuidin

We present a method for solving trapped few-body problems and apply it to three equal-mass particles in a one-dimensional harmonic trap, interacting via a contact potential. By expressing the relative Hamiltonian in Jacobi cylindrical…

Quantum Physics · Physics 2013-01-03 N. L. Harshman

Ultraflatbands that have been theoretically and experimentally detected in a bunch of van der Waals stacked materials showing some peculiar properties, for instance, highly localized electronic states and enhanced electron-electron…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 Zhen Zhan , Yipei Zhang , Pengfei Lv , Hongxia Zhong , Guodong Yu , Francisco Guinea , Jose Angel Silva-Guillen , Shengjun Yuan

One of the main characteristics of the new family of two-dimensional crystals of semiconducting transition metal dichalcogenides (TMD) is the strong spin-orbit interaction, which makes them very promising for future applications in…

Mesoscale and Nanoscale Physics · Physics 2015-11-11 R. Roldán , M. P. López-Sancho , E. Cappelluti , J. A. Silva-Guillén , P. Ordejón , F. Guinea

Two-dimensional (2D) transition metal dichalcogenides (TMDCs) have been the subject of sustained research interest due to their extraordinary electronic and optical properties. They also exhibit a wide range of structural phases because of…

In this contribution, we will present a short overview of the transverse momentum dependent (TMD) approach as a tool for studying the 3-dimensional structure of hadrons in high-energy (un)polarized hadron collisions. We will then summarize…

High Energy Physics - Phenomenology · Physics 2021-04-28 U. D'Alesio , F. Murgia , C. Pisano

Transition metal dichalcogenides (TMDs) host multiple competing structural and electronic phases, making them an ideal platform for constructing polytype heterostructures with emergent quantum properties. However, controlling phase…

Materials Science · Physics 2025-12-03 Yanyan Geng , Manyu Wang , Shumin Meng , Shuo Mi , Chang Li , Huiji Hu , Jianfeng Guo , Rui Xu , Fei Pang , Wei Ji , Weichang Zhou , Zhihai Cheng

Transition metal dichalcogenides (TMDs) are quasi-two-dimensional layered compounds exhibiting strongly competing charge-density wave (CDW) and superconducting (SC) order parameters (OPs). The weak van der Waals interlayer bonding between…

Superconductivity · Physics 2015-05-26 Richard A. Klemm

Transition-metal dichalcogenides (TMDs) are renowned for their rich and varied properties. They range from metals and superconductors to strongly spin-orbit-coupled semiconductors and charge-density-wave systems, with their single-layer…

Two-dimensional transition metal dichalcogenides (TMDs) exist in two polymorphs, referred to as $1T$ and $1H$, depending on the coordination sphere of the transition metal atom. The broken octahedral and trigonal prismatic symmetries lead…

Mesoscale and Nanoscale Physics · Physics 2018-10-03 Diego Pasquier , Oleg V. Yazyev

We develop a computationally and numerically efficient method to calculate binding energies and corresponding wave functions of quantum mechanical three-body problems in low dimensions. Our approach exploits the tensor structure of the…

Computational Physics · Physics 2022-03-04 Jonas Thies , Moritz Travis Hof , Matthias Zimmermann , Maxim Efremov

Integration of two-dimensional (2D) van der Waals (vdWs) materials with non-2D materials to realize mixed-dimensional heterostructures has potential for creating functional devices beyond the reach of existing materials and has long been a…

Materials Science · Physics 2022-12-06 Ya-Ning Ren , Mo-Han Zhang , Qi Zheng , Lin He

We present optimized tight-binding models with atomic orbitals to improve \textit{ab initio} tight-binding models constructed by truncating full density functional theory (DFT) Hamiltonian based on localized orbitals. Retaining qualitative…

Mesoscale and Nanoscale Physics · Physics 2024-02-20 Sejoong Kim

We demonstrate that, in monolayers (MLs) of semiconducting transition metal dichalcogenides, the $s$-type Rydberg series of excitonic states follows a simple energy ladder: $\epsilon_n=-Ry^*/(n+\delta)^2$, $n$=1,2,\ldots, in which $Ry^*$ is…

Mesoscale and Nanoscale Physics · Physics 2019-09-26 M. R. Molas , A. O. Slobodeniuk , K. Nogajewski , M. Bartos , Ł. Bala , A. Babiński , K. Watanabe , T. Taniguchi , C. Faugeras , M. Potemski

This is the fourth article in a series where we succeed in enlarging the class of exactly solvable quantum systems. We do that by working in a complete set of square integrable basis that carries a tridiagonal matrix representation for the…

Quantum Physics · Physics 2018-06-05 A. D. Alhaidari

Transition metal dichalcogenide (TMDC) monolayers present a remarkable multifunctional material with potential to enable the development of a wide range of novel devices. However, the functionalities observed often fall short of the…

Background: Deep third minima have been predicted in some non-self-consistent models to impact fission pathways of thorium and uranium isotopes. These predictions have guided the interpretation of resonances seen experimentally. On the…

Nuclear Theory · Physics 2013-05-24 J. D. McDonnell , W. Nazarewicz , J. A. Sheikh

Van der Waals heterobilayers based on 2D transition metal dichalcogenides have been recently shown to support robust and long-lived valley polarization for potential valleytronic applications. However, the role of the band structure and…