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Portail > Offres > Offre UPR2940-FLOPOI-060 - CDD chercheur pour la réalisation des simulations quantiques résolues en temps pour des dispositifs de nanoélectronique quantique (H/F)

Senior post-doctoral researcher to carry out time-dependent quantum simulations for quantum transport in nanoelectronic devices (M/F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : jeudi 28 octobre 2021

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General information

Reference : UPR2940-FLOPOI-060
Workplace : GRENOBLE
Date of publication : Thursday, October 7, 2021
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 January 2022
Proportion of work : Full time
Remuneration : 3783 € to 3953 € according to experience
Desired level of education : PhD
Experience required : 5 to 10 years

Missions

The subject of study are nanoelectronic devices operating at the time scale of picoseconds. In this context, ultrashort pulses with a few-electrons propagating in quasi one-dimensional quantum conductors have been studied using time-of-flight measurements. They show a complicated dependence of the pulse propagation velocity on the electrostatic potentials as well as on the geometry of the interferometer, which is not captured by usual theories. The goal of this project is to gain a microscopic understanding of the mechanism using state of the art simulation tools and further to develop these tools to make predictive simulations of the pulse propagation prior to the experiment.

Activities

- model the electronic system by a tight-binding approach
- extend exising tools to include interactions self-consistently
- perform numerical simulations in close relation with the experiments
- develop a simplified complementary approach, e.g. using Boltzmanns equation

Skills

The future candidate is expected to have strong knowledge of nanoelectronic and semiconductor devices and to be familiar with the theory of interacting and-time dependent manybody systems. Knowledge on tight-binding systems and Boltzmann kinetic theory would be an advantage. In addition to analytical skills, the applicant should have experience in numerical algorithm developement and parallel programming and contribute to the existing simulation tools (as Kwant/Tkwant) used in the group. The programming language of choice will be Python.

Work Context

The Institut NEEL is one of the largest French national research institutes for fundamental research in condensed matter physics enriched by interdisciplinary activities at the interfaces with chemistry, engineering and biology. It is located in the heart of a unique scientific, industrial and cultural environment. It is part of one of Europe's biggest high-tech environment in micro- and nanoelectronics, right next to the French Alpes.

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