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Postdoctoral Researcher in Machine Learning for Light-Induced Excited-State Dynamics

Job

  • Level
    Experienced
  • Location
    Bochum
  • Working Model
    Onsite
  • Job Field
    Data
  • Employment Type
    Full Time
  • Contract Type
    Temporary employment

Job Summary

In this role, you will develop innovative methods to model light-induced dynamic processes in materials by combining machine learning with TDDFT and molecular dynamics to gain new insights.

Job Technologies

Your role in the team

  • Der/die erfolgreiche Kandidat/in (w/m/x) wird Methoden an der Schnittstelle von Echtzeit-TDDFT, nichtadiabatischer angeregter Zustand Molekulardynamik und maschinellem Lernen entwickeln und anwenden.
  • Design and implement machine-learning models for photo-excited systems (e.g., excited-state interatomic potentials, machine-learned Hamiltonians, models for the time evolution of electronic states), trained on and validated against first-principles data.
  • Investigate ultrafast light-induced processes in materials, such as photoinduced structural phase transitions, coupled electron-phonon dynamics, and non-equilibrium carrier and lattice dynamics, including materials and interfaces relevant for energy applications.
  • Publish results in peer-reviewed journals, present them at international conferences, and collaborate with theoretical and experimental partners within RC FEMS and beyond.

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Our expectations of you

Education

  • A PhD in condensed matter physics, or a very closely related field; candidates who have not yet completed their PhD may apply if the doctoral degree will be awarded by the date of signing the employment contract.

Qualifications

  • A strong background in physics.
  • Strong knowledge of quantum mechanics and of the theory of electronic excitations in materials.
  • Solid understanding of light-matter interaction and of first-principles methods for excited states and their dynamics (e.g., TDDFT, nonadiabatic molecular dynamics).
  • Demonstrated ability to carry out independent research, evidenced by publications in peer-reviewed journals.
  • Good command of English, both written and spoken.
  • Knowledge of electron-phonon coupling, nonadiabatic dynamics, and non-equilibrium phase transitions in photoexcited materials.

Experience

  • High-level programming skills (e.g., Python, C/C++, Fortran) and experience with modern machine-learning frameworks (e.g., PyTorch).
  • Demonstrated experience in the development of machine-learning methods and models for physical or materials problems. We are looking for researchers who develop methods, codes, and models - not users. Experience limited to running standard codes or training simple ML models will not be considered.
  • Experience with real-time TDDFT simulations of solids under laser excitation.
  • Experience with the development of machine-learning interatomic potentials or machine-learned electronic Hamiltonians, e.g., based on graph neural networks, and their extension to excited states.
  • Erfahrung mit groß angelegten ab initio und maschinellem Lernen gesteuerten Molekulardynamik-Simulationen.
  • Erfahrung mit Hochleistungsrechenumgebungen.
  • Experience in collaborating with experimental groups (e.g., ultrafast spectroscopy, time-resolved diffraction).

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What we offer

  • Challenging and varied tasks with a high level of independence.
  • Employment at one of the largest universities in Germany within the University Alliance Ruhr.
  • Collaboration in a committed and appreciative team.
  • Umfangreiche Schulungs- und Weiterentwicklungsmöglichkeiten.
  • A job in the heart of the lively Ruhr metropolitan region with its diverse cultural offerings.
  • A full-time postdoctoral position (TV-L E13, 100%).
  • An interdisciplinary and international research environment.
  • Access to cutting-edge computational infrastructure (local GPU cluster, national and European HPC resources).
  • Opportunities for professional development, including participation in international conferences and workshops.
  • A vibrant research campus with a broad spectrum of research activities in materials science, physics, and chemistry.
  • Ruhr University Bochum is a family-friendly university.
  • The position is salaried and based on the collective agreement of the Länder (TV-L). If the personal and collective agreement requirements are met, the employee will receive pay grade A13 TV-L.
  • The place of work is Ruhr University Bochum.
  • If the position is funded by third-party funds, the employee has no teaching obligation.

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Benefits

Work-Life-Integration

Topics You Will Work On

Job Locations

  • Location Bochum

    Nordrhein-Westfalen

    Germany

About Your Employer

Ruhr-Universität Bochum

Ruhr-Universität Bochum

The Ruhr-Universität is located in the heart of Europe, in the dynamic and welcoming Ruhr region. With 20 faculties, it is home to 50,000 people from 130 countries who come here to study, work, and conduct research. All major scientific disciplines are represented on a compact campus.

Description

  • Company Size
    250+ Employees
  • Company Type
    Established Company
  • Working Model
    Hybrid, Onsite
  • Industry
    Education System
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Postdoctoral Researcher in Machine Learning for Light-Induced Excited-State Dynamics

Location
Bochum
Working Model
Onsite
Diversity
Open for all genders

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