Dr. Bernd Bauerhenne

Postdoc - Theoretische Physik II

Telefon	+49 561 804-4408
Fax	+49 561 804-4006
E-Mail	bauerhenne[at]uni-kassel[dot]de
Raum	1283

Curriculum Vitae

2021 - present	Postdoc in the group of Prof. Dr. M. E. Garcia at the university of Kassel
2012 - 2020	Scientific stuff in the group of Prof. Dr. M. E. Garcia at the university of Kassel
2020	PhD in theoretical Physics (summa cum laude)
2012	Dipoma in Physics (1.0 with honors)
2011	Diploma in Mathematics (1.0 with honors)
2010	Exchange semester at the Université du Luxembourg
2005 - 2012	Study of Physics and Mathematics at the University of Kassel
2005	Abitur (1.0) at the Alte Landesschule Korbach

Avards

2020	Nomination for the selection procedure of the dissertation price of the Industrie- und Handelskammer Kassel Marburg
2017	Young scientist award in EMRS Spring meeting, Strasbourg
2016	Participation at the 66-th Lindau Nobel Laureate Meeting
2015	Second poster award in CINSAT autumn meeting, Kassel
2017	PhD scholarship from University of Kassel
2014 - 2017	PhD scholarship from Otto-Braun
2010	Erasmus scholarship for an exchange semester in Luxembourg
2007	Exemption from study fees due to outstanding performance in the Vordiploma physics
2005	Book prize and free membership in the Deutsche Physikalische Gesellschaft (DPG)

Research interests

Ab-initio modelling of the response of matter to a femtosecond laser excitation using electronic temperature dependent density functional theory
Large-scale molecular dynamics simulations of laser excited matter
Development of highly accurate interatomic potentials to describe laser excited materials using machine learning based methods
Simulation of the laser-based generation of nitrogen-vaccancy centers in diamond to generate quantum tokens in the project DIQTOK

Teaching of Lectures

WS 2022/23	Machine Learning with Neural Networks – Theory and Applications
SS 2022	Materials Interaction with Femtosecond Lasers and Machine Learning
WS 2021/22	Quantum mechanics 1
SS 2021	Theoretical Solid State Physics
WS 2020/21	Nummerical solid state physics

Skills

Development and implementation of physical models
Experienced in student supervision for solving highly complex problems
Long term programming expertise in Fortran and C++ including parallelization with MPI, OpenMP and OpenAcc
Python and C programming
High performance computation
3D Visualization with OpenGl
Machine Learning on GPU clusters
Data analysis with Wolfram Mathematica
Design and assembly of high performance computer workstations (HPC)
Linux system and cluster administration (transfer and implementation of HPC equipment from TU Darmstadt to Kassel)
Fractal image compression

Outreach

Successful crowdfunding project to raise the interest of the young pupils for the Mint subjects to provide schools in Kassel the ability to obtain robots.
Working with young pupils on the robots in primary school.

Text book publication

Bernd Bauerhenne, Materials Interaction with Femtosecond Lasers - Theory and Ultra-Large-Scale Simulations of Thermal and Nonthermal Pheomena, Springer, eBook: ISBN 978-3-030-85135-4, hardcover: ISBN 978-3-030-85134-7 (2021), 535 pages. Foreword by Prof. Dr. Martin E. Garcia.

Supervised theses

2022	Yannick Werner	Einfluss von van-der-Waals Korrekturen auf die Moleküldynamik von Graphen	bachelor thesis
2022	Nikolas Schüler	Herleitung zur analytischen Beschreibung von optischen Eigenschaften in Festkörpern	bachelor thesis
2021	Pascal Plettenberg	Neural Network Interatomic Potential for Laser-Excited Silicon	master thesis
2020	Malwin Xibraku	Interatomares Potential für laserangeregte Kohlenstoffsysteme	bachelor thesis
2015	Michael Krauskopf	Ab-initio Untersuchung von BN-Dotiertem Silicen und Kohlenstoffnanoröhrchen als Grundlage für einen Terahertzstrahler sowie einer laserangeregten hexagonalen BN-Schicht	diploma thesis
2013	Nils Eschstruth	Ab-initio Untersuchungen der mechanischen Eigenschaften von h-BN dotierten Graphen unter Laseranregung	master thesis

Peer reviewed Publications

Bernd Bauerhenne, Tobias Zier, Martin E. Garcia, Ultrafast quantum processes at the na-

noscale: insights from modelling, chapter of the book Ultrafast Laser Nanostructuring -

The Pursuit of Extreme Scales, Springer (2022).

T. P. H. Sidiropoulos, N. Di Palo, D. E. Rivas, S. Severino, M. Reduzzi, B. Nandy, B. Bauerhenne, S. Krylow, T. Vasileiadis, T. Danz, P. Elliott, S. Sharma, K. Dewhurst, C. Ropers, Y. Joly, M. E. Garcia, M. Wolf, R. Ernstorfer, J. Biegert, Probing the Energy Conversion Pathways between Light, Carriers, and Lattice in Real Time with Attosecond Core-Level Spectroscopy, Phys. Rev. X, vol. 11, 041060 (2021).

Bernd Bauerhenne, Martin E. Garcia, Universal behavior of the band gap as a function of

the atomic mean-square displacement in laser-excited silicon, Advanced Optical Technolo-

gies, vol. 15, p. 145701 (2020).

Bernd Bauerhenne, Vladimir P. Lipp, Tobias Zier, Eeuwe S. Zijlstra, Martin E. Garcia,

Self-Learning Method for Construction of Analytical Interatomic Potentials to Describe

Laser-Excited Materials, Phys. Rev. Lett., vol. 124, p. 085501, (2020).

Sergej Krylow, Felipe V. Hernandez, Bernd Bauerhenne, Martin E. Garcia, Ultrafast struc-

tural relaxation dynamics of laser-excited graphene: Ab initio molecular dynamics simula-

tions including electron-phonon interactions, Physical Review B, vol. 101, p. 205428 (2020).

Bernd Bauerhenne, Martin E. Garcia, Performance of state-of-the-art force fields for atomi-

stic simulations of silicon at high electronic temperatures, The European Physical Journal

Special Topics, vol. 227, p. 1615–1629 (2019).

Bernd Bauerhenne, Eeuwe S. Zijlstra, Alan Kalitsov, Martin E. Garcia, Controlling Three

Laser-Excited Coherent Phonon Modes in Boron Nitride Nanotubes To Produce Ultrashort

Shaped Terahertz Pulses: Implications for Memory Devices, ACS Applied Nano Materials,

vol. 1, p. 6932–6937 (2018).

Bernd Bauerhenne, Eeuwe S. Zijlstra, Martin E. Garcia, Molecular Dynamics Simulations

of a femtosecond-laser-induced solid to solid transition in antimony, Appl. Phys. A, vol.

123, pp. 608, (2017).

Sergej Krylow, Eeuwe S. Zijlstra, Fairoja C. Kabeer, Tobias Zier, Bernd Bauerhenne, Mar-

tin E. Garcia, Nonequilibrium dynamics of the phonon gas in ultrafast-excited antimony,

Phys. Rev. Materials, vol. 1, p. 073601 (2017).

Daungruthai Jarukanont, Joao T. S. Coimbra, Bernd Bauerhenne, Pedro A. Fernandes,

Shekhar Patel, Maria J. Ramos, Martin E. Garcia, Biomolecular structure manipulation

using tailored electromagnetic radiation: a proof of concept on a simplified model of the

active site of bacterial DNA topoisomerase, Physical Chemistry Chemical Physics, vol. 16,

pp. 21768-21777, (2014).

Bernd Bauerhenne, Eeuwe S. Zijlstra, Alan Kalitsov, Martin E. Garcia, Mechanical proper-

ties of a boron-nitride nanotube after intense femtosecond-laser excitation, Nanotechnology,

vol. 25, pp. 145701, (2014).

Eeuwe S. Zijlstra, Tobias Zier, Bernd Bauerhenne, Sergej Krylow, Philipp M. Geiger, Mar-

tin E. Garcia, Femtosecond-laser-induced bond breaking and structural modications in sili-

con, TiO2 , and defective graphene - an ab initio molecular dynamics study, Appl. Phys. A,

vol. 114, pp. 1–9, (2014).

Eeuwe S. Zijlstra, Fairoja C. Kabeer, Bernd Bauerhenne, Tobias Zier, Naira Grigoryan,

Martin E. Garcia, Modeling of material properties after ultrashort laser and XUV excita-

tion, Appl. Phys. A, vol. 110, pp. 519–528, (2013).