TQO members
Prof. Dr. Otfried Gühne
Lehrstuhlinhaber
Contact
otfried.guehne@uni-siegen.de
+49 271 740-3707
ENC-B 109
Walter-Flex-Straße 3
Prof. Dr. Stefan Nimmrichter
Professor
Contact
stefan.nimmrichter@uni-siegen.de
+49 271 740-3873
ENC-B 004
Walter-Flex-Straße 3
Daniela Lehmann
Secretariat
Contact
lehmann@physik.uni-siegen.de
+49 271 740-3708
ENC-B 108
Walter-Flex-Straße 3
PD Dr. Chau Nguyen
Temporary Academic Councillor
Contact
Chau.Nguyen@uni-siegen.de
+271 740-3506
ENC-B 110
Walter-Flex-Straße 3
Ph.D. Ismaël Septembre
Research assistant
Contact
ismael.septembre@uni-siegen.de
+49 271 740-3702
ENC-B 003
Walter-Flex-Straße 3
Dr. Giulio Gasbarri
Wissenschaftliche*r Mitarbeiter*in
Contact
Giulio.Gasbarri@uni-siegen.de
ENC-B 010
Walter-Flex-Straße 3
Dr. Giuseppe Viola
Research assistant
Contact
Giuseppe.Viola@uni-siegen.de
+49 271 740-3755
ENC-B 012
Walter-Flex-Straße 3
Dr. Raphael Mothe
Humboldt Research Fellow (Postdoc)
Contact
Raphael.Mothe@uni-siegen.de
Kenneth Goodenough
Scholarship holder (AvH Scholarship)
Contact
0271 740-3708
ENC-B 101
Walter-Flex-Straße 3
Albert Rico
Wissenschaftliche*r Mitarbeiter*in
Contact
+49 271 740-3797
ENC-B 105
Walter-Flex-Straße 3
Lisa Teresa Weinbrenner
Doctoral candidate
Contact
Lisa.Weinbrenner@uni-siegen.de
+49 271 740 3797
Sophia Denker
Doctoral candidate
Contact
sophia.denker@student.uni-siegen.de
Fynn Otto
Doctoral candidate
Contact
fynn.otto@student.uni-siegen.de
+49 271 740-3797
ENC-B 105
Walter-Flex-Straße 3
Elisa Monchietti
Doctoral candidate
Contact
elisa.monchietti@uni-siegen.de
+49 271 740-3797
Sander Stammbach
Doctoral candidate
Contact
sander.stammbach@uni-siegen.de
+49 271 740-3708
ENC-B 003
Walter-Flex-Straße 3
Siyuan Qi
Doctoral candidate
Contact
Adam Fredriksson
Doktorand*in
Contact
| Mengying Hu | Exchange PhD student | mengying_hu@outlook.com | Mengying Hu |
| Maik Romancewicz | MSc. student | maik.romancewicz@student.uni-siegen.de | Maik Romancewicz |
| Abishek Yadav | MSc. student | abhishek.yadav@student.uni-siegen.de | Abishek Yadav |
| Drashti Shamjibhai Dhoriyani | MSc. student | drashtiben.dhoriyani@student.uni-siegen.de | Drashti Shamjibhai Dhoriyani |
| Vibhu Kapadia | Exchange MSc. student | Vibhu Kapadia |
Former members
| Ritu Dhaulakhandi | PhD student | 2024 - 2026 | |
| Joel Huber | PhD student | 2025 - 2026 | |
| Ramona Wolf | Jun. prof. | 2024 - 2026 | |
| Matthias Kleinmann | Priv.-Doz. | 2017 - 2026 | |
| Leonardo S. V. Santos | PhD student | 2023 - 2026 | PhD thesis |
| Ties Ohst | PhD student | 2022 - 2026 | PhD-Thesis |
| Ahana Ghoshal | Postdoc | 2023 - 2025 | |
| Michael Gaida | PhD student | 2022 - 2025 | PhD-Thesis |
| Mei Yu | PhD student | 2022 - 2025 | PhD-Thesis |
| Benjamin Yadin | Postdoc | 2021 - 2025 | |
| Carlos de Gois | PhD student | 2021 - 2025 | PhD-Thesis |
| Marta M. Marchese | Postdoc | 2022 - 2025 | |
| Lina Vandré | PhD student | 2021 - 2025 | PhD-Thesis |
| Tim Achenbach | MSc. student | 2024 - 2025 | |
| Julia Boeyens | PhD student | 2020 - 2025 | PhD-Thesis |
| Sebastian Schlösser | MSc. student | 2023 - 2025 | |
| Konrad Szymański | Postdoc | 2021 - 2025 | |
| Jan Lennart Bönsel | PhD student | 2021 - 2025 | PhD-Thesis |
| Kiara Hansenne | PhD student | 2020 - 2024 | PhD-Thesis |
| Martin Plávala | Postdoc | 2019 - 2024 | |
| Ye-Chao Liu | Postdoc | 2021 - 2024 | |
| Satoya Imai | PhD student | 2019 - 2023 | PhD-Thesis |
| Jonathan Steinberg | PhD student | 2019 - 2023 | PhD-Thesis |
| Yien Liang | Exchange student | 2021 - 2023 | |
| Isadora Veeren | Exchange PhD student | 2021 - 2022 | |
| Salwa Shaglel | MSc. student | 2020 - 2022 | |
| Pascal Höhn | MSc. student | 2020 - 2022 | |
| Fabian Bernards | PhD student | 2018 - 2022 | PhD-Thesis |
| Zhen-Peng Xu | Postdoc | 2019 - 2022 | |
| Jens Borgemeister | MSc. student | 2020 - 2022 | |
| Ankit Jha | Exchange student | 2022 - 2022 | |
| Sabiha Durucan | MSc. student | 2020 - 2022 | |
| René Schwonnek | Postdoc | 2020 - 2022 | |
| Xiao-Dong Yu | Postdoc | 2018 - 2022 | |
| Timo Simnacher | PhD student | 2018 - 2022 | PhD-Thesis |
| Tristan M. Kraft | PhD student | 2017 - 2021 | PhD-Thesis |
| Yuanyuan Mao | Postdoc | 2019 - 2021 |
| Nikolai Wyderka | PhD student | 2016 - 2020 | PhD-Thesis |
| Siddardha Chelluri | Project student | 2020 - 2020 | |
| Marcel Seelbach | MSc. student | 2018 - 2020 | |
| Cornelia Spee | Postdoc | 2018 - 2020 | |
| Mariami Gachechiladze | PhD student | 2015 - 2019 | PhD-Thesis |
| Gael Sentís | Postdoc | 2016 - 2019 | |
| Christina Ritz | PhD student | 2015 - 2019 | PhD-Thesis |
| Roope Uola | PhD student | 2015 - 2019 | PhD-Thesis |
| Andreas Ketterer | Postdoc | 2017 - 2019 | |
| Ana Cristina Sprotte Costa | Postdoc | 2016 - 2019 | |
| Felix Huber | PhD student | 2015 - 2018 | PhD-Thesis |
| Nikoloz Tsimakuridze | Exchange PhD student | 2017 - 2018 | |
| Jiangwei Shang | Postdoc | 2016 - 2018 | |
| Ali Asadian | Postdoc | 2015 - 2018 | |
| Jannik Hoffmann | MSc. student | 2016 - 2017 | |
| Nikolai Miklin | PhD student | 2014 - 2017 | PhD-Thesis |
| Sanah Altenburg | PhD student | 2015 - 2017 | PhD-Thesis |
| Sabine Wölk | Postdoc | 2013 - 2017 | |
| Costantino Budroni | Postdoc | 2012 - 2017 | |
| Fabiano Lever | MSc. student | 2016 - 2017 | |
| Marius Paraschiv | PhD student | 2014 - 2017 | PhD-Thesis |
| Shin-Liang Chen | Exchange PhD student | 2016 - 2017 |
| Frank E. S. Steinhoff | Postdoc | 2013 - 2015 | |
| Martin Hoffmann | PhD student | 2011 - 2014 | PhD-Thesis |
| Tobias Moroder | Postdoc | 2010 - 2014 | |
| Lars Erik Buchholz | MSc. student | 2012 - 2013 | |
| Bastian Jungnitsch | PhD student | 2008 - 2012 | PhD-Thesis |
| Sönke Niekamp | PhD student | 2008 - 2012 | PhD-Thesis |
| Leonardo Novo | Exchange PhD student | 2012 - 2012 | |
| Marcel Bergmann | MSc. student | 2011 - 2012 | |
| Jochen Szangolies | MSc. student | 2011 - 2012 | |
| Mazahr Ali | Postdoc | 2011 - 2011 | |
| Oleg Gittsovich | PhD student | 2008 - 2010 | |
| Christian Knapp | MSc. student | 2007 - 2009 |
Master's theses
| Tim Achenbach | Incompatible quantum measurements, Bell nonlocality and entanglement between cones | 2025 | |
| Sebastian Schlösser | 2025 | ||
| Fynn Otto | Rotationally covariant quantum operations of spin systems | 2024 | |
| Sophia Denker | Characterizing multiparticle entanglement using the Schmidt decomposition of operators | 2023 | book |
| Salwa Shaglel | Estimating the entangling power of a two-qubit gate from measurement data: artificial neural networks and randomized measurements versus standard tomography methods | 2022 | |
| Sabiha Durucan | Characterizing key rates in quantum cryptography with convex optimization | 2022 | |
| Lisa Weinbrenner | Characterization of waiting times in different models of quantum networks | 2022 | book |
| Jens Borgemeister | Correlations and Dynamics of Spin Systems in Quantum Simulations | 2022 | |
| Pascal Höhn | Constructive Methods for State-independent Contextuality | 2022 | |
| Michael Gaida | Measurement - based models of friction and dissipative collapse | 2022 |
| Jonathan Steinberg | Extensions and restrictions of generalized probabilistic theories | 2019 | book |
| Marcel Seelbach Benkner | Bound entanglement in dxd-systems with symmetry | 2019 | |
| Fabian Bernards | Properties and Generalizations of Daemonic Ergotropy | 2018 | |
| Florian Köppen | Determination of secure key rates in quantum cryptography | 2017 | |
| Jannik Hoffmann | Temporal correlations in quantum theory | 2016 | |
| Tristan Kraft | Certifying high-dimensional entanglement | 2016 | |
| Fabiano Lever | Measurement incompatibility as a quantum resource | 2016 |
| Christina Ritz | Equivalence classes of entanglement in tripartite systems | 2014 | |
| Lars-Erik Buchholz | Entanglement properties of multiparticle systems with GHZ symmetry | 2013 | |
| Jochen Szangolies | The Kochen-Specker theorem: Analysis of realistic error models | 2012 | |
| Marcel Bergmann | Multipartite entanglement criteria for fat states | 2012 | |
| Christian Knapp | Multipartite and bounded entanglement in spin models | 2008 |