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Dr. Patrick Fritzsch

Assistant Professor (Pure & Applied Mathematics)

 fritzscp@tcd.ie

 


Research Tags

  Hadron and Flavour Physics   High Performance Computing   Lattice Field Theory   Master-field simulation

Research Projects

 Physics from the master-field

Representations

Details Date
Expert for European Commission, mostly for EuroHPC activities
Co-founder of the OpenLat initiative (https://openlat1.gitlab.io), overseeing the gauge field generation and leader of the flavour physics & Symanzik improvement working group.
As continuation from last year, I am still co-advising a BSc and MSc student at University of Muenster, Germany, in the group of Prof. J. Heitger.
External Examiner for Bachelor, Master and PhD thesis in my wider research area

Languages

Language Skill Reading Skill Writing Skill Speaking
English Fluent Fluent Fluent
German Fluent Fluent Fluent

Memberships

Membership of Professional Institutions, Associations, Societies

Details Date From Date To
Member of the German Physical Society (DPG) October 1999
Co-founder and leading member of the Open Lattice Initiative, an association of lattice scientists in the EU & US to promote new developments, young researchers and open science. 2019
Paola Tavella, Anian Altherr, Lucius Bushnaq, Isabel Campos, Marco Catillo, Alessandro Cotellucci, Madeleine Evie Beth Dale, Patrick Fritzsch, Roman Gruber, Javad Komijani, Jens Lücke, Marina Marinkovic, Sofie Martins, Agostino Patella, Nazario Tantalo, RC* collaboration, Strange and charm contributions to the HVP from C* boundary conditions, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2023, Journal Article, PUBLISHED  DOI
Anthony Sebastian Francis, Francesca Cuteri, Patrick Fritzsch, Giovanni Pederiva, Antonio Rago, Andrea Shindler, André Walker-Loud, Savvas Zafeiropoulos, Gauge generation and dissemination in OpenLat, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2023, Journal Article, PUBLISHED  DOI
Jens Lücke, Anian Altherr, Lucius Bushnaq, Isabel Campos, Marco Catillo, Alessandro Cotellucci, Madeleine Evie Beth Dale, Patrick Fritzsch, Roman Gruber, Marina Marinkovic, Agostino Patella, Nazario Tantalo, Paola Tavella, RC* collaboration, $N_f = 1+2+1$ QCD+QED simulations with C$, \star$ boundary conditions, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2023, Journal Article, PUBLISHED  DOI
Alessandro Cotellucci, Anian Altherr, Lucius Bushnaq, Isabel Campos, Marco Catillo, Madeleine Evie Beth Dale, Patrick Fritzsch, Roman Gruber, Jens Lücke, Marina Marinkovic, Agostino Patella, Nazario Tantalo, Paola Tavella, RC* collaboration, Tuning of QCD+QED simulations with C$, \star$ boundary conditions, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2023, Journal Article, PUBLISHED  DOI
Giovanni Pederiva, Francesca Cuteri, Anthony Francis, Patrik Fritzsch, Antonio Rago, Andrea Shindler, André Walker-Loud, Savvas Zafeiropoulos, Benchmark Continuum Limit Results for Spectroscopy with Stabilized Wilson Fermions, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2023, Journal Article, PUBLISHED  DOI
L. Chimirri, P. Fritzsch, J. Heitger, F. Joswig, M. Panero, C. Pena, D. Preti, Non-perturbative renormalisation and improvement of non-singlet tensor currents in $N_\mathrm{f}=3$ QCD, 2023, Journal Article, PUBLISHED  DOI
Marco Cè, Mattia Bruno, John Bulava, Anthony Francis, Patrick Fritzsch, Jeremy R. Green, Maxwell T. Hansen, Antonio Rago, Hadronic observables from master-field simulations, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2023, Journal Article, PUBLISHED  DOI
Justus T. Kuhlmann, Patrick Fritzsch, Jochen Heitger, On improvement of the axial-vector current with stabilised Wilson fermions, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2023, Journal Article, PUBLISHED  DOI
Mattia Bruno, Marco Cè, Anthony Francis, Patrick Fritzsch, Jeremy R. Green, Maxwell T. Hansen, Antonio Rago, Exploiting stochastic locality in lattice QCD: hadronic observables and their uncertainties, 2023, Journal Article, PUBLISHED  DOI
Roman Gruber, Anian Altherr, Lucius Bushnaq, Isabel Campos, Marco Catillo, Alessandro Cotellucci, Madeleine Evie Beth Dale, Patrick Fritzsch, Javad Komijani, Jens Lücke, Marina Marinkovic, Sofie Martins, Agostino Patella, Nazario Tantalo, Paola Tavella, Hadronic vacuum polarization with C* boundary conditions, Proceedings of The 39th International Symposium on Lattice Field Theory " PoS(LATTICE2022), 2022, Journal Article, PUBLISHED  DOI
  

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Awards and Honours

Award Date
Postdoctoral Fellowship at CERN November 2016
Postdoctoral Fellowship in excellence grant SO(IFT) November 2014
Marie Curie Early Stage Researcher October 2008

Research Interests

Description Of Research Interests

The Standard Model (SM) of particle physics is a gauged quantum field theory containing the internal symmetries of the unitary product group SU(3)×SU(2)×U(1). The theory is commonly viewed as containing a fundamental set of particles - the leptons, quarks, gauge bosons and the Higgs boson. Within the SM, the SU(3)-color symmetry group is the building block for Quantum Chromodynamics (QCD), the theory of the strong interaction between quarks and gluons. These fundamental particles make up composite hadrons such as the proton, neutron and pion. The complicated nature of this interaction requires to formulate QCD on a space-time lattice in order to determine physical properties of hadrons measured in collider experiments around the world. In my research I employ such a lattice discretisation and high-performant supercomputers or clusters to determine how hadrons decay and interact with each other. Understanding their interaction with high accuracy informs ongoing searches for physics beyond the SM and sheds light on some important scientific questions of our times, e.g., about the baryon asymmetry of our universe or the origin of dark matter. The key tools of my research involve, e.g., programming and running large scale simulations, numerical analysis, flavour physics and effective field theories. I am working on reducing systematic effects in present day lattice QCD calculations with Wilson fermions to push their applicability to processes mainly addressed by other discretisation to date. Ultimately, I want to include electromagnetic (QED) and strong isospin-breaking effects, such that - just as in nature - u, d, s and c quarks are not identical and carry an electric charge. Most recently, I have been working on a better discretisation and establishing the master-field approach as a new way to determine hadron properties.