Professor Andreas Juttner

Andreas Jüttner is an Professor of Theoretical Physics in the Southampton High Energy Physics Group. After graduating from Friedrich-Alexander Universität Erlangen-Nürnberg he did a PhD in Computational Particle Physics at the Humboldt Universität zu Berlin. After his time as a post doc in Southampton and Mainz (Germany) he spent time at CERN in Geneva, Switzerland, as a CERN Fellow in the Theory Department. He returned to Southampton on an European Research Council Starting Grant in 2012. Andreas is currently on leave of absence on a staff position in the CERN Theory Department.

Until 05/2021 Andreas was director of the EPSRC Centre for Doctoral Training "Next Generation Computational Modelling". He is founding member of the Flavour Lattice Averaging Group (FLAG) where he is currently on the Editorial Board.

Research

Research interests

Andreas' research focuses on understanding the fundamental constituents of matter. He is particularly interested in the theory of strong interactions that describes how quarks and gluons interact to form mesons and baryons (e.g. protons, which make up the visible matter surrounding us). His research addresses the many unresolved questions still remaining such as why there is more matter than anti-matter in the universe and how the universe began. His results help understanding experimental findings coming in from the experimental facilities at e.g. the LHC at CERN in Switzerland (e.g.LHCb), KEK in Japan (BelleII), Fermilabin the US (g-2) and J-PARC in Japan (g-2).

Andreas is also interested in the development and improvement of simulations algorithms and in applying lattice techniques in other research areas. The aspects of the strong interaction Andreas is most interest in can be understood by means of numerical simulations, solving the equations of motion on high performance computers (Lattice Quantum Field Theory). To this end he is PI for a large computing time grant on DiRAC's super computers and he is also using computing resources for instance in the US or Southampton's Iridis compute cluster. He is member of the RBC/UKQCD collaboration and he is collaborating with researchers from Edinburgh, the US (Columbia University, Brookhaven National lab), Germany, Denmark and Japan (KEK).

More recently Andreas is using his expertise to address questions in Holographic Cosmology and Machine Learning.

Publications

Boyle, P.A., Flynn, J.M., Juttner, A., Kenway, R.D., Sachrajda, C.T., Sasaki, S., Soni, A., Tweedie, R.J. and Zanotti, J.M. (2007) K(l3) form factor with N(f) = 2+1 dynamical domain wall fermions: A progress report. Journal of Physics: Conference Series, 110, 102012 -[6pp]. (doi:10.1088/1742-6596/110/10/102012).

Flynn, J.M., Juttner, A., Sachrajda, C.T., Boyle, P.A. and Zanotti, J.M (2007) Hadronic form factors in lattice QCD at small and vanishing momentum transfer. Journal of High Energy Physics, 5, 16-37. (doi:10.1088/1126-6708/2007/05/016).

Boyle, P.A., Donnellan, M.A., Flynn, J.M., Juttner, A., Noaki, J., Sachrajda, C.T. and Tweedie, R.J. (2006) A lattice computation of the first moment of the kaon's distribution amplitude. Physics Letters B, 641 (1), 67-74. (doi:10.1016/j.physletb.2006.07.033).

Antonio, D., Boyle, P.A., Donnellan, M.A., Flynn, J., Juttner, A., Maynard, C., Pendleton, B., Sachrajda, C.T. and Tweedie, R. (2007) Lattice results for vector meson couplings and parton distribution amplitudes. Bali, Gunnar, Braun, Vladimir, Gattringer, Christof, Göckeler, Meinulf, Schäfer, Andreas, Weisz, Peter and Wettig, Tilo (eds.) In Proceedings of Lattice 2007, The XXV International Symposium on Lattice Field Theory. International School for Advanced Studies. 7 pp .

Flynn, Jonathan, Juttner, Andreas, Sachrajda, Christopher and Villadoro, Giovanni (2006) Partially twisted boundary conditions in lattice simulations. In Proceedings of Science (PoS) LAT2005. Proceedings of Science. pp. 352-357 .

Aoki, Y., Boyle, P.A., Christ, N.H., Dawson, C., Donnellan, M.A., Izubuchi, T., Jüttner, A., Li, S., Mawhinney, R.D., Noaki, J., Sachrajda, C., Soni, A., Tweedie, R.J. and Yamaguchi, A. (2008) Nonperturbative renormalization of quark bilinear operators and Bk using domain wall fermions. Physical Review D, 78 (5), 054510-[28pp]. (doi:10.1103/PhysRevD.78.054510).

Boyle, P.A., Flynn, J.M., Juttner, A., Kelly, C., Maynard, C., de Lima, H. Pedroso, Sachrajda, C.T. and Zanotti, J.M. , RBC-UKQCD Collaboration (2010) K→π form factors with reduced model dependence. The European Physical Journal C, 69 (1-2), 159-167. (doi:10.1140/epjc/s10052-010-1405-4).

Antonelli, M., Asner, D.M., Bauer, D., Becher, T., Beneke, M., Bevan, A.J., Blanke, M., Bloise, C., Bona, M., Bondar, A., Bozzi, C., Brod, J., Buras, A.J., Cabibbo, N., Carbone, A., Cavoto, G., Cirigliano, V., Ciuchini, M., Coleman, J.P., Cronin-Hennessy, D.P., Dalseno, J.P., Davies, C.H., DiLodovico, F., Dingfelder, J., Dolezal, Z., Donati, S., Dungel, W., Egede, U., Eigen, G., Faccini, R., Feldmann, T., Ferroni, F., Flynn, J.M., Franco, E., Fujikawa, M., Furic, I.K., Gambino, P., Gardi, E., Gershon, T.J., Giagu, S., Golowich, E., Goto, T., Greub, C., Grojean, C., Guadagnoli, D., Haisch, U.A., Harr, R.F., Hoang, A.H., Hurth, T., Isidori, G., Jaffe, D.E., Jüttner, A., Jäger, S., Khodjamirian, A., Koppenburg, P., Kowalewski, R.V., Krokovny, P., Kronfeld, A.S., Laiho, J., Lanfranchi, G., Latham, T.E., Libby, J., Limosani, A., Pegna, D.Lopes, Lu, C.D., Lubicz, V., Lunghi, E., Lüth, V.G., Maltman, K., Marciano, W.J., Martin, E.C., Martinelli, G., Martinez-Vidal, F., Masiero, A., Mateu, V., Mescia, F., Mohanty, G., Moulson, M., Neubert, M., Neufeld, H., Nishida, S., Offen, N., Palutan, M., Paradisi, P., Parsa, Z., Passemar, E., Patel, M., Pecjak, B.D., Petrov, A.A., Pich, A., Pierini, M., Plaster, B., Powell, A., Prell, S., Rademaker, J., Rescigno, M., Ricciardi, S., Robbe, P., Rodrigues, E., Rotondo, M., Sacco, R., Schilling, C.J., Schneider, O., Scholz, E.E., Schumm, B.A., Schwanda, C., Schwartz, A.J., Sciascia, B., Serrano, J., Shigemitsu, J., Shipsey, I.J., Sibidanov, A., Silvestrini, L., Simonetto, F., Simula, S., Smith, C., Soni, A., Sonnenschein, L., Sordini, V., Sozzi, M., Spadaro, T., Spradlin, P., Stocchi, A., Tantalo, N., Tarantino, C., Telnov, A.V., Tonelli, D., Towner, I.S., Trabelsi, K., Urquijo, P., van de Water, R.S., van Kooten, R.J., Virto, J., Volpi, G., Wanke, R., Westhoff, S., Wilkinson, G., Wingate, M., Xie, Y. and Zupan, J. (2009) Flavor physics in the quark sector. Pre-print, (arXiv:0907.538), 1-342.

Boyle, P.A., Kelly, C., Maynard, C., Zanotti, J.M., Flynn, J.M., Pedroso de Lima, H., Sachrajda, C.T. and Juttner, A. (2009) Determining the Kl3 form factors directly at zero momentum transfer. XXVII International Symposium on Lattice Field Theory (LAT2009), Beijing, China. 25 - 30 Jul 2009. 7 pp .

Della Morte, Michele, Jäger, Benjamin, Juttner, Andreas and Wittig, Hartmut (2012) Towards a precise lattice determination of the leading hadronic contribution to (g-2)_mu. Journal of High Energy Physics, 2012 (3), 1-19. (doi:10.1007/JHEP03(2012)055).

Morte, Michele Della, Dürr, Stephan, Guazzini, Damiano, Sommer, Rainer, Heitger, Jochen and Jüttner, Andreas , The ALPHA Collaboration (2008) Heavy-strange meson decay constants in the continuum limit of quenched QCD. Journal of High Energy Physics, 2008 (2), 1-28. (doi:10.1088/1126-6708/2008/02/078).

Boyle, P.A., Kelly, C., Kenway, R.D. and Jüttner, A. (2008) Use of stochastic sources for the lattice determination of light quark physics. Journal of High Energy Physics, 2008 (08/086), 1-24. (doi:10.1088/1126-6708/2008/08/086).

Capitani, S., Della Morte, M., von Hippel, G., Jäger, B., Jüttner, A., Knippschild, B., Meyer, H. B. and Wittig, H. (2012) Nucleon axial charge in lattice QCD with controlled errors. Physical Review D, 86 (7), 074502-[6 pages]. (doi:10.1103/PhysRevD.86.074502).

Boyle, P. A., Flynn, J. M., Garron, N., Jüttner, A., Sachrajda, C. T., Sivalingam, K. and Zanotti, J. M. (2013) The kaon semileptonic form factor with near physical domain wall quarks. Journal of High Energy Physics, 2013 (8). (doi:10.1007/JHEP08(2013)132).

Jüttner, A., Flynn, J.M., Sachrajda, C.T., Boyle, P.A., Mawhinney, R.D., Yin, H., Garron, N. and Sivalingam, K. (2013) Kaon semileptonic decay from the SU(3)-symmetric point down to physical quark masses. LATTICE 2013: 31st International Symposium on Lattice Field Theory, Mainz, Germany. 28 Jul - 02 Aug 2013.

Brandt, Bastian B., Juttner, Andreas and Wittig, Hartmut (2013) The pion vector form factor from lattice QCD and NNLO chiral perturbation theory. Journal of High Energy Physics, 11 (34), 1-37. (doi:10.1007/JHEP11(2013)034).

Juttner, A. and Sachrajda, C.T. , Flavour Lattice Averaging Group (FLAG) (2014) Review of lattice results concerning low-energy particle physics. The European Physical Journal C, 74, [2890]. (doi:10.1140/epjc/s10052-014-2890-7).

Blum, T., Boyle, P.A., Christ, N.H., Frison, J., Garron, N., Hudspith, R.J., Izubuchi, T., Janowski, T., Jung, C., Jüttner, A., Kelly, C., Kenway, R.D., Lehner, C., Marinkovic, M., Mawhinney, R.D., McGlynn, G., Murphy, D.J., Ohta, S., Portelli, A., Sachrajda, C.T. and Soni, A. (2016) Domain wall QCD with physical quark masses. Physical Review D, 93 (7), 1-68. (doi:10.1103/PhysRevD.93.074505).

Cho, Yong-Gwi, Hashimoto, Shoji, Juttner, Andreas, Kaneko, Takashi, Marinkovic, Marina, Noaki, Jun-Ichi and Tsang, Justus Tobias (2015) Improved lattice fermion action for heavy quarks. Journal of High Energy Physics, 2015 (72), 1-32. (doi:10.1007/JHEP05(2015)072).

Boyle, P.A., Christ, N.H., Flynn, J.M., Garron, N., Jung, C., Juttner, A., Mawhinney, R.D., Murphy, D., Sachrajda, C.T., Sanfilippo, F. and Yin, H. (2015) The kaon semileptonic form factor in N f = 2 + 1 domain wall lattice QCD with physical light quark masses. Journal of High Energy Physics, 2015 (164), 1-22. (doi:10.1007/JHEP06(2015)164).

Boyle, P.A., Christ, N.H., Garron, N., Jung, C., Juttner, A., Kelly, C., Mawhinney, R.D., McGlynn, G., Murphy, D.J., Ohta, S., Portelli, A. and Sachrajda, C.T. (2016) Low energy constants of SU(2) partially quenched chiral perturbation theory from Nf=2+1 domain wall QCD. Physical Review D, 93 (5), 1-43. (doi:10.1103/PhysRevD.93.054502).

Blum, T., Boyle, P. A., Del Debbio, L., Hudspith, R. J., Izubuchi, T., Juttner, A., Lehner, C., Lewis, R., Maltman, K., Krstic Marinkovic, M., Portelli, A. and Spraggs, M. (2016) Lattice calculation of the leading strange quark-connected contribution to the muon g - 2. Journal of High Energy Physics, 2016 (63), 1-20. (doi:10.1007/JHEP04(2016)063).

Boyle, P., Juttner, A., Krstic Marinkovic, M., Sanfilippo, F., Spraggs, M. and Tsang, J.T. (2016) An exploratory study of heavy domain wall fermions on the lattice. Journal of High Energy Physics, 2016 (37), 1-24. (doi:10.1007/JHEP04(2016)037).

Blum, T., Boyle, P.A., Izubuchi, T., Jin, L., Juttner, A., Lehner, C., Maltman, K., Marinkovic, M., Portelli, A. and Spraggs, M. (2016) Calculation of the hadronic vacuum polarization disconnected contribution to the muon anomalous magnetic moment. Physical Review Letters, 116 (23), 1-6, [232002]. (doi:10.1103/PhysRevLett.116.232002).

Christ, Norman H., Feng, Xu, Jüttner, Andreas, Lawson, Andrew, Portelli, Antonin and Sachrajda, Christopher T. (2016) First exploratory calculation of the long-distance contributions to the rare kaon decays K→πℓ⁺ℓ^-. Physical Review D, 94 (11), 1-18, [114516]. (doi:10.1103/PhysRevD.94.114516).

Juttner, Andreas , Flavour Lattice Averaging Group (FLAG) (2017) Review of lattice results concerning low-energy particle physics. The European Physical Journal C, 77, [112]. (doi:10.1140/epjc/s10052-016-4509-7).

Jüttner, Andreas, Litim, Daniel F. and Marchais, Edouard (2017) Global Wilson–Fisher fixed points. Nuclear Physics B, 921, 769-795. (doi:10.1016/j.nuclphysb.2017.06.010).

Boyle, P., Gülpers, V., Harrison, J., Jüttner, A., Lehner, C., Portelli, A. and Sachrajda, C.T. (2017) Isospin breaking corrections to meson masses and the hadronic vacuum polarization: a comparative study. Journal of High Energy Physics, 2017 (9), [153]. (doi:10.1007/JHEP09(2017)153).

Boyle, P.A., Del Debbio, L., Jüttner, A., Khamseh, A., Sanfilippo, F. and Tsang, J.T. , The RBC/UKQCD collaboration (2017) The decay constants fD and fDs in the continuum limit of N=2+1 domain wall lattice QCD. Journal of High Energy Physics, 12 (12), [8]. (doi:10.1007/JHEP12(2017)008).

Boyle, Peter, Hudspith, Renwick James, Izubuchi, Taku, Jüttner, Andreas, Lehner, Christoph, Lewis, Randy, Maltman, Kim, Ohki, Hiroshi, Portelli, Antonin and Spraggs, Matthew (2018) | V_us | determination from inclusive strange tau decay and lattice HVP. EPJ Web of Conferences, 175, 1-8, [13011]. (doi:10.1051/epjconf/201817513011).

Boyle, Peter, Gülpers, Vera, Harrison, James, Jüttner, Andreas, Portelli, Antonin and Sachrajda, Christopher (2018) Numerical investigation of finite-volume effects for the HVP. EPJ Web of Conferences, 175, 1-8, [06022]. (doi:10.1051/epjconf/201817506022).

Cossu, Guido, Boyle, Peter, Christ, Norman, Jung, Chulwoo, Jüttner, Andreas and Sanfilippo, Francesco (2018) Testing algorithms for critical slowing down. EPJ Web of Conferences, 175, [02008]. (doi:10.1051/epjconf/201817502008).

Boyle, Peter A., Debbio, Luigi Del, Jüttner, Andreas, Khamseh, Ava, Tsang, Justus Tobias and Witzel, Oliver (2018) Heavy domain wall fermions: The RBC and UKQCD charm physics program. EPJ Web of Conferences, 175, [13013]. (doi:10.1051/epjconf/201817513013).

Boyle, Peter, Guelpers, Vera, Harrison, James, Juettner, Andreas, Lehner, Christoph, Portelli, Antonin and Sachrajda, Christopher (2018) Isospin breaking corrections to the HVP with Domain Wall fermions. EPJ Web of Conferences, 175, [06024]. (doi:10.1051/epjconf/201817506024).

Blum, T., Boyle, P.A., Gülpers, V., Izubuchi, T., Jin, L., Jung, C., Jüttner, A., Lehner, C., Portelli, A. and Tsang, J.T. , (RBC and UKQCD Collaborations) (2018) Calculation of the Hadronic vacuum polarization contribution to the Muon anomalous magnetic moment. Physical Review Letters, 121 (2), [022003]. (doi:10.1103/PhysRevLett.121.022003).

Boyle, Peter, Hudspith, Renwick James, Izubuchi, Taku, Jüttner, Andreas, Lehner, Christoph, Lewis, Randy, Maltman, Kim, Ohki, Hiroshi, Portelli, Antonin and Spraggs, Matthew (2018) Novel |V_us | determination using inclusive strange τ decay and lattice Hadronic vacuum polarization functions. Physical Review Letters, 121 (20), 1-6, [202003]. (doi:10.1103/PhysRevLett.121.202003).

Davoudi, Zohreh, Harrison, James, Jüttner, Andreas, Portelli, Antonin and Savage, Martin J. (2019) Theoretical aspects of quantum electrodynamics in a finite volume with periodic boundary conditions. Physical Review D, 99, [034510]. (doi:10.1103/PhysRevD.99.034510).

Flynn, Jonathan M., Hill, Ryan C., Jüttner, Andreas, Soni, Amarjit, Tsang, Justus Tobias and Witzel, Oliver (2019) Semi-leptonic form factors for Bs→ K\ell ν and Bs → Ds \ell ν. Proceedings of Science, Lattice2018.

Flynn, Jonathan, Jüttner, Andreas, Kawanai, Taichi, Lizarazo, Edwin and Witzel, Oliver (2015) Hadronic form factors for rare semileptonic B decays. Proceedings of Science, LATTICE2015, [345].

Flynn, Jonathan, Izubuchi, Taku, Juttner, Andreas, Kawanai, Taichi, Lehner, Christoph, Lizarazo, Edwin, Soni, Amarjit, Tsang, Justus Tobias and Witzel, Oliver (2016) Form factors for semi-leptonic B decays. Proceedings of Science, LATTICE2016, [296].

Bijnens, J., Harrison, J., Hermansson-Truedsson, N., Janowski, T., Jüttner, A. and Portelli, A. (2019) Electromagnetic finite-size effects to the hadronic vacuum polarization. Physical Review D, 100 (1), 1-22, [014508]. (doi:10.1103/PhysRevD.100.014508).

Hermansson-Truedsson, Nils, Bijnens, Johan, Harrison, James, Janowski, Tadeusz, Jüttner, Andreas and Portelli, Antonin (2020) Electromagnetic finite-size effects to the hadronic vacuum polarisation. Proceedings of Science, 363. (doi:10.22323/1.363.0018).

Lee, Joseph K. L., Debbio, Luigi Del, Jüttner, Andreas, Portelli, Antonin and Skenderis, Kostas (2020) Towards a holographic description of cosmology: Renormalisation of the energy-momentum tensor of the dual QFT. PoS.

Cossu, Guido, Del Debbio, Luigi, Juttner, Andreas, Kitching-Morley, Ben, Lee, Joseph K. L., Portelli, Antonin, Rocha, Henrique Bergallo and Skenderis, Kostas (2021) Nonperturbative infrared finiteness in super-renormalisable scalar quantum field theory. Physical Review Letters, 126 (22), [221601]. (doi:10.1103/PhysRevLett.126.221601).

Debbio, Luigi Del, Dobson, Elizabeth, Jüttner, Andreas, Kitching-Morley, Ben, Lee, Joseph K. L., Nourry, Valentin, Portelli, Antonin, Rocha, Henrique Bergallo and Skenderis, Kostas (2021) Renormalisation of the energy-momentum tensor in three-dimensional scalar $SU(N)$ theories using the Wilson flow. Physical Review D, 103 (11), [114501]. (doi:10.1103/PhysRevD.103.114501).

(2022) Data for Thesis "$B\to\pi\ell\nu$ and $B_s\to K\ell\nu$ decays in the Continuum Limit of Lattice QCD". University of Southampton doi:10.5258/SOTON/D2195 [Dataset]

Contact

Telephone: +44 (0) 23 8059 7343

Email: juettner@soton.ac.uk

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