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1.
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Phase Transitions in Particle Physics - Results and Perspectives from Lattice Quantum Chromo-Dynamics
/ Aarts, Gert (Swansea U. ; ECT, Trento ; Fond. Bruno Kessler, Trento) ; Aichelin, Joerg (SUBATECH, Nantes) ; Allton, Chris (Swansea U.) ; Athenodorou, Andreas (INFN, Pisa ; Cyprus Inst.) ; Bachtis, Dimitrios (Swansea U., Math. Dept.) ; Bonanno, Claudio (INFN, Florence ; Madrid, IFT ; Madrid, Autonoma U.) ; Brambilla, Nora (Munich, Tech. U.) ; Bratkovskaya, Elena (Darmstadt, GSI ; Frankfurt U. ; Helmholtz Res. Acad. Hesse for FAIR) ; Bruno, Mattia (Milan Bicocca U. ; INFN, Milan Bicocca) ; Caselle, Michele (Turin U.) et al.
Phase transitions in a non-perturbative regime can be studied by ab initio Lattice Field Theory methods. The status and future research directions for LFT investigations of Quantum Chromo-Dynamics under extreme conditions are reviewed, including properties of hadrons and of the hypothesized QCD axion as inferred from QCD topology in different phases. [...]
arXiv:2301.04382.-
2023-07-20 - 94 p.
- Published in : Prog. Part. Nucl. Phys. 133 (2023) 104070
Fulltext: PDF;
In : Axions across boundaries between Particle Physics, Astrophysics, Cosmology and forefront Detection Technologies, Florence, Italy, 26 Apr - 9 Jun 2023
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2.
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Composite dynamics in Sp(2N) gauge theories
/ Lee, Jong-Wan (Pusan Natl. U.) ; Bennett, Ed (Wales Inst. Math. Comput. Sci., Swansea) ; Hong, Deog Ki (Pusan Natl. U.) ; Hsiao, Ho (Taiwan, Natl. Chiao Tung U.) ; Lin, C.-J. David (Taiwan, Natl. Chiao Tung U. ; Taiwan, Chung Yuan Christian U.) ; Lucini, Biagio (Wales Inst. Math. Comput. Sci., Swansea ; Swansea U., Math. Dept.) ; Piai, Maurizio (Swansea U.) ; Vadacchino, Davide (CERN ; Plymouth U.)
Sp($2N$) gauge theories with fermonic matter provide an ideal laboratory to build extensions of the standard model based on novel composite dynamics. Examples include composite Higgs along with top partial compositeness and composite dark matter. [...]
arXiv:2211.09262; PNUTP-22/A07.-
2022 - 8 p.
- Published in : EPJ Web Conf.: 274 (2022) , pp. 08005
Fulltext: 2211.09262 - PDF; document - PDF;
In : 15th Conference on Quark Confinement and the Hadron Spectrum (Confinement XV), Stavanger, Norway, 1 - 6 Aug 2022, pp.08005
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3.
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Snowmass 2021 Computational Frontier CompF03 Topical Group Report: Machine Learning
/ Shanahan, Phiala (MIT) ; Terao, Kazuhiro (SLAC) ; Whiteson, Daniel (UC, Irvine) ; Aarts, Gert (Swansea U. ; ECT, Trento ; Fond. Bruno Kessler, Trento) ; Adelmann, Andreas (Northeastern U. ; PSI, Villigen) ; Akchurin, N. (Texas Tech.) ; Alexandru, Andrei (George Washington U. ; Maryland U.) ; Amram, Oz (Johns Hopkins U.) ; Andreassen, Anders (Google Inc.) ; Apresyan, Artur (Fermilab) et al.
The rapidly-developing intersection of machine learning (ML) with high-energy physics (HEP) presents both opportunities and challenges to our community. [...]
arXiv:2209.07559 ; FERMILAB-CONF-22-719-ND-PPD-QIS-SCD.
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Fermilab Library Server - eConf - Fulltext - Fulltext
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4.
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Efficient computations of continuous action densities of states for lattice models
/ Lucini, Biagio (Wales Inst. Math. Comput. Sci., Swansea) ; Francesconi, Olmo (Southern Denmark U., CP3-Origins ; U. Southern Denmark, Odense, DIAS) ; Holzmann, Markus (LPMMC, Grenoble) ; Lancaster, David (Plymouth U., Math. Stat. Dept.) ; Rago, Antonio (Plymouth U., Math. Stat. Dept. ; CERN)
The Logarithmic Linear Relaxation (LLR) algorithm is an efficient method for computing densities of states for systems with a continuous spectrum. A key feature of this method is exponential error reduction, which allows us to evaluate the density of states of a system over hundreds of thousands of orders of magnitude with a fixed level of relative accuracy. [...]
arXiv:2111.00353.-
2022 - 6 p.
- Published in : J. Phys. : Conf. Ser.: 2207 (2022) , no. 1, pp. 012052
Fulltext: document - PDF; 2111.00353 - PDF;
In : 32nd IUPAP Conference on Computational Physics, Online, 1 - 5 Aug 2021, pp.012052
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5.
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Gauge invariant determination of charged hadron masses
/ Hansen, Martin (Southern Denmark U., CP3-Origins) ; Lucini, Biagio (Swansea U. (main)) ; Patella, Agostino (CERN ; Plymouth U.) ; Tantalo, Nazario (U. Rome 2, Tor Vergata (main) ; INFN, Rome2)
In this paper we show, for the first time, that charged-hadron masses can be calculated on the lattice without relying on gauge fixing at any stage of the calculations. In our simulations we follow a recent proposal and formulate full QCD+QED on a finite volume, without spoiling locality, by imposing C-periodic boundary conditions in the spatial directions. [...]
arXiv:1802.05474; CP3-Origins-2018-006; CERN-TH-2018-033; CP3-ORIGINS-2018-006.-
2018-05-23 - 17 p.
- Published in : JHEP 05 (2018) 146
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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6.
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Simulations of QCD and QED with C* boundary conditions
/ Hansen, Martin (Southern Denmark U., CP3-Origins) ; Lucini, Biagio (Swansea U.) ; Patella, Agostino (CERN ; Plymouth U., Math. Stat. Dept. ; Pisa, Scuola Normale Superiore) ; Tantalo, Nazario (Rome U., Tor Vergata ; INFN, Rome2)
We present exploratory results from dynamical simulations of QCD in isolation, as well as QCD coupled to QED, with C* boundary conditions. In finite volume, the use of C* boundary conditions allows for a gauge invariant and local formulation of QED without zero modes. [...]
arXiv:1710.08838; CP3-ORIGINS-2017-046; CERN-TH-2017-214.-
2018 - 8 p.
- Published in : EPJ Web Conf. 175 (2018) 09001
Fulltext: arXiv:1710.08838 - PDF; epjconf_lattice2018_09001 - PDF;
In : 35th International Symposium on Lattice Field Theory, Granada, Spain, 18 - 24 Jun 2017, pp.09001
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7.
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8.
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Charged hadrons in local finite-volume QED+QCD with C* boundary conditions
/ Lucini, Biagio (Swansea U.) ; Patella, Agostino (CERN ; Plymouth U., Math. Stat. Dept.) ; Ramos, Alberto (CERN) ; Tantalo, Nazario (CERN ; INFN, Rome2 ; Rome U., Tor Vergata)
In order to calculate QED corrections to hadronic physical quantities by means of lattice simulations, a coherent description of electrically-charged states in finite volume is needed. In the usual periodic setup, Gauss's law and large gauge transformations forbid the propagation of electrically-charged states. [...]
arXiv:1509.01636; CERN-PH-TH-2015-166; CERN-PH-TH-2015-166.-
Geneva Geneva : CERN, CERN, 2016-02-11 - 63 p.
- Published in : JHEP 02 (2016) 076
Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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9.
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BSMBench: a flexible and scalable supercomputer benchmark from computational particle physics
/ Bennett, Ed (Swansea U.) ; Lucini, Biagio (Swansea U.) ; Del Debbio, Luigi (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Jordan, Kirk (IBM, Cambridge) ; Patella, Agostino (CERN) ; Pica, Claudio (Southern Denmark U., CP3-Origins ; U. Southern Denmark, Odense, DIAS) ; Rago, Antonio (Plymouth U. ; Plymouth U., Math. Stat. Dept.)
Benchmarking plays a central role in the evaluation of High Performance Computing architectures. Several benchmarks have been designed that allow users to stress various components of supercomputers. [...]
arXiv:1401.3733; CP3-ORIGINS-2014-001; DIAS-2014-1; CP3-ORIGINS-2014-001; DNRF90; DIAS-2014-1.-
2016-09-15 - 6 p.
- Published in : 10.1109/HPCSim.2016.7568421
Fulltext: PDF; External link: Preprint
In : International Conference on High Performance Computing and Simulation, Innsbruck, Austria, 18 - 22 Jul 2016, pp.834-839
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10.
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Large-volume results in SU(2) with adjoint fermions
/ Del Debbio, Luigi (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Lucini, Biagio (Swansea U.) ; Pica, Claudio (Southern Denmark U., CP3-Origins) ; Patella, Agostino (CERN ; Plymouth U. ; Plymouth U., Math. Stat. Dept.) ; Rago, Antonio (Plymouth U. ; Plymouth U., Math. Stat. Dept.) ; Roman, Sabin (U. Edinburgh, Higgs Ctr. Theor. Phys.)
Taming finite-volume effects is a crucial ingredient in order to identify the existence of IR fixed points. We present the latest results from our numerical simulations of SU(2) gauge theory with 2 Dirac fermions in the adjoint representation on large volumes. [...]
arXiv:1311.5597.-
2014 - 8 p.
- Published in : PoS: LATTICE2013 (2014) , pp. 067
Fulltext: PDF; External link: Preprint
In : 31st International Symposium on Lattice Field Theory, Mainz, Germany, 29 Jul - 03 Aug 2013, pp.067
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