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000348527 005__ 20240825000353.0
000348527 0247_ $$2arXiv$$aarXiv:2304.13617
000348527 0247_ $$2altmetric$$aaltmetric:146663882
000348527 037__ $$aGSI-2024-00351
000348527 041__ $$aEnglish
000348527 088__ $$2arXiv$$aarXiv:2304.13617
000348527 1001_ $$0P:(DE-HGF)0$$aKehr, Robin$$b0$$eCorresponding author
000348527 245__ $$aQCD Anderson transition with overlap valence quarks on a twisted-mass sea
000348527 260__ $$c2023
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000348527 500__ $$a14 pages, 15 figures, revised version with edits, added references and new 'Discussion' section in response to comments received, results unchanged
000348527 520__ $$aIn this work we probe the QCD Anderson transition by studying spectral distributions of the massless overlap operator on gauge configurations created by the twisted mass at finite temperature collaboration (tmfT) with 2+1+1 flavors of dynamical quarks and the Iwasaki gauge action. We assess finite-size and discretization effects by considering two different lattice spacings and several physical volumes, and mimic the approach to the continuum limit through stereographic projection. Fitting the inflection points of the participation ratios of the overlap Dirac eigenmodes, we obtain estimates of the temperature dependence of the mobility edge, below which quark modes are localized. We observe that it is well-described by a quadradic polynomial and systematically vanishes at temperatures below the pseudo-critical one of the chiral transition. In fact, our best estimates within errors overlap with that of the chiral phase transition temperature of QCD in the chiral limit.
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000348527 7001_ $$0P:(DE-Ds200)OR3417$$aSmith, Dominik$$b1$$ugsi
000348527 7001_ $$0P:(DE-HGF)0$$avon Smekal, Lorenz$$b2
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000348527 9141_ $$y2023
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