000293427 001__ 293427 000293427 005__ 20250730113910.0 000293427 0247_ $$2doi$$a10.1103/PhysRevD.91.054505 000293427 0247_ $$2ISSN$$a0556-2821 000293427 0247_ $$2ISSN$$a1089-4918 000293427 0247_ $$2ISSN$$a1550-2368 000293427 0247_ $$2ISSN$$a1550-7998 000293427 0247_ $$2WOS$$aWOS:000351040800004 000293427 0247_ $$2altmetric$$aaltmetric:3796824 000293427 0247_ $$2inspire$$ainspire:1329800 000293427 0247_ $$2arXiv$$aarXiv:1411.6386 000293427 0247_ $$2openalex$$aopenalex:W2067613647 000293427 037__ $$aPUBDB-2016-00516 000293427 082__ $$a530 000293427 088__ $$2arXiv$$aarXiv:1411.6386 000293427 1001_ $$aEngel, Georg P.$$b0 000293427 245__ $$aSpectral density of the Dirac operator in two-flavor QCD 000293427 260__ $$a[S.l.]$$bSoc.$$c2015 000293427 264_1 $$2Crossref$$3online$$bAmerican Physical Society (APS)$$c2015-03-16 000293427 264_1 $$2Crossref$$3print$$bAmerican Physical Society (APS)$$c2015-03-01 000293427 3367_ $$2DRIVER$$aarticle 000293427 3367_ $$2DataCite$$aOutput Types/Journal article 000293427 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1598606428_15985 000293427 3367_ $$2BibTeX$$aARTICLE 000293427 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000293427 3367_ $$00$$2EndNote$$aJournal Article 000293427 500__ $$aOA 000293427 520__ $$aWe compute the spectral density of the (Hermitean) Dirac operator in Quantum Chromodynamics with two light degenerate quarks near the origin. We use CLS/ALPHA lattices generated with two flavours of O(a)-improved Wilson fermions corresponding to pseudoscalar meson masses down to 190 MeV, and with spacings in the range 0.05-0.08 fm. Thanks to the coverage of parameter space, we can extrapolate our data to the chiral and continuum limits with confidence. The results show that the spectral density at the origin is non-zero because the low modes of the Dirac operator do condense as expected in the Banks-Casher mechanism. Within errors, the spectral density turns out to be a constant function up to eigenvalues of approximately 80 MeV. Its value agrees with the one extracted from the Gell-Mann-Oakes-Renner relation. 000293427 536__ $$0G:(DE-HGF)POF2-514$$a514 - Theoretical Particle Physics (POF2-514)$$cPOF2-514$$fPOF II$$x0 000293427 542__ $$2Crossref$$i2015-03-16$$uhttp://link.aps.org/licenses/aps-default-license 000293427 588__ $$aDataset connected to CrossRef 000293427 693__ $$0EXP:(DE-MLZ)NOSPEC-20140101$$5EXP:(DE-MLZ)NOSPEC-20140101$$eNo specific instrument$$x0 000293427 7001_ $$aGiusti, Leonardo$$b1 000293427 7001_ $$0P:(DE-H253)PIP1018355$$aLottini, Stefano$$b2$$udesy 000293427 7001_ $$0P:(DE-H253)PIP1003629$$aSommer, Rainer$$b3$$udesy 000293427 77318 $$2Crossref$$3journal-article$$a10.1103/physrevd.91.054505$$b : American Physical Society (APS), 2015-03-16$$n5$$p054505$$tPhysical Review D$$v91$$x1550-7998$$y2015 000293427 773__ $$0PERI:(DE-600)2844732-3$$a10.1103/PhysRevD.91.054505$$gVol. 91, no. 5, p. 054505$$n5$$p054505$$tPhysical review / D$$v91$$x1550-7998$$y2015 000293427 7870_ $$0PUBDB-2015-00868$$aEngel, Georg P. et.al.$$d2014$$iIsParent$$rarXiv:1411.6386$$tSpectral density of the Dirac operator in two-flavour QCD 000293427 8564_ $$uhttps://bib-pubdb1.desy.de/record/293427/files/PhysRevD.91.054505.pdf$$yOpenAccess 000293427 8564_ $$uhttps://bib-pubdb1.desy.de/record/293427/files/PhysRevD.91.054505.gif?subformat=icon$$xicon$$yOpenAccess 000293427 8564_ $$uhttps://bib-pubdb1.desy.de/record/293427/files/PhysRevD.91.054505.jpg?subformat=icon-1440$$xicon-1440$$yOpenAccess 000293427 8564_ $$uhttps://bib-pubdb1.desy.de/record/293427/files/PhysRevD.91.054505.jpg?subformat=icon-180$$xicon-180$$yOpenAccess 000293427 8564_ $$uhttps://bib-pubdb1.desy.de/record/293427/files/PhysRevD.91.054505.jpg?subformat=icon-640$$xicon-640$$yOpenAccess 000293427 8564_ $$uhttps://bib-pubdb1.desy.de/record/293427/files/PhysRevD.91.054505.pdf?subformat=pdfa$$xpdfa$$yOpenAccess 000293427 909CO $$ooai:bib-pubdb1.desy.de:293427$$pdnbdelivery$$pdriver$$pVDB$$popen_access$$popenaire 000293427 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1018355$$aDeutsches Elektronen-Synchrotron$$b2$$kDESY 000293427 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1003629$$aDeutsches Elektronen-Synchrotron$$b3$$kDESY 000293427 9132_ $$0G:(DE-HGF)POF3-611$$1G:(DE-HGF)POF3-610$$2G:(DE-HGF)POF3-600$$aDE-HGF$$bForschungsbereich Materie$$lMaterie und Universum$$vFundamental Particles and Forces $$x0 000293427 9131_ $$0G:(DE-HGF)POF2-514$$1G:(DE-HGF)POF2-510$$2G:(DE-HGF)POF2-500$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bStruktur der Materie$$lElementarteilchenphysik$$vTheoretical Particle Physics$$x1 000293427 9141_ $$y2015 000293427 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS 000293427 915__ $$0LIC:(DE-HGF)APS-112012$$2HGFVOC$$aAmerican Physical Society Transfer of Copyright Agreement 000293427 915__ $$0StatID:(DE-HGF)1150$$2StatID$$aDBCoverage$$bCurrent Contents - 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