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nLab > Latest Changes: AdS-QCD correspondence

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  1.  
    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeNov 27th 2018

    starting something. Not done yet but need to save

    v1, current

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeNov 27th 2018

    added more references, more subsections of applications. Still stubby, though

    diff, v2, current

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeNov 28th 2018

    started some bare minimum in a new section Models

    diff, v3, current

    • CommentRowNumber4.
    • CommentAuthorDavid_Corfield
    • CommentTimeNov 28th 2018

    one distinguishes bottom-up model building … from bottom-up model building

    The former should be ’top-down’?

    • CommentRowNumber5.
    • CommentAuthorDavid_Corfield
    • CommentTimeNov 28th 2018

    Presumably ’yes’, so have changed.

    diff, v4, current

    • CommentRowNumber6.
    • CommentAuthorUrs
    • CommentTimeNov 30th 2018

    added a little more on the Witten-Sakai-Sugimoto model for strongly coupled QCD (here), in particular made explicit it relation to the 6d (2,0)(2,0)-SCFT.

    (but the entry it still not more a glorified pointer to the literature)

    diff, v7, current

    • CommentRowNumber7.
    • CommentAuthorUrs
    • CommentTimeNov 30th 2018

    David, thanks for fixing, I see this only now.

    • CommentRowNumber8.
    • CommentAuthorUrs
    • CommentTimeDec 3rd 2018

    expanded the section on the Sakai-Sugimoto model (here), adding pointers to hadrons via bulk bound states and to comparison of the resulting hadron masses to experiment

    diff, v12, current

    • CommentRowNumber9.
    • CommentAuthorUrs
    • CommentTimeDec 6th 2018

    added pointer to today’s

    • Jacob Sonnenschein, Dorin Weissman, Excited mesons, baryons, glueballs and tetraquarks: Predictions of the Holography Inspired Stringy Hadron model, (arXiv:1812.01619)

    diff, v14, current

    • CommentRowNumber10.
    • CommentAuthorUrs
    • CommentTimeDec 29th 2018

    added this pointer:

    The extreme form of bottom-up holographic model building is explored in

    where an appropriate bulk geometry is computer-generated from specified boundary behaviour.

    diff, v15, current

    • CommentRowNumber11.
    • CommentAuthorUrs
    • CommentTimeJan 21st 2019

    started a further subsection on Type0/YM correspondence:

    Instead of starting with M5-branes in locally supersymmetric M-theory and then spontaneously breaking all supersymmetry by suitable KK-compactification as in the Witten-Sakai-Sugimoto model, one may start with a non-supersymmetric bulk string theory in the first place.

    In this vein, it has been argued in GLMR 00 that there is holographic duality between type 0 string theory and non-supersymmetric 4d Yang-Mills theory (hence potentially something close to QCD).

    diff, v18, current

    • CommentRowNumber12.
    • CommentAuthorUrs
    • CommentTimeMar 18th 2019

    added pointer to yesterday’s

    • Takaaki Ishii, Matti Järvinen, Govert Nijs, Cool baryon and quark matter in holographic QCD (arXiv:1903.06169)

    diff, v22, current

    • CommentRowNumber13.
    • CommentAuthorUrs
    • CommentTimeMay 31st 2019

    added pointer to today’s

    • S. S. Afonin, AdS/QCD without Kaluza-Klein modes: Radial spectrum from higher dimensional QCD operators (arXiv:1905.13086)

    diff, v24, current

    • CommentRowNumber14.
    • CommentAuthorUrs
    • CommentTimeJun 27th 2019

    added pointer to today’s

    • Varun Sethi, A study of phases in two flavour holographic QCD (arXiv:1906.10932)

    diff, v25, current

    • CommentRowNumber15.
    • CommentAuthorUrs
    • CommentTimeJul 1st 2019

    added pointer to today’s

    • Francesco Bigazzi, Alessio Caddeo, Aldo L. Cotrone, Paolo Di Vecchia, Andrea Marzolla, The Holographic QCD Axion (arXiv:1906.12117)

    diff, v26, current

    • CommentRowNumber16.
    • CommentAuthorUrs
    • CommentTimeJul 9th 2019

    added pointer to

    • Kazem Bitaghsir Fadafan, Jesus Cruz Rojas, Nick Evans, A Holographic Description of Colour Superconductivity (arXiv:1803.03107)

    diff, v29, current

    • CommentRowNumber17.
    • CommentAuthorUrs
    • CommentTimeAug 11th 2019

    Added pointer to more of the original references on modelling baryons by wrapped branes:

    • {#BISY98} A. Brandhuber, N. Itzhaki, J. Sonnenschein, S. Yankielowicz Baryons from Supergravity, JHEP 9807:020,1998 (arxiv:hep-th/9806158)

    • Yosuke Imamura, Baryon Mass and Phase Transitions in Large N Gauge Theory, Prog. Theor. Phys. 100 (1998) 1263-1272 (arxiv:hep-th/9806162)

    • Yosuke Imamura, Supersymmetries and BPS Configurations on Anti-de Sitter Space, Nucl. Phys. B537:184-202,1999 (arxiv:hep-th/9807179)

    • {#CGS98} Curtis G. Callan, Alberto Guijosa, Konstantin G. Savvidy, Baryons and String Creation from the Fivebrane Worldvolume Action (arxiv:hep-th/9810092)

    • Curtis G. Callan, Alberto Guijosa, Konstantin G. Savvidy, Oyvind Tafjord, Baryons and Flux Tubes in Confining Gauge Theories from Brane Actions, Nucl. Phys. B555 (1999) 183-200 (arxiv:hep-th/9902197)

    diff, v33, current

    • CommentRowNumber18.
    • CommentAuthorUrs
    • CommentTimeAug 12th 2019

    tried to clean up the organization of the references, added a sentence and a graphics to the Idea-section

    diff, v36, current

    • CommentRowNumber19.
    • CommentAuthorUrs
    • CommentTimeAug 15th 2019

    added pointer to yesterday’s

    • Mohammad Akhond, Adi Armoni, Stefano Speziali, Phases of U(N c)U(N_c) QCD 3QCD_3 from Type 0 Strings and Seiberg Duality (arxiv:1908.04324)

    diff, v37, current

    • CommentRowNumber20.
    • CommentAuthorUrs
    • CommentTimeSep 30th 2019

    added pointer to today’s

    • Josef Leutgeb, Anton Rebhan, Witten-Veneziano mechanism and pseudoscalar glueball-meson mixing in holographic QCD (arxiv:1909.12352)

    diff, v47, current

    • CommentRowNumber21.
    • CommentAuthorUrs
    • CommentTimeOct 1st 2019

    added pointer to today’s

    diff, v48, current

    • CommentRowNumber22.
    • CommentAuthorUrs
    • CommentTimeOct 23rd 2019

    added pointer to today’s

    • Akira Watanabe, Takahiro Sawada, Mei Huang, Extraction of gluon distributions from structure functions at small x in holographic QCD (arxiv:1910.10008)

    Understanding the nucleon structure is one of the most important research topics in fundamental science, and tremendous efforts have been done to deepen our knowledge over several decades. [...][...] Since [these][these] are highly nonperturbative physical quantities, in principle they are not calculable by the direct use of QCD. Furthermore, although there is available data, this has large errors. These facts cause the huge uncertainties which can be seen in the preceding studies based on the global QCD analysis.

    In this work, we investigate the gluon distribution at small x by calculating the DIS structure functions in the framework of holographic QCD, which is constructed based on the AdS/CFT correspondence.

    diff, v52, current

    • CommentRowNumber23.
    • CommentAuthorUrs
    • CommentTimeNov 1st 2019
    • (edited Nov 1st 2019)

    I have created and added a graphics which shows the Witten-Sakai-Sugimoto brane configuration, geometrically engineering QCD (here)

    This is the result of me finding the existing accounts frustratingly intransparent. But there may be more room for improvement left.

    diff, v54, current

    • CommentRowNumber24.
    • CommentAuthorUrs
    • CommentTimeNov 1st 2019

    added also an analogous graphics (here) for the WSS-type construction of 2d QCD

    diff, v55, current

    • CommentRowNumber25.
    • CommentAuthorUrs
    • CommentTimeNov 12th 2019
    • (edited Nov 12th 2019)

    I have added a slightly improved diagram of the brane configurations (here), now also including the “monopole D6-branes”, and including a second diagram that shows them from another point of view.

    Will be using this now to add some content at D6-D8 brane intersection

    diff, v62, current

    • CommentRowNumber26.
    • CommentAuthorUrs
    • CommentTimeNov 20th 2019

    added pointer to today’s

    diff, v64, current

1 to 26 of 26

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