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nLab > Latest Changes: chiral perturbation theory

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  1.  
    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeMar 8th 2020

    a stub, to satisfy links

    v1, current

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeMar 10th 2020

    added pointer to these introductions and reviews:

    • Véronique Bernard, Ulf-G. Meißner, Chiral perturbation theory, Ann. Rev. Nucl. Part. Sci.57:33-60, 2007 (arXiv:hep-ph/0611231)

    • Véronique Bernard, Chiral Perturbation Theory and Baryon Properties, Prog. Part. Nucl. Phys. 60:82-160, 2008 (arXiv:0706.0312)

    • Gerhard Ecker, Status of chiral perturbation theory, PoS Confinement 8:025, 2008 (arXiv:0812.4196)

    • Johan Bijnens, Chiral perturbation theory in the meson sector, PoS CD09:031, 2009 (arXiv:0909.4635)

    • Johan Bijnens, Status of Strong ChPT, PoS EFT09 (2009) 022 (spire:818610)

    • R. Machleidt, D. R. Entem, Chiral effective field theory and nuclear forces, Phys. Rept. 503:1-75, 2011 (arXiv:1105.2919)

    diff, v3, current

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeMar 10th 2020

    Started adding some actual content to the Idea-section.

    Not done yet, but need to call it quits for tonight.

    diff, v4, current

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeMar 12th 2020
    • (edited Mar 12th 2020)

    added this pointer:

    diff, v10, current

    • CommentRowNumber5.
    • CommentAuthorUrs
    • CommentTimeMar 12th 2020

    added this pointer:

    diff, v10, current

    • CommentRowNumber6.
    • CommentAuthorUrs
    • CommentTimeMar 30th 2020

    added pointer to today’s

    • Prabal Adhikari, Jens O. Andersen, Quark and pion condensates at finite isospin density in chiral perturbation theory (arXiv:2003.12567)

    diff, v15, current

    • CommentRowNumber7.
    • CommentAuthorUrs
    • CommentTimeMar 31st 2020

    added pointer to more of the original articles:

    diff, v16, current

    • CommentRowNumber8.
    • CommentAuthorUrs
    • CommentTimeApr 7th 2020

    added pointer to today’s

    • Bryan W. Lynn, Brian J. Coffey, Kellen E. McGee, Glenn D. Starkman, Nuclear matter as a liquid phase of spontaneously broken semi-classical SU(2) L×SU(2) RSU(2)_L \times SU(2)_R chiral perturbation theory: Static chiral nucleon liquids (arXiv:2004.01706)

    diff, v26, current

    • CommentRowNumber9.
    • CommentAuthorUrs
    • CommentTimeApr 9th 2020

    added pointer to today’s

    • Yu-Jia Wang, Feng-Kun Guo, Cen Zhang, Shuang-Yong Zhou, Generalized positivity bounds on chiral perturbation theory (arXiv:2004.03992)

    diff, v31, current

    • CommentRowNumber10.
    • CommentAuthorUrs
    • CommentTimeApr 11th 2020

    Have slightly adjusted and expanded the first sentences of the Idea-section

    diff, v32, current

    • CommentRowNumber11.
    • CommentAuthorUrs
    • CommentTimeApr 20th 2020

    added pointer to

    diff, v39, current

    • CommentRowNumber12.
    • CommentAuthorUrs
    • CommentTimeMay 19th 2020

    added pointer to one more review:

    • Barry R. Holstein, A Brief Introduction to Chiral Perturbation Theory, Czech. J. Phys. 50S4:9-23, 2000 (arXiv:hep-ph/9911449)

    diff, v47, current

    • CommentRowNumber13.
    • CommentAuthorUrs
    • CommentTimeJun 3rd 2020

    added pointer to today’s

    • Nils Hermansson-Truedsson, Chiral Perturbation Theory at NNNLO (arXiv:2006.01430)

    diff, v48, current

    • CommentRowNumber14.
    • CommentAuthorUrs
    • CommentTimeSep 7th 2020

    added pointer to this recent article:

    • Lukas Graf, Brian Henning, Xiaochuan Lu, Tom Melia, Hitoshi Murayama, 2, 12, 117, 1959, 45171, 1170086, …: A Hilbert series for the QCD chiral Lagrangian (arXiv:2009.01239)

    diff, v49, current

    • CommentRowNumber15.
    • CommentAuthorUrs
    • CommentTimeNov 6th 2020

    added pointer to today’s

    • Andrea Guerrieri, Joao Penedones, Pedro Vieira, S-matrix Bootstrap for Effective Field Theories: Massless Pions (arXiv:2011.02802)

    diff, v51, current

    • CommentRowNumber16.
    • CommentAuthorGrant_Bradley
    • CommentTimeJun 23rd 2021

    WIP, submit as formatting check

    diff, v53, current

    • CommentRowNumber17.
    • CommentAuthorUrs
    • CommentTimeJun 23rd 2021
    • (edited Jun 23rd 2021)

    I admit that I do not understand the log message in #16, but I see from the diff of revision 53 that you inserted

    1. an expression for the Lagrangian density around where this is mentioned in the text,

    2. and also a mentioning of the proton mass.

    On (1):

    I had intentionally not written the Lagrangian density, since doing this properly requires some care. But okay, it’s maybe better to show it. So I have now adjusted (here) the expression you added, to bring out the actual point about the left- and right-handed contributions not mixing in the massless limit. Also added the missing coupling of the quarks to the gluon field (which is not usually implicit in the Dirac operator if that is written in the slash notation you used). Also I added a minimum pointer to the literature.

    On (2):

    The point of the proton mass being much larger than the sum of its contituent quarks is that this shows that the limit of vanishing light quark masses is a reasonable point to investigate hadronic bound states. I have now made this comment more explicit (here).

    diff, v54, current

    • CommentRowNumber18.
    • CommentAuthorGrant_Bradley
    • CommentTimeJun 30th 2021

    Added summary of baryon xpt, pointers to refs. for partially quenched xpt and random matrix theory in xpt.

    diff, v58, current

    • CommentRowNumber19.
    • CommentAuthorUrs
    • CommentTimeDec 22nd 2022

    added pointer to:

    diff, v61, current

    • CommentRowNumber20.
    • CommentAuthorUrs
    • CommentTimeAug 7th 2023

    added pointer to:

    • Gerard ’t Hooft, Naturalness, Chiral Symmetry, and Spontaneous Chiral Symmetry Breaking In: G. ’Hooft et al., Recent Developments in Gauge Theories, NATO Advanced Study Institutes Series 59, Springer (1980) [doi:10.1007/978-1-4684-7571-5_9]

    diff, v62, current

    • CommentRowNumber21.
    • CommentAuthorUrs
    • CommentTimeApr 5th 2024
    • (edited Apr 5th 2024)

    added pointer to today’s

    • Luca Ciambriello, Roberto Contino, Andrea Luzio, Marcello Romano, Ling-Xiao Xu, A novel strategy to prove chiral symmetry breaking in QCD-like theories [arXiv:2404.02967]

    • Luca Ciambriello, Roberto Contino, Ling-Xiao Xu, On the Proof of Chiral Symmetry Breaking through Anomaly Matching in QCD-like Theories: An Exemplification [arXiv:2404.02971]

    (This should really go into an entry dedicated to chiral symmetry breaking which however does not yet exist.)

    diff, v64, current

    • CommentRowNumber22.
    • CommentAuthorUrs
    • CommentTime3 days ago

    added pointer to today’s

    diff, v66, current

1 to 22 of 22

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