New Constraints on Chiral Gauge Theories | Zendy

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New Constraints on Chiral Gauge Theories

Author(s) -

Martin Schmaltz

Publication year - 1999

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/10074

Subject(s) - degrees of freedom (physics and chemistry) , constraint (computer aided design) , gauge theory , theoretical physics , massless particle , limiting , class (philosophy) , gauge (firearms) , inequality , physics , field (mathematics) , spectrum (functional analysis) , mathematics , classical mechanics , statistical physics , mathematical physics , pure mathematics , quantum mechanics , mathematical analysis , computer science , geometry , archaeology , artificial intelligence , engineering , history , mechanical engineering

Recently, a new constraint on the structure of a wide class of strongly coupled field theories has been proposed. It takes the form of an inequality limiting the number of degrees of freedom in the infrared description of a theory to be no larger than the number of underlying, ultraviolet degrees of freedom. Here we apply this inequality to chiral gauge theories. For some models we find that it is always satisfied, while for others we find that the assumption of the validity of the inequality implies a strong additional restriction on the spectrum of massless composite particles

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