On the null origin of the ambitwistor string View Full Text


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Article Info

DATE

2016-11

AUTHORS

Eduardo Casali, Piotr Tourkine

ABSTRACT

In this paper we present the null string origin of the ambitwistor string. Classically, the null string is the tensionless limit of string theory, and so too is the ambitwistor string. Both have as constraint algebra the Galilean Conformal Algebra in two dimensions. But something interesting happens in the quantum theory since there is an ambiguity in quantizing the null string. We show that, given a particular choice of quantization scheme and a particular gauge, the null string coincides with the ambitwistor string both classically and quantum mechanically. We also show that the same holds for the spinning versions of the null string and ambitwistor string. With these results we clarify the relationship between the ambitwistor string, the null string, the usual string and the Hohm-Siegel-Zwiebach theory. More... »

PAGES

36

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  • Journal

    TITLE

    Journal of High Energy Physics

    ISSUE

    11

    VOLUME

    2016

    Author Affiliations

    From Grant

  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/jhep11(2016)036

    DOI

    http://dx.doi.org/10.1007/jhep11(2016)036

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1035089471


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    244 rdf:type schema:Organization
     




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