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Projection method and a universal weight function for the quantum affine algebra

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Abstract

We calculate the projection of the product of the Drinfeld currents on the intersection of the different Borel subalgebras in the current realization of the quantum affine algebra

. This projection yields a universal weight function and has the structure of nested Bethe vectors.

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Authors and Affiliations

  1. Institute of Theoretical and Experimental Physics, Moscow, Russia

    S. Z. Pakuliak & S. M. Khoroshkin

  2. Joint Institute for Nuclear Research, Dubna, Moscow Oblast, Russia

    S. Z. Pakuliak

Authors
  1. S. Z. Pakuliak
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  2. S. M. Khoroshkin
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Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 150, No. 2, pp. 286–303, February, 2007.

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Pakuliak, S.Z., Khoroshkin, S.M. Projection method and a universal weight function for the quantum affine algebra . Theor Math Phys 150, 244–258 (2007). https://doi.org/10.1007/s11232-007-0018-z

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  • DOI: https://doi.org/10.1007/s11232-007-0018-z

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