Co-ideal quantum affine algebra and boundary scattering of the deformed Hubbard chain

Marius De Leeuw, Takuya Matsumoto, Vidas Regelskis

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4 Citations (Scopus)

Abstract

We consider boundary scattering for a semi-infinite one-dimensional deformed Hubbard chain with boundary conditions of the same type as for the Y = 0 giant graviton in the AdS/CFT correspondence. We show that the recently constructed quantum affine algebra of the deformed Hubbard chain has a co-ideal subalgebra which is consistent with the reflection (boundary YangBaxter) equation. We derive the corresponding reflection matrix and furthermore show that the aforementioned algebra in the rational limit specializes to the (generalized) twisted Yangian of the Y = 0 giant graviton.

Original languageEnglish
Article number065205
JournalJournal of Physics A: Mathematical and Theoretical
Volume45
Issue number6
DOIs
Publication statusPublished - 17 Feb 2012
Externally publishedYes

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