A universality test of the quantum string Bethe ansatz

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We show that the quantum corrected string Bethe ansatz passes an important universality test by demonstrating that it correctly incorporates the non-analytical terms in the string sigma model one-loop correction for rational three-spin strings with two out of the three spins identical. Subsequently, we use the quantum corrected string Bethe ansatz to predict the exact form of the non-analytic terms for the generic rational three-spin string.

TidsskriftPhysics Letters B
Udgave nummer2-3
Sider (fra-til)258-264
Antal sider7
StatusUdgivet - 6 jul. 2006

ID: 186917530