IFLP 13074
INSTITUTO DE FISICA LA PLATA
Unidad Ejecutora - UE
artículos
Título:
Reformulating the TBA equations for the quark anti-quark potential and their two loop expansion
Autor/es:
ZOLTAN BAJNOK; JANOS BALOG; DIEGO H. CORREA; ARPAD HEGEDUS; FIDEL I. SCHAPOSNIK MASSOLO; GABOR ZSOLT TOTH
Revista:
JOURNAL OF HIGH ENERGY PHYSICS
Editorial:
SPRINGER
Referencias:
Lugar: Trieste; Año: 2014
ISSN:
1126-6708
Resumen:
The boundary thermodynamic Bethe Ansatz (BTBA) equations introduced in [1, 2] to describe the cusp anomalous dimension contain imaginary chemical potentials and singular boundary fugacities, which make its systematic expansion problematic. We
propose an alternative formulation based on real chemical potentials and additional sourceterms. We expand our equations to double wrapping order and find complete agreement with the direct two-loop gauge theory computation of the cusp anomalous dimension.
