TTbar deformation and the light-cone gauge

Abstract

The homogeneous inviscid Burgers equation which determines the spectrum of a TTbar deformed model has a natural interpretation as the condition of the gauge invariance of the target space-time energy and momentum of a (non-critical) string theory quantised in a generalised uniform light-cone gauge which depends on the deformation parameter. As a simple application of the light-cone gauge interpretation we derive the TTbar deformed Lagrangian for a system of any number of scalars, fermions and chiral bosons with an arbitrary potential. We find that the TTbar deformation is driven by the canonical Noether stress-energy tensor but not the covariant one.

26 pages, more comments, added refs, misprints corrected

References in corpus (9)

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• $T\bar{T}$-deformed 2D Quantum Field Theories
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• Finite-size Effects from Giant Magnons
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Cited by in corpus (3)

• New Dressing Factors for AdS3/CFT2
• Canonical maps and integrability in $T\bar{T}$ deformed 2d CFTs
• Canonical Analysis of New Non-Relativistic String Action and Uniform Light-Cone Gauge Formulation