Quantum gravity

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Relationship between string theory and quantum field theory

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Noether's theorem

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Quantum

Journal of High Energy Physics

We study two dimensional conformal field theory with a left-moving conserved current $J$, perturbed by an irrelevant, Lorentz symmetry breaking operator with the quantum numbers of $J\bar{T}$, using a combination of field and string theoretic techniques. We show that the spectrum of the theory has some interesting features, which may shed light on systems of interest for holography and black hole physics.

$$ J\overline{T} $$ deformed CFT2 and string theory