English

Conformal quantum mechanics and holography in noncommutative space-time

High Energy Physics - Theory 2017-08-02 v3

Abstract

We analyze the effects of noncommutativity in conformal quantum mechanics (CQM) using the κ\kappa-deformed space-time as a prototype. Upto the first order in the deformation parameter, the symmetry structure of the CQM algebra is preserved but the coupling in a canonical model of the CQM gets deformed. We show that the boundary conditions that ensure a unitary time evolution in the noncommutative CQM can break the scale invariance, leading to a quantum mechanical scaling anomaly. We calculate the scaling dimensions of the two and three point functions in the noncommutative CQM which are shown to be deformed. The AdS2/CFT1AdS_2/CFT_1 duality for the CQM suggests that the corresponding correlation functions in the holographic duals are modified. In addition, the Breitenlohner-Freedman bound also picks up a noncommutative correction. The strongly attractive regime of a canonical model of the CQM exhibit quantum instability. We show that the noncommutativity softens this singular behaviour and its implications for the corresponding holographic duals are discussed.

Keywords

Cite

@article{arxiv.1704.03666,
  title  = {Conformal quantum mechanics and holography in noncommutative space-time},
  author = {Kumar S. Gupta and E. Harikumar and Zuhair N. S.},
  journal= {arXiv preprint arXiv:1704.03666},
  year   = {2017}
}

Comments

8 pages, typos corrected. To appear in PLB