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Paper   IPM / Particles / 13292
School of Particles and Accelerator
  Title:   Probing Fractionalized Charges
1.  Mohsen Alishahiha
2.  Davood Allahbakhshi
  Status:   Published
  Journal: Advances in High Energy Physics
  No.:  498068
  Year:  2013
  Supported by:  IPM
Inspired by the holographic entanglement entropy, for geometries with nonzero abelian charges, we define a quantity which is sensitive to the background charges. One observes that there is a critical charge below the system that is mainly described by the metric, and the effects of the background charges are just via metric�??s components. For charges above the critical one, the background gauge field plays an essential role. This, in turn, might be used to define an order parameter to probe phases of a system with fractionalized charges

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