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B. Kraus and J. I. Cirac, Physical Review Letters, Vol. 92, 2004, pp. 013602-013608.
http://dx.doi.org/10.1103/PhysRevLett.92.013602

has been cited by the following article:

• TITLE: Atom-Field Entanglement inside a Cylindrical Nanotube

  AUTHORS: S. Al-Awfi

  KEYWORDS: Atomic Inversion; Maximal Entangled States; Degree of Entanglement

  JOURNAL NAME: Journal of Modern Physics, Vol.4 No.12, December 19, 2013

  ABSTRACT: This work presents the entanglement between an electromagnetic field and two-level atom situated inside a quantum optical system. Our optical model is based on cylindrical tube with a hole diameter of the order of nanoscale which leads to only the lowest order mode can exist. Numbers of the statistical features of effective Hamiltonian such as the temporal evolution of the atomic inversion and the von Neumann entropy are evaluated. We have evaluated the atomic inversion and we demonstrate that the atom still in maximal entangled state when the radius of tube a is large. We have used the von Neumann entropy to measure the degree of that entanglement. The results illustrate that the effect of the radius of tube a changes the quasi-period of the field entropy and therefore the entanglement process.