Multiquantum eigenstates of a linear chain of coupled qubits

Mewton, C.J. and Ficek, Z. (2005) Multiquantum eigenstates of a linear chain of coupled qubits. Physical Review A, 71 Article No. 060311(R): . doi:10.1103/PhysRevA.71.060311

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Author Mewton, C.J.
Ficek, Z.
Title Multiquantum eigenstates of a linear chain of coupled qubits
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2005
Sub-type Article (original research)
DOI 10.1103/PhysRevA.71.060311
Open Access Status File (Publisher version)
Volume 71
Issue Article No. 060311(R)
Total pages 4
Editor B. Crasemann
Place of publication United States
Publisher American Physical Society
Collection year 2005
Language eng
Subject C1
240301 Atomic and Molecular Physics
780102 Physical sciences
Abstract We present a technique to identify exact analytic expressions for the multiquantum eigenstates of a linear chain of coupled qubits. A choice of Hilbert subspaces is described that allows an exact solution of the stationary Schrodinger equation without imposing periodic boundary conditions and without neglecting end effects, fully including the dipole-dipole nearest-neighbor interaction between the atoms. The treatment is valid for an arbitrary coherent excitation in the atomic system, any number of atoms, any size of the chain relative to the resonant wavelength and arbitrary initial conditions of the atomic system. The procedure we develop is general enough to be adopted for the study of excitation in an arbitrary array of atoms including spin chains and one-dimensional Bose-Einstein condensates.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 06:04:55 EST