Mayer A. Landau and C. R. Stroud, Jr.
Phys. Rev. A 77, 062104 (2008).
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We propose and analyze a scheme by which a many-particle system can be prepared in highly entangled
wave-packet states. One of the particles is prepared initially in a quantum superposition of multiple coherent
states and then coupled via a quadratic interaction Hamiltonian to a number of other particles. The system
evolves into a highly entangled wave-packet state. An appropriate measure of this time-dependent entanglement
is given. This scheme is applicable to a number of systems of interest in quantum-information science.
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