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|Title: ||Collapse and revival and cat states with an N-spin system|
|Authors: ||Dooley, Shane|
Everitt, Mark J.
|Issue Date: ||2013|
|Publisher: ||© American Physical Society|
|Citation: ||DOOLEY, S. ... et al, 2013. Collapse and revival and cat states with an N-spin system. Physical Review A - Atomic, Molecular, and Optical Physics, 87 (5), 052323 [6pp.]|
|Abstract: ||We discuss collapse and revival of Rabi oscillations in a system comprising a qubit and a "big spin" (made of N qubits, or spin-1/2 particles). We demonstrate a regime of behavior analogous to conventional collapse and revival for a qubit-field system, employing spin coherent states for the initial state of the big spin. These dynamics can be used to create a cat state of the big spin. Even for relatively small values of N, states with significant potential for quantum metrology applications can result, giving sensitivity approaching the Heisenberg limit.|
|Description: ||This article was published in the journal, Physical Review A [© American Physical Society] and the definitive version is available at: http://dx.doi.org/10.1103/PhysRevA.87.052323|
|Publisher Link: ||http://dx.doi.org/10.1103/PhysRevA.87.052323|
|Appears in Collections:||Published Articles (Physics)|
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