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Dynamics of entangled pair of spin-1/2 particles under independent random magnetic fields
Venkata Satya Surya Phaneendra Pydimarri1, Timothy R Field2
1School of Computational Science and Engineering, McMaster University, Hamilton, Ontario L8S 4L8, Canada.
Abstract:
The dynamics of a pair of spatially separated spin-1/2 particles which are initially entangled and subjected to independent random magnetic fields is obtained by considering a pure joint state of entangled spin-1/2 particles and using stochastic calculus. The disentanglement time defined as the time taken for the particles to become disentangled, is obtained from the dynamics. In view of entanglement-based quantum communication, this analysis could help to assess the feasibility to send and receive quantum information within the disentanglement time.
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