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Entropy, Vol. 20, Pages 473: Revisiting Entanglement within the Bohmian Approach to Quantum Mechanics

Entropy, Vol. 20, Pages 473: Revisiting Entanglement within the Bohmian Approach to Quantum Mechanics

Entropy doi: 10.3390/e20060473

Authors: Claudia Zander Angel Ricardo Plastino

We revisit the concept of entanglement within the Bohmian approach to quantum mechanics. Inspired by Bohmian dynamics, we introduce two partial measures for the amount of entanglement corresponding to a pure state of a pair of quantum particles. One of these measures is associated with the statistical correlations exhibited by the joint probability density of the two Bohmian particles in configuration space. The other partial measure corresponds to the correlations associated with the phase of the joint wave function, and describes the non-separability of the Bohmian velocity field. The sum of these two components is equal to the total entanglement of the joint quantum state, as measured by the linear entropy of the single-particle reduced density matrix.

Authors:   Zander, Claudia ; Plastino, Angel Ricardo
Journal:   Entropy
Volume:   20
edition:   6
Year:   2018
Pages:   473
DOI:   10.3390/e20060473
Publication date:   18-Jun-2018
Facts, background information, dossiers
  • entropy
  • Total
  • Single
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