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All Multiparty Quantum States Can Be Made Monogamous

arXiv
Authors: Salini K., R. Prabhu, Aditi Sen De, Ujjwal Sen

Year

2012

Paper ID

8540

Status

Preprint

Abstract Read

~2 min

Abstract Words

143

Citations

N/A

Abstract

Monogamy of quantum correlation measures puts restrictions on the sharability of quantum correlations in multiparty quantum states. Multiparty quantum states can satisfy or violate monogamy relations with respect to given quantum correlations. We show that all multiparty quantum states can be made monogamous with respect to all measures. More precisely, given any quantum correlation measure that is non-monogamic for a multiparty quantum state, it is always possible to find a monotonically increasing function of the measure that is monogamous for the same state. The statement holds for all quantum states, whether pure or mixed, in all finite dimensions and for an arbitrary number of parties. The monotonically increasing function of the quantum correlation measure satisfies all the properties that is expected for quantum correlations to follow. We illustrate the concepts by considering a thermodynamic measure of quantum correlation, called the quantum work deficit.

Why This Paper Matters

  • This paper contributes to the Quantum Thermodynamics research area in the Quantum Articles archive.
  • It adds a 2012 reference point for readers tracking recent quantum research.
  • Monogamy of quantum correlation measures puts restrictions on the sharability of quantum correlations in multiparty quantum states.

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