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Open Quantum Systems Decoherence Quantum Simulation

Prony's method and the connected-moments expansion

arXiv

Authors: Francisco M. Fernández

Year

2011

Paper ID

29709

Status

Preprint

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~2 min

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Abstract

We show that Prony's method provides the full solution to the nonlinear equations of the connected--moments expansion (CMX). Knowledge of all the parameters in the CMX ansatz is useful for the analysis of the convergence properties of the approach. Prony's method is also suitable for the calculation of the correlation function for simple quantum--mechanical models.

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We show that Prony's method provides the full solution to the nonlinear equations of the connected--moments expansion (CMX).

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1111.3797 [2] arXiv https://arxiv.org/abs/1111.3797 [3] Publisher https://arxiv.org/abs/1111.3797

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