Signatures of quantum fluctuations in the Dicke model by means of Rényi uncertainty

M. Calixto; Á Nagy; I. Paradela; E. Romera

doi:10.1103/PhysRevA.85.053813

Signatures of quantum fluctuations in the Dicke model by means of Rényi uncertainty

M. Calixto, Á Nagy, I. Paradela, E. Romera

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

Rényi uncertainty relations are shown to have significant importance in quantum phase transitions. They detect the quantum phase transition in the Dicke model. The Rényi entropy sum is more appropriate for describing quantum fluctuations than the standard variance products.

Original language	English
Article number	053813
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	85
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.85.053813
State	Published - May 10 2012
Externally published	Yes

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title = "Signatures of quantum fluctuations in the Dicke model by means of R{\'e}nyi uncertainty",

abstract = "R{\'e}nyi uncertainty relations are shown to have significant importance in quantum phase transitions. They detect the quantum phase transition in the Dicke model. The R{\'e}nyi entropy sum is more appropriate for describing quantum fluctuations than the standard variance products.",

author = "M. Calixto and {\'A} Nagy and I. Paradela and E. Romera",

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Signatures of quantum fluctuations in the Dicke model by means of Rényi uncertainty

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