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Wehrl entropy

In quantum information theory, the Wehrl entropy, named after A. Wehrl, is a type of quasi-entropy defined for the Husimi Q representation Q(x,p) of… 
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Related topics

Related topics

3 relations
Quantum informationWigner–Weyl transform

Broader (1)

Quantum mechanics

Papers overview

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2018
2018
Wehrl entropy and statistical properties of the radiation field in the excited and nonlinear binomial states
Objective: The study was conducted to estimate the nonlocal correlation between a single qubit and radiation field initially… 
2018
2018
Entropy methods for CMB analysis of anisotropy and non-Gaussianity
We propose several pseudoentropy measures that agree well with the Wehrl entropy, but are significantly faster to compute. All of… 
2017
2017
Multimode Gaussian optimizers for the Wehrl entropy and quantum Gaussian channels
We prove in the multimode scenario a fundamental relation between the Wehrl and the von Neumann entropy, stating that the minimum… 
2016
2016
Wehrl entropies and Euclidean Landau levels
We are concerned with an information-theoretic measure of uncertainty for quantum systems. Precisely, the Wehrl entropy of the… 
2014
2014
Entanglement Quantifier Based on Atomic Wehrl Entropy for Non-Linear Interaction between a Single Two-Level Atom and SU(1,1) Quantum System
In this paper, we study the dynamics of the atomic inversion, scaled atomic Wehrl entropy and marginal atomic Wehrl density for… 
2013
2013
Quasi-Bell states in a strongly coupled qubit-oscillator system and their delocalization in the phase space
2013
2013
Dynamical Properties of Scaled Atomic Wehrl Entropy of Multiphoton JCM in the Presence of Atomic Damping
We study the dynamics of the atomic inversion, scaled atomic Wehrl entropy, and marginal atomic Q-function for a single two-level… 
2010
2010
Husimi function and Wehrl entropy in thermo field dynamics
Using the quantum phase space technique and the information-theory like the Wehrl entropy, the Husimi function and the Wehrl… 
2008
2008
Relation Between the Wehrl Entropy and the Quantum Effects of Mesoscopic Circuit
By using the quantum canonic ensemble theory,the density matrix and the Wehrl entropy of a harmonic oscillator are derived in a… 
2007
2007
Relationship between the linear entropy, the von Neumann entropy and the atomic Wehrl entropy for the Jaynes-Cummings model
The linear entropy, the von Neumann entropy and the atomic Wehrl entropy are frequently used to quantify entanglement in the… 
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