ArticleEntropy (Basel, Switzerland)2021
Measurement of the Temperature Using the Tomographic Representation of Thermal States for Quadratic Hamiltonians.
Article in Entropy (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Bosonic Representation of Matrices and Angular Momentum Probabilistic Representation of Cyclic States.Entropy (Basel, Switzerland) · 2023Article
- Probability Distributions Describing Qubit-State Superpositions.Entropy (Basel, Switzerland) · 2023Article
- Symplectic Radon Transform and the Metaplectic Representation.Entropy (Basel, Switzerland) · 2022Article
- Dynamics of Entropy Production Rate in Two Coupled Bosonic Modes Interacting with a Thermal Reservoir.Entropy (Basel, Switzerland) · 2022Article
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3 authors.
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Abstract
The Wigner and tomographic representations of thermal Gibbs states for one- and two-mode quantum systems described by a quadratic Hamiltonian are obtained. This is done by using the covariance matrix of the mentioned states. The area of the Wigner function and the width of the tomogram of quantum systems are proposed to define a temperature scale for this type of states. This proposal is then confirmed for the general one-dimensional case and for a system of two coupled harmonic oscillators. The use of these properties as measures for the temperature of quantum systems is mentioned.
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