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Open AccessJournal ArticleDOI

Properties of squeezed-state excitations

TLDR
In this article, the photon distribution function of a discrete series of excitations of squeezed coherent states is given explicitly in terms of Hermite polynomials of two variables, and the Wigner and the coherent-state quasiprobability are also presented in closed form through the Hermite priors and their limiting cases.
Abstract
The photon distribution function of a discrete series of excitations of squeezed coherent states is given explicitly in terms of Hermite polynomials of two variables. The Wigner and the coherent-state quasiprobabilities are also presented in closed form through the Hermite polynomials and their limiting cases. Expectation values of photon numbers and their dispersion are calculated. Some three-dimensional plots of photon distributions for different squeezing parameters demonstrating oscillatory behaviour are given.

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Citations
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Journal ArticleDOI

'Nonclassical' states in quantum optics: a 'squeezed' review of the first 75 years

TL;DR: A review of studies performed in the field of non-classical states can be found in this article, with a focus on the evolution of Gaussian wave packets for an oscillator, a free particle and a particle moving in uniform constant electric and magnetic fields.
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Operator ordering in quantum optics theory and the development of Dirac's symbolic method

TL;DR: In this paper, a general unified approach for arranging quantum operators of optical fields into ordered products (normal ordering, antinormal ordering, Weyl ordering) by fashioning Dirac's symbolic method and representation theory is presented.
Journal ArticleDOI

Quantum states in probability representation and tomography

TL;DR: In this paper, a new formulation of quantum mechanics based on the probability representation of quantum states is given, and examples of free motion, parametric oscillator, and spin are considered.
Journal ArticleDOI

Hilbert-Schmidt distance and non-classicality of states in quantum optics

TL;DR: In this article, the Hilbert-Schmidt distance between two arbitrary normalizable states is discussed as a measure of the similarity of the states and the connection to other definitions of the non-classicality of states are discussed.
Journal ArticleDOI

Generalized Zernike or disc polynomials

TL;DR: In this paper, generalized Zernike or disc polynomials Pαm,n(z,z*) which are orthogonal 2D poynomials in the unit disc 0 ≤ √zz* - 1 is a free parameter.
References
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Book

Quantum Mechanics

Journal ArticleDOI

On the Quantum Correction For Thermodynamic Equilibrium

TL;DR: In this article, the Boltzmann formula for the probability of a configuration is given in classical theory by means of a probability function, and the result discussed is developed for the correction term.
Book ChapterDOI

On the quantum correction for thermodynamic equilibrium

TL;DR: In this article, the Boltzmann formula for lower temperatures has been developed for a correction term, which can be developed into a power series of h. The formula is developed for this correction by means of a probability function and the result discussed.
Journal ArticleDOI

Coherent and incoherent states of the radiation field

TL;DR: In this article, the photon statistics of arbitrary fields in fully quantum-mechanical terms are discussed, and a general method of representing the density operator for the field is discussed as well as a simple formulation of a superposition law for photon fields.