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Electronic transport in nanodevices is commonly studied theoretically and numerically within the Landauer-B\"uttiker formalism: a device is characterized by its scattering properties to and from reservoirs connected by perfect semi-infinite…

Mesoscale and Nanoscale Physics · Physics 2019-11-11 George Datseris , Ragnar Fleischmann

We develop the Husimi map for visualizing quantum wavefunctions using coherent states as a measurement of the local phase space to produce a vector field related to the probability flux. Adapted from the Husimi projection, the Husimi map is…

Mesoscale and Nanoscale Physics · Physics 2012-05-17 Douglas J. Mason , Mario F. Borunda , Eric J. Heller

Discrete quantum phase space formalism is used to discuss some basic aspects of the spin tunneling occurring in Fe8 magnetic cluster by means of Wigner functions as well as Husimi distributions. Those functions were obtained for sharp angle…

Quantum Physics · Physics 2008-11-15 Evandro C. Silva , Diogenes Galetti

We show how quasiprobability distribution functions defined over $N^{2}$-dimensional discrete phase spaces can be used to treat physical systems described by a finite space of states which exhibit spin tunneling effects. This particular…

Quantum Physics · Physics 2009-11-13 Marcelo A. Marchiolli , Evandro C. Silva , Diogenes Galetti

We introduce generalized Husimi functions at the interfaces of dielectric systems. Four different functions can be defined, corresponding to the incident and departing wave on both sides of the interface. These functions allow to identify…

Optics · Physics 2007-05-23 Martina Hentschel , Henning Schomerus , Roman Schubert

An interpretation of the probability flux is given, based on a derivation of its eigenstates and relating them to coherent state projections on a quantum wavefunction. An extended definition of the flux operator is obtained using coherent…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Douglas J. Mason , Mario F. Borunda , Eric J. Heller

In this paper, we consider an interpretation of the Husimi function as the probability distribution of a successive measurement, which is clearly separated into measurements of the position and the momentum. We also show this successive…

Quantum Physics · Physics 2012-11-15 T. Shito

Gauge-independent Husimi function ($Q-$function) of states of charged quantum particles in the electro-magnetic field is introduced using the gauge-independent Stratonovich-Wigner function, the corresponding dequantizer and quantizer…

Quantum Physics · Physics 2018-06-19 Ya. A. Korennoy

We present a method for bridging the gap between the Dirac effective field theory and atomistic simulations in graphene based on the Husimi projection, allowing us to depict phenomena in graphene at arbitrary scales. This technique takes…

Mesoscale and Nanoscale Physics · Physics 2012-06-11 Douglas J. Mason , Mario F. Borunda , Eric J. Heller

We show that the dynamics of a closed quantum system obeys the Hamilton variation principle. Even though quantum particles lack well-defined trajectories, their evolution in the Husimi representation can be treated as a flow of…

Quantum Physics · Physics 2022-03-02 Dmitry V. Zhdanov , Denys I. Bondar

We introduce a new density for the representation of quantum states on phase space. It is constructed as a weighted difference of two smooth probability densities using the Husimi function and first-order Hermite spectrograms. In contrast…

Mathematical Physics · Physics 2016-03-07 Johannes Keller , Caroline Lasser , Tomoki Ohsawa

In this Letter, we interpret the Husimi function as the conditional probability density of continuously measuring a stream of constant position and momentum outcomes, indefinitely. This gives rise to an alternative definition that naturally…

Quantum Physics · Physics 2025-05-02 Ralph Sabbagh , Olga Movilla Miangolarra , Tryphon T. Georgiou

The phase space representation for a semiconfined harmonic oscillator model with a position-dependent effective mass is constructed. We have found the Husimi distribution function for the stationary states of the oscillator model under…

Quantum Physics · Physics 2022-11-24 E. I. Jafarov , A. M. Jafarova , S. M. Nagiyev

We are concerned with a phase-space probability distribution which is known as Husimi $Q$-function of a density operator with respect to a set of coherent states $\vert\widetilde{\kappa}_{z,B,R,m}\rangle$ attached to an $m$th hyperbolic…

Mathematical Physics · Physics 2022-03-14 Z. Mouayn , H. Chhaiba , H. Kassogue , P. K. Kikodio

We report an experimental study of phase-synchronization in a pair of interacting nuclear spins subjected to an external drive in nuclear magnetic resonance architecture. A weak transition-selective radio-frequency field applied on one of…

Quantum Physics · Physics 2022-06-22 V. R. Krithika , Parvinder Solanki , Sai Vinjanampathy , T. S. Mahesh

Recently, an interesting phenomenon of spatial localization of optical modes along periodic ray trajectories near avoided resonance crossings has been observed [J. Wiersig, Phys. Rev. Lett. 97, 253901 (2006)]. For the case of a microdisk…

Chaotic Dynamics · Physics 2009-11-13 Julia Unterhinninghofen , Jan Wiersig , Martina Hentschel

The Husimi phase distribution, an experimentally measurable quantity, is investigated for single-mode and two-mode squeezed vacuum states. The analysis highlights that non-Gaussian operations, i.e., photon subtraction (PS), photon addition…

Quantum Physics · Physics 2025-07-23 Ramniwas Meena , Chandan Kumar , Subhashish Banerjee

We report the study of quasi-ballistic electron transport in short FETs subjected to magnetic field. Spatial distributions of electron concentrations, velocities, Hall currents and voltages in the short FET channels are determined. The…

Materials Science · Physics 2024-08-28 Mykola Yelisieiev , Vyacheslav Kochelap

Based on the proceding Letter [Int. J. Theor. Phys. 48, 1539 (2009)], we expand the relation between wavelet transformation and Husimi distribution function to the entangled case. We find that the optical complex wavelet transformation can…

Quantum Physics · Physics 2015-05-14 Li-yun Hu , Hong-yi Fan

Within the Thermal Wave Model framework a comparison among Wigner function, Husimi function, and the phase-space distribution given by a particle tracking code is made for a particle beam travelling through a linear lens with small…

acc-phys · Physics 2011-07-19 R. Fedele , F. Galluccio , V. I. Man'ko , G. Miele
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