Observation of single-photon azimuthal backflow with weak measurement

ZF Zhang, PF Huang, SC Dong, YX Rong, JS Xu… - Optics Letters, 2025 - opg.optica.org
Quantum backflow (QB), a counterintuitive interference phenomenon where particles with
positive momentum can propagate backward, is important in applications involving light …

Quantum backflow current in a ring: Optimal bounds and fractality

A Goussev, F Quinque, J Joo, A Burbanks - Physical Review A, 2024 - APS
The probability density of a quantum particle moving freely within a circular ring can exhibit
local flow patterns inconsistent with its angular momentum, a phenomenon known as …

Probability backflow for correlated quantum states

A Goussev - Physical Review Research, 2020 - APS
In its original formulation, quantum backflow (QB) is an interference effect that manifests
itself as a negative probability transfer for free-particle states comprised of plane waves with …

Quantum backflow for many-particle systems

M Barbier - Physical Review A, 2020 - APS
Quantum backflow is the classically forbidden effect pertaining to the fact that a particle with
a positive momentum may exhibit a negative probability current at some space-time point …

Different routes to the classical limit of backflow

SV Mousavi, S Miret-Artés - Journal of Physics A: Mathematical …, 2022 - iopscience.iop.org
Decoherence is a well established process for the emergence of classical mechanics in
open quantum systems. However, it can have two different origins or mechanisms …

Nonlinear gradient term effects on the stability of localized structures in parametrically forced extended dissipative systems

TP Nana Leufak, AL Doumbe Doumbe… - The European Physical …, 2024 - Springer
We study the influence of the nonlinear gradient term on the localized solutions generated
by a parametrically forced complex Ginzburg Landau equation (FCGLE) with a forcing …

Surface diffusion within the Caldeira–Leggett formalism

EE Torres-Miyares, G Rojas-Lorenzo… - Physical Chemistry …, 2022 - pubs.rsc.org
Surface diffusion is described in terms of the intermediate scattering function in the time
domain and reciprocal space. Two extreme time regimes are analyzed, ballistic (very short …

On some unexplored decoherence aspects in the Caldeira–Leggett formalism: arrival time distributions, identical particles and diffraction in time

SV Mousavi, S Miret-Artés - The European Physical Journal Plus, 2022 - Springer
Some unexplored decoherence aspects within the Caldeira–Leggett master equation are
analyzed and discussed. The decoherence process is controlled by the two environment …

Quantum backflow for two identical particles

M Barbier, A Goussev - arXiv preprint arXiv:2412.07898, 2024 - arxiv.org
Quantum mechanics introduces the possibility for particles to move in a direction opposite to
their momentum--a counter-intuitive and classically impossible phenomenon known as …

Quantum backflow of a Dirac fermion on a ring

VD Paccoia, O Panella, P Roy - arXiv preprint arXiv:2201.12916, 2022 - arxiv.org
We study the quantum backflow problem of a relativistic charged Dirac fermion constrained
to move on a ring of radius $ R $. Using the relativistic current operator we compute the …