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The dependence of the differential cross section and polarization observables in the $\bar N+N\to \pi +e^++e^-$ reaction on the polarizations of the proton target and antiproton beam (the produced electron may be unpolarized or…

Nuclear Theory · Physics 2015-06-05 G. I. Gakh , E. Tomasi-Gustafsson , A. Dbeyssi , A. G. Gakh

The measurement of correlations between different degrees of freedom is an important, but in general extremely difficult task in many applications of quantum mechanics. Here, we report an all-optical experimental detection and…

We analyze polarization phenomena for elastic lepton-nucleon scattering, parametrizing the $2\gamma$-exchange contribution, as the product of lepton and nucleon axial vector currents, that correspond to $C=+1$ exchange in the annihilation…

Nuclear Theory · Physics 2011-04-12 M. P. Rekalo , E. Tomasi-Gustafsson

We theoretically investigate polarization-entangled photon generation by using a semiconductor quantum dot embedded in a microcavity. The entangled states can be produced by the application of two cross-circularly polarized laser fields.…

Polarization transfer (PT) observables in the single pion production induced by the charged current interaction of the neutrino with the nucleon are examined. The polarization components of the final nucleon and the charged lepton are…

High Energy Physics - Phenomenology · Physics 2018-01-17 Krzysztof M. Graczyk , Beata E. Kowal

In the fluorescence light of a single atom, the probability for emission of a photon with certain polarization depends on the polarization of the photon emitted immediately before it. Here correlations of such kind are investigated with a…

Quantum Physics · Physics 2015-05-14 F. Rohde , J. Huwer , N. Piro , M. Almendros , C. Schuck , F. Dubin , J. Eschner

We investigate the production of circularly polarised X and gamma-ray signals in cosmic accelerators such as supernova remnants and AGN jets. Proton-proton and proton-photon collisions within these sites produce a charge asymmetry in the…

High Energy Astrophysical Phenomena · Physics 2021-01-04 Céline Boehm , Céline Degrande , Jakub Scholtz , Aaron C. Vincent

Parity-odd domains, corresponding to non-trivial topological solutions of the QCD vacuum, might be created in relativistic heavy ions collisions. These domains are predicted to lead to charge separation along the system orbital momentum of…

Nuclear Experiment · Physics 2009-11-18 Sergei A. Voloshin , the STAR Collaboration

Polarized and unpolarized observables in the process of the triplet photoproduction on a free electron, $\gamma +e\to e+e+e$, have been calculated in the laboratory system. These observables are calculated in the approximation when the…

High Energy Physics - Phenomenology · Physics 2015-12-14 G. I. Gakh , M. I. Konchatnij , N. P. Merenkov

A strong-weak coupling duality symmetry of the string equations of motion has been suggested in the literature. This symmetry implies that vacua occur in pairs. Since the coupling constant is a dynamical variable in string theory, tunneling…

High Energy Physics - Theory · Physics 2011-06-10 J. D. Cohn , Vipul Periwal

The rate of $e^+e^-$ pair creation by external electric field in the presence of an incident photon beam is calculated for the photon energy far below the threshold, $\omega \ll m$, and the field strength small as compared to the critical…

High Energy Physics - Theory · Physics 2010-05-12 A. Monin , M. B. Voloshin

Correlation between the rectilinear polarisations of the photons emitted from the biexciton decay in a single quantum dot is investigated in a device which allows the charge-state of the dot to be controlled. Optimising emission from the…

Quantum Physics · Physics 2009-11-13 R. J. Young , S. J. Dewhurst , R. M. Stevenson , A. J. Shields , P. Atkinson , K. Cooper , D. A. Ritchie

This manuscript presents a method to convert position correlation of photon-pairs into polarization entanglement. This is achieved by individually manipulating the polarization state of photons generated in different parts of a non-linear…

Quantum Physics · Physics 2020-07-15 Chithrabhanu Perumangatt , Alexander Lohrmann , Alexander Ling

We study the fluctuation electromagnetic interaction in a system of two rotating electrically neutral nonmagnetic particles with allowance for relativistic retardation effect. The particles are assumed to have different temperatures being…

Mesoscale and Nanoscale Physics · Physics 2012-10-26 A. A. Kyasov , G. V. Dedkov

We propose an experimental test of local hidden variable theories against quantum mechanics by measuring the polarization correlation of entangled vector meson pairs. In our study, the form of the polarization correlation probability is…

High Energy Physics - Phenomenology · Physics 2012-09-25 Xun Chen , Siguang Wang , Yajun Mao

The polarizabilities $\alpha$ (electric), $\beta$ (magnetic) and $\gamma_\pi$ (backward spin) of the nucleon are investigated in terms of degrees of freedom of the nucleon using recent results for the CGLN amplitudes and resonance couplings…

High Energy Physics - Phenomenology · Physics 2013-06-26 Martin Schumacher

The process of pair creation by a photon in a constant and homogeneous electromagnetic field of an arbitrary configuration is investigating. At high energy the correction to the standard quasiclassical approximation (SQA) has been…

High Energy Physics - Phenomenology · Physics 2022-03-02 V. M. Katkov

One of the most interesting and important phenomena predicted to occur in heavy-ion collisions is the local strong parity violation. In non-central collisions, it is expected to result in charge separation of produced particles along the…

Nuclear Experiment · Physics 2019-08-13 Ilya Selyuzhenkov

The photon-induced process of electron-positron pair creation in a strong homogeneous magnetic field, provided that the polarization of particles is arbitrary, has been considered. The polarization of a photon is described in terms of the…

High Energy Physics - Phenomenology · Physics 2010-02-08 O. P. Novak , R. I. Kholodov

The spectrum of an exactly solvable non-relativistic system of a charged particle interacting with a quantized electromagnetic mode is studied with various polarizations. Quasiparticle dispersion relations can be derived from the…

Quantum Physics · Physics 2017-06-13 P. Mati