Results 31 to 40 of about 285,524 (264)

Past of a quantum particle: old problem with recent controversies

open access: yesZagadnienia Filozoficzne w Nauce, 2022
Time-symmetric formulation of quantum mechanics—the two-state vector formalism—is presented as a tool for studying past behaviour of quantum systems. A role of weak measurement and weak values in the Cheshire Cat effect and a nested (Vaidman) three-path ...
Jerzy Dajka
doaj  

The Two-Time Interpretation and Macroscopic Time-Reversibility

open access: yesEntropy, 2017
The two-state vector formalism motivates a time-symmetric interpretation of quantum mechanics that entails a resolution of the measurement problem. We revisit a post-selection-assisted collapse model previously suggested by us, claiming that unlike the ...
Yakir Aharonov   +2 more
doaj   +1 more source

Soft gluon resummation in Higgs boson plus two jet production at the LHC

open access: yesPhysics Letters B, 2019
The soft gluon resummation effect in the Higgs boson plus two-jet production at the LHC is studied by applying the transverse momentum dependent factorization formalism. The large logarithms, introduced by the small total transverse momentum of the Higgs
Peng Sun, C.-P. Yuan, Feng Yuan
doaj   +1 more source

A Method to Generate Vector Beams with Adjustable Amplitude in the Focal Plane

open access: yesApplied Sciences, 2020
We design and investigate an original optical component made of a c-cut uniaxial crystal and an optical system to generate cylindrical vector beams with an adjustable polarization state. The original optical component has a specific, nearly conical shape
Alexandru Crăciun, Traian Dascălu
doaj   +1 more source

SU(2) hyper-clocks: Quantum engineering of spinor interferences for time and frequency metrology

open access: yesPhysical Review Research, 2022
In 1949, Ramsey's method [Phys. Rev. 76, 996 (1949)PHRVAO0031-899X10.1103/PhysRev.76.996] of separated oscillating fields was elaborated boosting over many decades metrological performances of atomic clocks and becoming the standard technique for very ...
T. Zanon-Willette   +4 more
doaj   +1 more source

Determination of birefringence of biological tissues using modified PS-OCT based on the quaternion approach

open access: yesFrontiers in Physics, 2023
Introduction: Polarization-sensitive optical coherence tomography (PS-OCT) is a functional extension of standard OCT. PS-OCT systems can be generally categorized into two categories based on the number of input polarization states on the sample: multi ...
Qiuqing Ke   +6 more
doaj   +1 more source

Radiative proton-antiproton annihilation and isospin mixing in protonium [PDF]

open access: yes, 1999
A detailed analysis of the radiative $p\bar p$ annihilation is made in the framework of a two-step formalism, the $p\bar p$ annihilates into meson channels containing a vector meson with a subsequent conversion into a photon via the vector dominance ...
Faessler, A.   +3 more
core   +4 more sources

Status of quarkonia-like negative and positive parity states in a relativistic confinement scheme

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
Properties of quarkonia-like states in the charm and bottom sector have been studied in the frame work of relativistic Dirac formalism with a linear confinement potential. We have computed the mass spectroscopy and decay properties (vector decay constant
Tanvi Bhavsar   +2 more
doaj   +1 more source

Dealing with T and CPT violations in mixing as well as direct and indirect CP violations for neutral mesons decaying to two vectors

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
A large number of observables can be constructed from differential decay rate based on the polarization of final state while considering decay of a neutral meson $$(P^{0} \text { or } {\bar{P}}^{0})$$ (P0orP¯0) to two vector particles.
Anirban Karan
doaj   +1 more source

Relativistic Rotating Electromagnetic Fields

open access: yesAdvances in High Energy Physics, 2020
In this work, we consider axially symmetric stationary electromagnetic fields in the framework of special relativity. These fields have an angular momentum density in the reference frame at rest with respect to the axis of symmetry; their Poynting vector
H. Vargas-Rodríguez   +4 more
doaj   +1 more source

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