Results 21 to 30 of about 86,378 (158)

Time in Quantum Mechanics and the Local Non-Conservation of the Probability Current

Mathematics, 2018
In relativistic quantum field theory with local interactions, charge is locally conserved. This implies local conservation of probability for the Dirac and Klein–Gordon wavefunctions, as special cases; and in turn for non-relativistic quantum field
Giovanni Modanese
doaj   +1 more source

Geometry, stochastic calculus and quantum fields in a non-commutative space-time

, 1999
The algebras of non-relativistic and of classical mechanics are unstable algebraic structures. Their deformation towards stable structures leads, respectively, to relativity and to quantum mechanics.
Accardi L., Andronov A., Blokhintsev D. I., Dineykhan M., Doplicher S., Dubois-Violette M., Faddeev L. D., Finkelstein D., Flato M., Gudder S. P., Jackson J. C., Kadyshevsky V. G., Kadyshevsky V. G., Madore J., R. Vilela Mendes, Vilela Mendes R., Vilela Mendes R.   +16 more
core   +1 more source

Recurrence relation for relativistic atomic matrix elements

, 2000
Recurrence formulae for arbitrary hydrogenic radial matrix elements are obtained in the Dirac form of relativistic quantum mechanics. Our approach is inspired on the relativistic extension of the second hypervirial method that has been succesfully ...
A L Salas-Brito, Bjorken J D, Blanchard P, Bluhm R, Constantinescu F, De Lange O L, Grant I P, Greiner W, H N Núñez-Yépez, Kobus J, Martínez-y-Romero R P, Martínez-y-Romero R P, Moss R E, Núñez-Yépez H N, Pasternack S, Quiney H M, R P Martínez-y-Romero   +16 more
core   +1 more source

A New Space-Time Theory Unravels the Origins of Classical Mechanics for the Dirac Equation

Quantum Reports
The Feynman path integral plays a central role in quantum mechanics, linking classical action to propagators and relating quantum electrodynamics (QED) to Feynman diagrams.
Wei Wen
doaj   +1 more source

Unification of Relativistic and Quantum Mechanics from Elementary Cycles Theory

, 2016
In Elementary Cycles theory elementary quantum particles are consistently described as the manifestation of ultra-fast relativistic spacetime cyclic dynamics, classical in the essence.
Dolce, Donatello
core   +1 more source

Quantum Reference Frames for Lorentz Symmetry [PDF]

Quantum
Since their first introduction, Quantum Reference Frame (QRF) transformations have been extensively discussed, generalising the covariance of physical laws to the quantum domain.
Luca Apadula, Esteban Castro-Ruiz, Časlav Brukner   +2 more
doaj   +1 more source

A project to measure quantum spin correlations of relativistic electron pairs in Møller scattering

EPJ Web of Conferences, 2017
A project to measure quantum spin correlations for relativistic particles with mass is presented. It aims at testing spin observables in relativistic quantum mechanics.
Ciborowski Jacek, Caban Paweł, Drągowski Michał, Enders Joachim, Fritzsche Yuliya, Poliszczuk Artem, Rembieliński Jakub, Włodarczyk Marta   +7 more
doaj   +1 more source

P.A.M. Dirac and the Discovery of Quantum Mechanics

, 2010
Dirac's contributions to the discovery of non-relativistic quantum mechanics and quantum electrodynamics, prior to his discovery of the relativistic wave equation, are ...
Dalitz R. H., Dirac P. A. M., Dirac P. A. M., Dirac P. A. M., Dirac P. A. M., Jammer M., Jost R., Kragh H., Kurt Gottfried, Mott N. F., Schweber S. S., van der Waerden B. L.   +11 more
core   +1 more source

Observation of interaction-induced phenomena of relativistic quantum mechanics

Communications Physics, 2021
Relativistic quantum mechanics is typically used to describe phenomena of high-energy physics but can also be applied to describe some features of quantum materials.
Weixuan Zhang, Hao Yuan, Wenjing He, Xingen Zheng, Na Sun, Fengxiao Di, Houjun Sun, Xiangdong Zhang   +7 more
doaj   +1 more source

Three different approaches to the same interaction: the Yukawa model in nuclear physics

, 2012
After a brief discussion of the meaning of the potential in quantum mechanics, we examine the results of the Yukawa model (scalar meson exchange) for the nucleon-nucleon interaction in three different dynamical frameworks: the non-relativistic dynamics ...
Carbonell, J., de Soto, F., Karmanov, V. A.   +2 more
core   +3 more sources