Results 91 to 100 of about 564,677 (236)

Physical consequences of Lindbladian invariance transformations

open access: yesPhysical Review Research
On its own, the invariance properties of Markovian master equations have mostly played a mathematical or computational role in the evaluation of quantum open system dynamics. Because all forms of the equation lead to the same time evolution for the state of the system, the fixation of a particular form has only gained physical meaning when correlated ...
Yohan Vianna de Almeida   +2 more
openaire   +3 more sources

A Novel Orbit Parameterization in Spherical Coordinates

open access: yesThe Planetary Science Journal
We present a novel orbit parameterization in spherical coordinates. This parameterization enables the mixing of varying and invariant orbital parameters, and clarifies the physics of the orbit.
Kevin J. Napier, Matthew J. Holman
doaj   +1 more source

Self-Similarities and Invariant Densities for Model Sets

open access: yes, 1997
Model sets (also called cut and project sets) are generalizations of lattices. Here we show how the self-similarities of model sets are a natural replacement for the group of translations of a lattice.
Baake, Michael, Moody, Robert V.
core   +1 more source

NEUTRINO PHYSICS AND LEPTONIC WEAK BASIS INVARIANTS [PDF]

open access: yesParticle Physics at the Silver Jubilee of Lomonosov Conferences, 2019
In this talk we present a powerful tool applied to the study of Leptonic Physics. This tool is based on the construction of Weak Basis invariant relations associated to different properties of leptonic models. The rationale behind these constructions is the fact that fermion mass matrices related through weak basis transformations look different but ...
openaire   +3 more sources

Scale invariance in cosmology and physics

open access: yes, 2011
The fundamental laws of physics are required to be invariant under local spatial scale change. In 3-dimensional space, this leads to a variation in Planck constant \hbar and speed of light c. They vary as \hbar ~ a^(1/2) and c ~ a^(-1/2), a is the local scale.
openaire   +2 more sources

Physics Opportunities in Ultraperipheral Heavy Ion Collisions at LHC

open access: yes, 2001
Due to coherence, there are strong electromagnetic fields of short duration in very peripheral heavy ion collisions. They give rise to photon-photon and photon-nucleus collisions with high flux.
Baur, G.
core  

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