نتایج جستجو برای: gravitation

تعداد نتایج: 3098  

Journal: :Bulletin of the American Mathematical Society 1914

Journal: :Physik in unserer Zeit 1970

In this study, the noncommutative problems of quantum mechanics in the presence of the classical gravitation field are investigated. It is shown that spaectime will fail by Schwarzschild metric, and classical response to the gravitational field, will be equal to the change in the geodesic derivation equation

1999
ULRICH H. GERLACH

Does there exist a purely quantum mechanical carrier of the imprints of gravitation? The motivation for considering this question arises from the following historical scenario: Suppose the time is 1907 when Einstein had the “happiest thought of his life”, which launched him on the path toward his formulation of gravitation (general relativity). But suppose Einstein already knew relativistic qua...

1999
ULRICH H. GERLACH

Does there exist a purely quantum mechanical carrier of the imprints of gravitation? The motivation for considering this question arises from the following historical scenario: Suppose a time traveller from today visited Einstein in 1907, when he had the “happiest thought of his life”, just in time before Einstein actually started on the path which led towards his formulation of gravitation (ge...

Journal: :Clinical biomechanics 1991
L G Lemmers M M Sanders J C Cool H J Grootenboer

To explain the cause of axial rotation in a scoliotic vertebral column, the influence of the gravitation force on a spine with a C-scoliosis has been investigated by means of a mechanical model. In this model the gravitation force takes hold of the three-dimensionally curved vertebral column eccentrically. From these reflections it appears that the axial rotation in the scoliotic spine can be e...

2008
Stefan Friedrich

The Vlasov-Nordström system serves for the description of galaxies and globular clusters under the influence of gravitation. If one neglects collisions between particles and uses the Nordström scalar theory of gravitation coupled to the Vlasov equation, one arrives at the so called Vlasov-Nordström system, which is more complicated than the non-relativistic Vlasov-Poisson system based on Newton...

Journal: :Journal of Mathematical Physics 2022

Consider hard balls in a bounded rotating drum. If there is no gravitation then Fermi acceleration, i.e., the energy of remains forever. gravitation, acceleration may arise. A number explicit formulas for system without are given. Some these based on an realization, which we derive, well-known microcanonical ensemble measure.

2010
Ryotaro Wake Takuya Misugi Kenei Shimada Minoru Yoshiyama

The purpose of this study was to examine the influence of the gravitation of the Moon on the frequency of births in Kyoto, Japan. A retrospective cohort analysis of 1007 consecutive births without the use of the induction agents was conducted on a population of births in a private midwife hospital from January, 1966 to December, 2000. There was a significant increase in the cases of births, whe...

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