نتایج جستجو برای: gravitational force algorithm

تعداد نتایج: 968049  

2008
Vladimír Majerník

We apply the principle of energy conservation to the motion of the test particle in gravitational field by requiring that its energy, gained by gravitation, has to be balanced by decrease of its rest mass. Due to the change of mass in gravitational field Newton's force law between gravitating bodies is modified, too. With this modified force law we build up the the classical field theory of gra...

Journal: :Physical review letters 2012
Michael A Hohensee Brian Estey Paul Hamilton Anton Zeilinger Holger Müller

We propose a feasible laboratory interferometry experiment with matter waves in a gravitational potential caused by a pair of artificial field-generating masses. It will demonstrate that the presence of these masses (and, for moving atoms, time dilation) induces a phase shift, even if it does not cause any classical force. The phase shift is identical to that produced by the gravitational redsh...

1997
V. C. de Andrade J. G. Pereira

In the context of a gauge theory for the translation group, we have obtained , for a spinless particle, a gravitational analog of the Lorentz force. Then, we have shown that this force equation can be rewritten in terms of magnitudes related to either the teleparallel or the riemannian structures induced in spacetime by the presence of the gravitational field. In the first case, it gives a forc...

2003
Barry Webster Philip J. Bernhard

This document discusses the concept of an algorithm designed to locate the optimal solution to a problem in a (presumably) very large solution space. The algorithm attempts to locate the optimal solution to the problem by beginning a search at an arbitrary point in the solution space and then searching in the “local” area around the start point to find better solutions. The algorithm completes ...

2001
Thomas J. Phillips

The gravitational force on antimatter has never been directly measured, largely because electromagnetic forces overwhelm gravitational forces and no form of low-energy neutral antimatter has been available. However, the technology to make low-energy antihydrogen is currently being developed. We have designed an atomic interferometer that can measure the force of gravity on hydrogen or antihydro...

Journal: :Microgravity science and technology 2009
Bruce E Hammer Louis S Kidder Philip C Williams Wayne Wenzhong Xu

Diamagnetic samples placed in a strong magnetic field and a magnetic field gradient experience a magnetic force. Stable magnetic levitation occurs when the magnetic force exactly counter balances the gravitational force. Under this condition, a diamagnetic sample is in a simulated microgravity environment. The purpose of this study is to explore if MC3T3-E1 osteoblastic cells can be grown in ma...

1997
V C De Andrade J G Pereira

In the context of a gauge theory for the translation group, we have obtained , for a spinless particle, a gravitational analog of the Lorentz force. Then, we have shown that this force equation can be rewritten in terms of magnitudes related to either the teleparallel or the riemannian structures induced in spacetime by the presence of the gravitational field. In the first case, it gives a forc...

In the past decades, vehicle routing problem (VRP) has gained considerable attention for its applications in industry, military, and transportation applications. Vehicle routing problem with simultaneous pickup and delivery is an extension of the VRP. This problem is an NP-hard problem; hence finding the best solution for this problem which is using exact method, take inappropriate time, and th...

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