نتایج جستجو برای: energy and momentum

تعداد نتایج: 16939516  

Journal: :Journal of physics 2021

Quantizing the transfer of energy and momentum between interacting particles, we obtain a quantum impulse equation relations that corresponding mechanical power, force torque satisfy. In addition to energy-frequency momentum-wavelength relations, introduce power-frequency force-wavelength analogs, respectively. Further, an operator representation for power impact in position space discuss their...

Journal: :Numerical Algorithms 2023

In this paper, we propose SGEM, stochastic gradient with energy and momentum, to solve a class of general non-convex optimization problems, based on the AEGD method introduced in (adaptive descent energy) Liu Tian (Numerical Algebra, Control Optimization, 2023). SGEM incorporates both momentum so as inherit their dual advantages. We show that features an unconditional stability property provide...

Journal: :International Journal of Modern Physics A 2007

2004
M. Sharif

The energy and momentum for different cosmological models using various prescriptions are evaluated. In particular, we have focused our attention on the energy and momentum for gravitational waves and discuss the results. It is concluded that there are methods which can provide physically acceptable results.

بارون, آلفرد, تاجیما, ستسوکو, تاناکا, کیوهیسا, خسروآبادی, حسین, میاساکا, شیگکی, کبایاشی, جونیچی, یوچیاما, هیروشی,

Single crystals of Ba1-xKxBiO3 compound for 0 < x <0.6 from insulator to superconducting region have been grown by electrochemical method. The crystals have been characterized by powder x-ray diffraction and Laue x-ray to determine the crystal structure, formed phases and potassium concentration. Inelastic x-ray scattering spectrum of the crystals has been studied to investigate the phonon pro...

2001
Franz Gross

We review1 some recent results for elastic electron deuteron scattering (deuteron form factors) and photodisintegration of the deuteron, with emphasis on the recent high energy data from Jefferson Laboratory (JLab). DEUTERON WAVE FUNCTIONS AND FORM FACTORS Calculations of deuteron form factors and photo and electrodisintegration to the NN final state require a deuteron wave function. The best n...

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