electron motion
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Science ◽  
2022 ◽  
Author(s):  
Siqi Li ◽  
Taran Driver ◽  
Philipp Rosenberger ◽  
Elio G. Champenois ◽  
Joseph Duris ◽  
...  
Keyword(s):  

2021 ◽  
Author(s):  
Dandan Hui ◽  
Husain Alqattan ◽  
Shunsuke Yamada ◽  
Vladimir Pervak ◽  
Kazuhiro Yabana ◽  
...  

2021 ◽  
Vol 90 (11) ◽  
Author(s):  
Shintaro Takada ◽  
Giorgos Georgiou ◽  
Everton Arrighi ◽  
Hermann Edlbauer ◽  
Yuma Okazaki ◽  
...  

2021 ◽  
Vol 34 (4) ◽  
pp. 17-25
Author(s):  
Luma Y. Abbas ◽  
Nedal ali Hussain ◽  
Ali N Mohammed

      The present work has been characterized by higher order modes in the cavities of the Gyrotron; they are capable of producing RF plasma by developments of it. It uses for fusion systems. We choose the TE31,8 mode in our study. The main problem of gyrotron is the device of the thermal cavity loading. The problem of the thermal loading is solved when any parasitic modes suppress, absence of desired modes; the thermal loading is increased when the high power tube of gyrotron operation is unstable. The mathematical interaction model contains equations that describe the electron motion and the field profiles of the transferred electric modes of the resonator, these are interacting with electrons based on the finite difference method that has been designed to study the starting current, the frequency, quality factor and calculates the roots of the Bessel function by the program we designed in Fortran language. They are used to calculate the operation frequency. Good agreement is between our results and the previous published results both confirm the accuracy of the performance of the designed program.


2021 ◽  
Vol 34 (3) ◽  
pp. 351-365
Author(s):  
W. Guglinski

Schrödinger developed his famous equation from the standard wavelength. However, as demonstrated here, inside the atom, the electron does not move according to de Broglie-Einstein’s postulate λ = h/p, because the wavelength of the electron’s motion varies with the distance to the nucleus. Therefore, Schrödinger’s equation does not quantify the real electron’s motion in atoms. Here, the equation of a variable wavelength for electron motion inside atoms is introduced. The calculation, applied to the hydrogen atom, achieves energy level values very close to the experimental values. This successful result can provide a deeper understanding of the behavior of electrons in atoms and improve the fundamentals of quantum mechanics (QM). However, beyond the question concerning the postulate λ = h/p, two other fundamental principles may be missing in modern QM, and they are: an anisotropic space inside atoms and a motion of the electron through a helical trajectory.


2021 ◽  
Vol 103 (6) ◽  
Author(s):  
A. R. Knyazev ◽  
S. I. Krasheninnikov
Keyword(s):  

2021 ◽  
Author(s):  
Dandan Hui ◽  
Husain Alqattan ◽  
Shunsuke Yamada ◽  
Volodymyr Pervak ◽  
Kazuhiro Yabana ◽  
...  

Abstract Attosecond science capitalizes on the extreme nonlinearity of strong fields, driven by few-cycle pulses, to attain attosecond temporal resolution and give access to the electron motion dynamics of matter in real-time. Here, we measured the electronic delay response of the dielectric system triggered by a strong field of few-cycle pulses to be in the order of 425 ± 98 as. Moreover, we exploited the electronic response following the strong driver field to demonstrate all-optical light field metrology with attosecond resolution. This field sampling methodology provides a direct connection between the driver field and the induced ultrafast dynamics in matter. Also, we demonstrate the quantum electron motion control in dielectric using synthesized light waveforms. This on-demand electron motion control realizes the long-anticipated ultrafast optical switches and quantum electronics. This advancement promises to increase the limiting speed of data processing and information encoding to rates that exceed 1 petabit/s, opening a new realm of information technology.


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