Enhanced Anharmonic Oscillations in Cu0.5Tl0.5Ba2(Ca2−yMgy)Cu3−xCdxO10−δ (y = 0, 1; x = 0, 1.5) Superconductors

2020 ◽  
Vol 49 (3) ◽  
pp. 2302-2309 ◽  
Author(s):  
Asad Raza ◽  
Nawazish A. Khan ◽  
Najmul Hassan
1998 ◽  
Vol 76 (8) ◽  
pp. 645-657 ◽  
Author(s):  
Pirooz Mohazzabi

The problem of a particle oscillating without friction on a curve in a vertical plane (referred to as a vertical curve) is addressed. It is shown that there are infinitely many asymmetric concave vertical curves on which oscillations of a particle remain isochronous. The general equation of these curves is derived, and a one-to-one correspondence between these curves and one-dimensional potentials is established. The results are compared with the existing literature, and an interesting nontrivial special case is discussed. Some issues regarding interpretation of the results in the context of action and angle variables are also addressed. PACS No. 03.20


1990 ◽  
Vol 59 (4) ◽  
pp. 1127-1130 ◽  
Author(s):  
Akihiro Kajita ◽  
Masahiro Kimura ◽  
Shunsuke Ohtani ◽  
Hiroyuki Tawara ◽  
Yahachi Saito

1999 ◽  
Vol 67 (3) ◽  
pp. 228-235 ◽  
Author(s):  
Barbara Pecori ◽  
Giacomo Torzo ◽  
Andrea Sconza

2020 ◽  
Vol 1556 ◽  
pp. 012079
Author(s):  
A A Kartasheva ◽  
Yu B Golubovskii ◽  
V Yu Karasev

Author(s):  
Gleb L. Kotkin ◽  
Valeriy G. Serbo

This chapter addresses the canonical transformation defined by the given generating function, the rotation in the phase space as a canonical transformation, and themovement of the system as a canonical transformation. The chapter also discusses using the canonical transformations for solving the problems of the anharmonic oscillations and using the canonical transformation to diagonalize the Hamiltonian function of an anisotropic charged harmonic oscillator in a magnetic field. Finally, the chapter addresses the canonical variables which reduce the Hamiltonian function of the harmonic oscillator to zero and using them for consideration of the system of the harmonic oscillators with the weak nonlinear coupling.


2017 ◽  
Vol 38 (4) ◽  
pp. 045004 ◽  
Author(s):  
João C Fernandes ◽  
Pedro J Sebastião ◽  
Luís N Gonçalves ◽  
António Ferraz

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