MODEL OF SUPERCONDUCTING DOMAINS — A UNIFIED THEORY OF HIGH- AND LOW- TC SUPERCONDUCTORS (II)

2005 ◽  
Vol 19 (01n03) ◽  
pp. 103-105
Author(s):  
KUANGDING PENG

The unified model of superconductivity has been discussed [1]. In the model the motion of phononic electron (PE) pairs is described by a non-linear schrödinger equation of PE pairs (SEPE). From SEPE the ideal conductivity in superconductors in external magnetic field has been derived. From wave property of motion of PE pairs, Josephson equations have been proven. From the formula of Tc, the relation of Tc to pressure p has been explained.

2020 ◽  
Vol 2020 ◽  
pp. 1-9
Author(s):  
R. A. S. Paiva ◽  
R. G. G. Amorim ◽  
S. C. Ulhoa ◽  
A. E. Santana ◽  
F. C. Khanna

The two-dimensional hydrogen atom in an external magnetic field is considered in the context of phase space. Using the solution of the Schrödinger equation in phase space, the Wigner function related to the Zeeman effect is calculated. For this purpose, the Bohlin mapping is used to transform the Coulomb potential into a harmonic oscillator problem. Then, it is possible to solve the Schrödinger equation easier by using the perturbation theory. The negativity parameter for this system is realised.


2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
H. Hassanabadi ◽  
Z. Molaee ◽  
S. Zarrinkamar

We consider the Schrödinger equation under an external magnetic field in two-dimensional noncommutative phase space with an explicit minimal length relation. The eigenfunctions are reported in terms of the Jacobi polynomials, and the explicit form of energy eigenvalues is reported.


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