Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Xiazhou Yang"'
Autor:
Xiazhou Yang
Publikováno v:
Heliyon, Vol 10, Iss 3, Pp e24766- (2024)
We develop a novel method to completely solve the 3-term partial exponential Diophantine equation that represents a generalization of the standard discrete logarithm problem. Our method not only reveals the internal structure of the equation's soluti
Externí odkaz:
https://doaj.org/article/a65599982e1847bd9c7b004885ee99a8
Autor:
Xiazhou Yang
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Physical Review A. 55:466-478
Complex adiabatic potential curves are an essential input to atomic surface scattering calculations employing the coupled-states method. We present calculations for the ground state of hydrogen near a jellium surface with the density of aluminum. Two
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 115:152-156
We present new results for the atomic H(1s) resonance near an aluminium surface. Two complementary techniques have been implemented: the complex rotation method and the stabilization method. We employ large-scale matrix diagonalization and realistic
Publikováno v:
Physical Review A. 53:3934-3945
The hyperspherical coordinates approach to three-electron atomic systems is further refined by taking into account the symmetry of the electrons analytically. Spins are treated explicitly for both doublet and quartet cases to reduce the three-electro
Publikováno v:
Physical Review B. 52:8219-8225
The statistical properties of magnetoconductance in ballistic microcavities are investigated numerically. The distribution of conductance for chaotic cavities is found to follow the renormalized Porter-Thomas distribution suggested by random-matrix t
Publikováno v:
Chaos, Solitons & Fractals. 5:1235-1273
We study the trajectories of resonances in the complex energy plane as a function of a control parameter for simple systems whose classical counterparts are regular and chaotic. We analyze the influence of the classical phase space structure on the p
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 100:336-341
We present first results of new accurate calculations for atomic resonances near an Al surface. We employ large-scale matrix diagonalization involving ≥ 1000 basis states and realistic effective single-particle potentials. We implement two compleme
Publikováno v:
Physical Review A. 49:2470-2475
Mandelshtam, Ravuri, and Taylor [Phys. Rev. Lett. 70, 1932 (1993)] have recently proposed a novel approach for the calculation of resonance states in one- and two-channel problems. We show that a modification of this approach, suitable for stabilizat
Autor:
Xiazhou Yang, Joachim Burgdörfer
Publikováno v:
Physical Review A. 48:83-87
The distribution of isolated avoided crossings in quantum systems whose classical counterparts possess a mixed phase space of regular and chaotic dynamics is investigated. The distribution function for the width is shown to consist of two components: