نتایج جستجو برای: transmission probability
تعداد نتایج: 456438 فیلتر نتایج به سال:
The electronic transport in an infinite arrays of driven quantum wells coupled to a quantum ring is studied via a single-band tunneling tight-biding Hamiltonian by perturbing and numerical simulations approaches. In the perturbing approach, an analytical relationship in terms of the coupling constants between nearest-neighbors in quantum wire coupled to a ring based on the quantum dynamical alg...
We study the transport of electrons in a graphene NSN structure in which two normal regions are connected by a superconducting strip of thickness d. Within Dirac-Bogoliubov-de Gennes equations we describe the transmission through the contact in terms of different scattering processes consisting of quasiparticle cotunneling, local and crossed Andreev reflections. Compared to a fully normal stru...
AIDS is an acquired immunodeficiency syndrome caused by the HIV virus (1, 2). AIDS is amongst the major challenges of the health system in all countries. This health challenge has spread to all countries as well as to all age groups, especially the 25-34 age group. The probability of transmission of AIDS ranges from 70% by blood transfusion to 30% by sexual intercourse, mother-to-child transmis...
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