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198.174  Articles
1 of 19.818 pages  |  10  records  |  more records»
We propose a schematic setup of quantum key distribution (QKD) with an improved secret key rate based on high-dimensional quantum states. Two degrees-of-freedom of a single photon, orbital angular momentum modes, and multi-path modes, are used to encode s... see more

We study the dependence of trapping time of an electron in a circular graphene quantum dot depends on the electron's angular momentum and on the parameters of the external Gaussian potential used to induce the dot. The trapping times are calculated throug... see more

The subject of research in the article is the energy spectrum of a multilayer quantum sized structure with an energy profile of a complex shape. The goal of this work is to study the interaction of quantum-confined and quasi- continuum energy states of pa... see more

Lenoir engine based on the quantum system has been studied theoretically to increase the thermal efficiency of the ideal gas. The quantum system used is a single particle (as a working fluid instead of gas in a piston tube) in a one-dimensional infinite p... see more

Abstract: Quantum learning is a strategy in teaching and learning activities that have unique, fun, and fun characteristics. So, in student learning is not directed to stressful or tense thinking but rather to enjoy, besides that it also uses the media to... see more

Abstract: Quantum learning is a strategy in teaching and learning activities that have unique, fun, and fun characteristics. So, in student learning is not directed to stressful or tense thinking but rather to enjoy, besides that it also uses the media to... see more

Quantum information geometry studies families of quantum states by means of differential geometry. A new approach is followed with the intention to facilitate the introduction of a more general theory in subsequent work. To this purpose, the emphasis is s... see more

We studied the non-equilibrium current, transport coefficients and thermoelectric performance of a nano-junction, composed by a quantum dot connected to a normal superconductor and a topological superconductor leads, respectively. We considered a one-dime... see more

For graphs there exists a strong connection between spectral and combinatorial expansion properties. This is expressed, e.g., by the discrete Cheeger inequality, the lower bound of which states that ?(G)=h(G), where ?(G) is the second smallest eigenvalue ... see more

1 of 19.818 pages  |  10  records  |  more records»