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10 papers · 2 filters
Cosmic string influence on a 2D hydrogen atom and its relationship with the Rytova-Keldysh logarithmic approximation in semiconductors
Frankbelson dos S. Azevedo, Izael A. Lima, Gallileu Genesis +2
A two-dimensional hydrogen atom offers a promising alternative for describing the quantum interaction between an electron and a proton in the presence of a straight cosmic string.…
Linear decomposition of approximate multi-controlled single qubit gates
Jefferson D. S. Silva, Thiago Melo D. Azevedo, Israel F. Araujo +1
We provide a method for compiling approximate multi-controlled single qubit gates into quantum circuits without ancilla qubits. The total number of elementary gates to decompose an…
Weyl channels for multipartite systems
Tomas Basile, Jose Alfredo de Leon, Alejandro Fonseca +2
Quantum channels, a subset of quantum maps, describe the unitary and non-unitary evolution of quantum systems. We study a generalization of the concept of Pauli maps to the case of…
Distillation of quantum non-Markovianity
Thiago Melo D. Azevedo, Cristhiano Duarte, Nadja K. Bernardes
Non-Markovianty of open quantum systems dynamics is a physically relevant property which is usually associated with the backflow of (quantum) information. Using this paradigmatic m…
Non-Markovianity in High-Dimensional Open Quantum Systems using Next-generation Multicore Optical Fibers
Santiago Rojas-Rojas, Daniel Martínez, Kei Sawada +5
With the advent of quantum technology, the interest in communication tasks assisted by quantum systems has increased both in academia and industry. Nonetheless, the transmission of…
The shadows of quantum gravity on Bell's inequality
Hooman Moradpour, Shahram Jalalzadeh, Hamid Tebyanian
This study delves into the validity of quantum mechanical operators in the context of quantum gravity, recognizing the potential need for their generalization. A primary objective…