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6 papers · 2 filters
Circuit-based quantum random access memory for classical data with continuous amplitudes
Tiago M. L. de Veras, Ismael C. S. de Araujo, Daniel K. Park +1
Loading data in a quantum device is required in several quantum computing applications. Without an efficient loading procedure, the cost to initialize the algorithms can dominate t…
Decay of quantumness in a measurement process: Action of a coarse-graining channel
Gabriel Dias Carvalho, Pedro Silva Correia
A model of a quantum measurement process is presented: a system consisting of a qubit in a superposition interacts with a measuring apparatus consisting of a N qubit state. Looking…
Sub-bosonic (deformed) ladder operators
J. Damastor Serafim, Ricardo Ximenes, Fernando Parisio
The canonical operator () represents the ideal process of adding (subtracting) an {\it exact} amount of energy to (from) a physical system in both…
A divide-and-conquer algorithm for quantum state preparation
Israel F. Araujo, Daniel K. Park, Francesco Petruccione +1
Advantages in several fields of research and industry are expected with the rise of quantum computers. However, the computational cost to load classical data in quantum computers c…
A quantum formalism for events and how time can emerge from its foundations
Eduardo O. Dias
Although time is one of our most intuitive physical concepts, its understanding at the fundamental level is still an open question in physics. For instance, time in quantum mechani…
Parametric Probabilistic Quantum Memory
Rodrigo S. Sousa, Priscila G. M. dos Santos, Tiago M. L. Veras +2
Probabilistic Quantum Memory (PQM) is a data structure that computes the distance from a binary input to all binary patterns stored in superposition on the memory. This data struct…