6 papers
Unitary Encoding of Thermal States via Thermofield Dynamics on Quantum Computers
G. X. A. Petronilo, M. R. Araújo, A. B. M. Souza +1
Quantum computing has attracted the attention of the scientific community in the past few decades. However, despite some relevant advantages, near-term quantum devices remain sever…
Solving Linear Systems of Equations with the Quantum HHL Algorithm: A Tutorial on the Physical and Mathematical Foundations for Undergraduate Students
Lucas Q. Galvão, Anna Beatriz M. de Souza, Alexandre Oliveira S. Santos +2
Quantum computing enables the efficient resolution of complex problems, often outperforming classical methods across various applications. In 2009, Harrow, Hassidim and Lloyd propo…
Variational quantum computing for quantum simulation: principles, implementations, and challenges
Lucas Q. Galvão, Anna Beatriz M. de Souza, Marcelo A. Moret +1
This work presents a comprehensive overview of variational quantum computing and their key role in advancing quantum simulation. This work explores the simulation of quantum system…
Qiskit Variational Quantum Classifier on the Pulsar Classification Problem
Anna B. M. Souza, Clebson Cruz, Marcelo A. Moret
Quantum Machine Learning is a new computational tool that combines the quantum properties from quantum computing with the pattern recognition from machine learning. In this paper,…
Simulating Work Extraction in a Dinuclear Quantum Battery Using a Variational Quantum Algorithm
Lucas Galvão, Ana Clara das Neves, Maron Anka +1
Understanding the thermodynamic properties of quantum systems is essential for developing energy-efficient quantum technologies. In this regard, this work explores the application…
Variational quantum simulation of a nonadditive relaxation dynamics in a qubit coupled to a finite-temperature bath
Lucas Q. Galvão, Clebson Cruz, Antonio Cesar do Prado Rosa Junior +1
In this paper, we present an application of the variational quantum simulation (VQS) framework to capture finite-temperature open-system dynamics on near-term quantum hardware. By…