25 citations · 92 across the 16 of their papers we have counts for
16 papers
Structured Parameterization and Non-Stabilizerness in Hypergraph QAOA
Evan Camilleri, André Xuereb, Tony J. G. Apollaro +1
The quantum approximate optimization algorithm (QAOA) has emerged as a promising candidate for demonstrating quantum advantage on noisy intermediate-scale quantum (NISQ) devices. W…
Variational Gibbs State Preparation on Trapped-Ion Devices
Reece Robertson, Mirko Consiglio, Josey Stevens +3
We implement a variational quantum algorithm for Gibbs state preparation of a transverse-field Ising model on IonQ's quantum computers. To this end, we train the variational parame…
Achieving fast and robust perfect entangling gates via reinforcement learning
Leander Grech, Matthias G. Krauss, Mirko Consiglio +4
Noisy intermediate-scale quantum computers hold the promise of tackling complex and otherwise intractable computational challenges through the massive parallelism offered by qubits…
Variational Quantum Algorithms for Many-Body Systems
Mirko Consiglio
Variational quantum algorithms (VQAs) incorporate hybrid quantum-classical computation aimed at harnessing the power of noisy intermediate-scale quantum (NISQ) computers to solve c…
Long-distance genuine multipartite Entanglement between Magnetic Defects in Spin Chains
Mirko Consiglio, Jovan Odavić, Riccarda Bonsignori +5
We investigate the emergence and properties of long-distance genuine multipartite entanglement, induced via three localized magnetic defects, in a one-dimensional transverse-field…
Detecting quasi-degenerate ground states in topological models via variational quantum eigensolver
Carola Ciaramelletti, Martin Beseda, Mirko Consiglio +3
We study the exact ground states of the Su--Schrieffer--Heeger open chain and of the Kitaev open chain, using the Variational Quantum Eigensolver (VQE) algorithm. These models host…
Many-body thermal states on a quantum computer: a variational approach
Mirko Consiglio, Tony J. G. Apollaro
{Many-body quantum states at thermal equilibrium are ubiquitous in nature. Investigating their dynamical properties is a formidable task due to the complexity of the Hilbert space…
Distribution of Fidelity in Quantum State Transfer Protocols
Salvatore Lorenzo, Francesco Plastina, Tony J. G. Apollaro +2
Quantum state transfer protocols are a major toolkit in many quantum information processing tasks, from quantum key distribution to quantum computation. To assess performance of a…
Variational Quantum Algorithms for Gibbs State Preparation
Mirko Consiglio
Preparing the Gibbs state of an interacting quantum many-body system on noisy intermediate-scale quantum (NISQ) devices is a crucial task for exploring the thermodynamic properties…
Variational Gibbs State Preparation on NISQ devices
Mirko Consiglio, Jacopo Settino, Andrea Giordano +6
The preparation of an equilibrium thermal state of a quantum many-body system on noisy intermediate-scale quantum (NISQ) devices is an important task in order to extend the range o…
Entangled States are Harder to Transfer than Product States
Tony J. G. Apollaro, Salvatore Lorenzo, Francesco Plastina +2
The distribution of entangled states is a key task of utmost importance for many quantum information processing protocols. A commonly adopted setup for distributing quantum states…
A Variational Approach to the Quantum Separability Problem
Mirko Consiglio, Tony John George Apollaro, Marcin Wieśniak
We present the variational separability verifier (VSV), which is a novel variational quantum algorithm (VQA) that determines the closest separable state (CSS) of an arbitrary quant…
Quantum transfer of interacting qubits
Tony J. G. Apollaro, Salvatore Lorenzo, Francesco Plastina +2
The transfer of quantum information between different locations is key to many quantum information processing tasks. Whereas, the transfer of a single qubit state has been extensiv…
Quantum map approach to entanglement transfer and generation in spin chains
S. Lorenzo, F. Plastina, M. Consiglio +1
Quantum information processing protocols are efficiently implemented on spin- networks. A quantum communication protocol generally involves a certain number of parties…
Variational Quantum Eigensolver for SU() Fermions
Mirko Consiglio, Wayne J. Chetcuti, Carlos Bravo-Prieto +5
Variational quantum algorithms aim at harnessing the power of noisy intermediate-scale quantum computers, by using a classical optimizer to train a parameterized quantum circuit to…
The Role of Localizable Concurrence in Quantum Teleportation Protocols
Mirko Consiglio, Louis Zammit Mangion, Tony John George Apollaro
Teleporting an unknown qubit state is a paradigmatic quantum information processing task revealing the advantage of quantum communication protocols over their classical counterpart…