activity
20152026
most citedVariational Quantum Algorithms

3.3k citations · 5.6k across the 24 of their papers we have counts for

collaborators

25 papers

quant-ph2026

Classification of quantum states through conserved operators

Federico Petrovich, R. Rossignoli, M. Cerezo

Determining whether quantum states can be interconverted by a prescribed set of transformations is a fundamental problem in quantum information. Here we develop a general classific…

quant-ph2022★ 10 cited

Resource frugal optimizer for quantum machine learning

Charles Moussa, Max Hunter Gordon, Michal Baczyk +3

Quantum-enhanced data science, also known as quantum machine learning (QML), is of growing interest as an application of near-term quantum computers. Variational QML algorithms hav…

quant-ph2022★ 72 cited

On the practical usefulness of the Hardware Efficient Ansatz

Lorenzo Leone, Salvatore F. E. Oliviero, Lukasz Cincio +1

Variational Quantum Algorithms (VQAs) and Quantum Machine Learning (QML) models train a parametrized quantum circuit to solve a given learning task. The success of these algorithms…

quant-ph2022★ 8 cited

Quantum Algorithms for Geologic Fracture Networks

Jessie M. Henderson, Marianna Podzorova, M. Cerezo +4

Solving large systems of equations is a challenge for modeling natural phenomena, such as simulating subsurface flow. To avoid systems that are intractable on current computers, it…

quant-ph2022★ 9 cited

A Hierarchy of Multipartite Correlations Based on Concentratable Entanglement

Louis Schatzki, Guangkuo Liu, M. Cerezo +1

Multipartite entanglement is one of the hallmarks of quantum mechanics and is central to quantum information processing. In this work we show that Concentratable Entanglement (CE),…

quant-ph2022★ 7 cited

Exponential concentration in quantum kernel methods

Supanut Thanasilp, Samson Wang, M. Cerezo +1

Kernel methods in Quantum Machine Learning (QML) have recently gained significant attention as a potential candidate for achieving a quantum advantage in data analysis. Among other…

quant-ph2021★ 228 cited

Diagnosing Barren Plateaus with Tools from Quantum Optimal Control

Martin Larocca, Piotr Czarnik, Kunal Sharma +3

Variational Quantum Algorithms (VQAs) have received considerable attention due to their potential for achieving near-term quantum advantage. However, more work is needed to underst…

quant-ph2021★ 71 cited

Computable and operationally meaningful multipartite entanglement measures

Jacob L. Beckey, N. Gigena, Patrick J. Coles +1

Multipartite entanglement is an essential resource for quantum communication, quantum computing, quantum sensing, and quantum networks. The utility of a quantum state, ,…

quant-ph2021★ 28 cited

Sub-Quantum Fisher Information

M. Cerezo, Akira Sone, Jacob L. Beckey +1

The Quantum Fisher Information (QFI) plays a crucial role in quantum information theory and in many practical applications such as quantum metrology. However, computing the QFI is…

quant-ph2020★ 3.3k cited

Variational Quantum Algorithms

M. Cerezo, Andrew Arrasmith, Ryan Babbush +8

Applications such as simulating complicated quantum systems or solving large-scale linear algebra problems are very challenging for classical computers due to the extremely high co…

quant-ph2020★ 85 cited

Variational Quantum Algorithm for Estimating the Quantum Fisher Information

Jacob L. Beckey, M. Cerezo, Akira Sone +1

The Quantum Fisher information (QFI) quantifies the ultimate precision of estimating a parameter from a quantum state, and can be regarded as a reliability measure of a quantum sys…

quant-ph2020★ 18 cited

Generalized Measure of Quantum Fisher Information

Akira Sone, M. Cerezo, Jacob L. Beckey +1

In this work, we present a lower bound on the quantum Fisher information (QFI) which is efficiently computable on near-term quantum devices. This bound itself is of interest, as we…

quant-ph2020★ 53 cited

Variational Hamiltonian Diagonalization for Dynamical Quantum Simulation

Benjamin Commeau, M. Cerezo, Zoë Holmes +3

Dynamical quantum simulation may be one of the first applications to see quantum advantage. However, the circuit depth of standard Trotterization methods can rapidly exceed the coh…

quant-ph2020★ 132 cited

Higher Order Derivatives of Quantum Neural Networks with Barren Plateaus

M. Cerezo, Patrick J. Coles

Quantum neural networks (QNNs) offer a powerful paradigm for programming near-term quantum computers and have the potential to speedup applications ranging from data science to che…

quant-ph2020★ 148 cited

Variational Quantum State Eigensolver

M. Cerezo, Kunal Sharma, Andrew Arrasmith +1

Extracting eigenvalues and eigenvectors of exponentially large matrices will be an important application of near-term quantum computers. The Variational Quantum Eigensolver (VQE) t…

quant-ph2020★ 1.1k cited

Cost Function Dependent Barren Plateaus in Shallow Parametrized Quantum Circuits

M. Cerezo, Akira Sone, Tyler Volkoff +2

Variational quantum algorithms (VQAs) optimize the parameters of a parametrized quantum circuit to minimize a cost function . While VQAs may enable practical…

quant-ph2019★ 26 cited

Fermionic entanglement in the Lipkin model

M. Di Tullio, R. Rossignoli, M. Cerezo +1

We examine the fermionic entanglement in the ground state of the fermionic Lipkin model and its relation with bipartite entanglement. It is first shown that the one-body entangleme…

quant-ph2019★ 190 cited

Noise Resilience of Variational Quantum Compiling

Kunal Sharma, Sumeet Khatri, M. Cerezo +1

Variational hybrid quantum-classical algorithms (VHQCAs) are near-term algorithms that leverage classical optimization to minimize a cost function, which is efficiently evaluated o…

quant-ph2019★ 52 cited

Strong bound between trace distance and Hilbert-Schmidt distance for low-rank states

Patrick J. Coles, M. Cerezo, Lukasz Cincio

The trace distance between two quantum states, and , is an operationally meaningful quantity in quantum information theory. However, in general it is difficult to compute, i…

cond-mat.str-el2018★ 3 cited

Inducing critical phenomena in spin chains through sparse alternating fields

M. Cerezo, R. Rossignoli, N. Canosa +1

We analyze the phase diagram of the exact ground state (GS) of spin- chains with ferromagnetic couplings under -alternating field configurations, i.e, sparse alternatin…

quant-ph2017

Quantum Discord and entropic measures of quantum correlations: Optimization and behavior in finite spin chains

N. Canosa, M. Cerezo, N. Gigena +1

We discuss a generalization of the conditional entropy and one-way information deficit in quantum systems, based on general entropic forms. The formalism allows to consider simple…

quant-ph2017★ 21 cited

Factorization and criticality in finite XXZ systems of arbitrary spin

M. Cerezo, R. Rossignoli, N. Canosa +1

We analyze ground state (GS) factorization in general arrays of spins with couplings immersed in nonuniform fields. It is shown that an exceptionally degenerate set of…

quant-ph2016★ 12 cited

Factorization in XYZ spin systems under general fields and separable ground state engineering

M. Cerezo, R. Rossignoli, N. Canosa

We discuss ground state factorization schemes in spin arrays with general couplings under general magnetic fields, not necessarily uniform or transverse. It is first show…

quant-ph2015★ 31 cited

System-time entanglement in a discrete time model

A. Boette, R. Rossignoli, N. Gigena +1

We present a model of discrete quantum evolution based on quantum correlations between the evolving system and a reference quantum clock system. A quantum circuit for the model is…