Computers are machines. Algorithms are ideas.
We deeply value scientific rigor and our team is made of scientists specialized in Quantum Information Theory, Quantum Physics, Quantum Chemistry, and Quantum Computing. Due to our strong scientific background and commitment to quality in both theory and practical applications, we strongly believe in verifying our findings through publishing them in peer-reviewed journals of the highest caliber. Here is a selection of our most recent publications, and feel free to contact us if you want to start a conversation around any of our findings.
Dynamical simulations of many-body quantum chaos on a quantum computer | Nov 2024
Laurin E. Fischer, Matea Leahy, Andrew Eddins, Nathan Keenan, Davide Ferracin, Matteo A. C. Rossi, Youngseok Kim, Andre He, Francesca Pietracaprina, Boris Sokolov, Shane Dooley, Zoltán Zimborás, Francesco Tacchino, Sabrina Maniscalco, John Goold, Guillermo García-Pérez, Ivano Tavernelli, Abhinav Kandala, Sergey N. Filippov
ReadSmall tensor product distributed active space (STP-DAS) framework for relativistic and non-relativistic multiconfiguration calculations: Scaling from 10^9 on a laptop to 10^12 determinants on a supercomputer | Oct 2024
Hang Hu, Shiv Upadhyay, Lixin Lu, Andrew J. Jenkins, Tianyuan Zhang, Agam Shayit, Stefan Knecht, Xiaosong Li
ReadThe advent of fully variational quantum eigensolvers using a hybrid multiresolution approach | Oct 2024
Fabian Langkabel, Stefan Knecht, Jakob S. Kottmann
ReadPractical techniques for high precision measurements on near-term quantum hardware: a Case Study in Molecular Energy Estimation | Sep 2024
Keijo Korhonen, Hetta Vappula, Adam Glos, Marco Cattaneo, Zoltán Zimborás, Elsi-Mari Borrelli, Matteo A. C. Rossi, Guillermo García-Pérez, Daniel Cavalcanti
ReadLow-variance observable estimation with informationally-complete measurements and tensor networks | Jul 2024
Stefano Mangini, Daniel Cavalcanti
ReadEstimating molecular thermal averages with the quantum equation of motion and informationally complete measurements | Jun 2024
Daniele Morrone, N. Walter Talarico, Marco Cattaneo, Matteo A. C. Rossi
ReadEnhanced observable estimation through classical optimization of informationally over-complete measurement data -- beyond classical shadows | Jun 2024
Joonas Malmi, Keijo Korhonen, Daniel Cavalcanti, and Guillermo García-Pérez
ReadEfficient and operational quantifier of divisibility in terms of channel discrimination | May 2024
Ranieri Nery, Nadja K. Bernardes, Daniel Cavalcanti, Rafael Chaves, Cristhiano Duarte
ReadQuantum-centric strong and dynamical electron correlation: A resource-efficient second-order N-electron valence perturbation theory formulation for near-term quantum devices | May 2024
Aaron Fitzpatrick, N.Walter Talarico, Roberto Di Remigio Eikås, Stefan Knecht
ReadProblem-informed Graphical Quantum Generative Learning | May 2024
Bence Bakó, Dániel T. R. Nagy, Péter Hága, Zsófia Kallus, Zoltán Zimborás
ReadGeneralized group designs: overcoming the 4-design-barrier and constructing novel unitary 2-designs in arbitrary dimensions | May 2024
Ágoston Kaposi, Zoltán Kolarovszki, Adrián Solymos, Zoltán Zimborás
ReadΔ ADAPT-VQE: Toward Accurate Calculation of Excitation Energies on Quantum Computers for BODIPY Molecules With Application in Photodynamic Therapy | Apr 2024
Anton Nykänen, Leander Thiessen, Elsi-Mari Borrelli, Vijay Krishna, Stefan Knecht, Fabijan Pavošević
ReadScalability of quantum error mitigation techniques: from utility to advantage | Mar 2024
Sergey N. Filippov, Sabrina Maniscalco, Guillermo García-Pérez
ReadTreespilation: Architecture- and State-Optimised Fermion-to-Qubit Mappings | Mar 2024
Aaron Miller, Adam Glos, Zoltán Zimborás
ReadPiquasso: A Photonic Quantum Computer Simulation Software Platform | Mar 2024
Zoltán Kolarovszki, Tomasz Rybotycki, Péter Rakyta, Ágoston Kaposi, Boldizsár Poór, Szabolcs Jóczik, Dániel T. R. Nagy, Henrik Varga, Kareem H. El-Safty, Gregory Morse, Michał Oszmaniec, Tamás Kozsik, Zoltán Zimborás
ReadTransfer and routing of Gaussian states through quantum complex networks with and without community structure | Mar 2024
Markku Hahto, Johannes Nokkala, Guillermo García-Pérez, Sabrina Maniscalco, Jyrki Piilo
ReadTensor network noise characterization for near-term quantum computers | Feb 2024
Stefano Mangini, Marco Cattaneo, Daniel Cavalcanti, Sergei Filippov, Matteo A. C. Rossi, Guillermo García-Pérez
ReadLine Search Strategy for Navigating through Barren Plateaus in Quantum Circuit Training | Feb 2024
Jakab Nádori, Gregory Morse, Zita Majnay-Takács, Zoltán Zimborás, Péter Rakyta
ReadHamiltonian-oriented homotopy quantum approximate optimization algorithm | Feb 2024
Akash Kundu, Ludmila Botelho, and Adam Glos
ReadCalculating the many-body density of states on a digital quantum computer | Jan 2024
Alessandro Summer, Cecilia Chiaracane, Mark T. Mitchison, and John Goold
ReadTowards Efficient Quantum Computing for Quantum Chemistry: Reducing Circuit Complexity with Transcorrelated and Adaptive Ansatz Techniques | Feb 2024
Erika Magnusson, Aaron Fitzpatrick, Stefan Knecht, Martin Rahm, Werner Dobrautz
ReadHigh performance Boson Sampling simulation via data-flow engines | Sep 2023
Gregory Morse, Tomasz Rybotycki, Ágoston Kaposi, Zoltán Kolarovszki, Uroš Stojčić, Tamás Kozsik, Oskar Mencer, Michał Oszmaniec, Zoltán Zimborás, Péter Rakyta
ReadThe variational quantum eigensolver self-consistent field method within a polarizable embedded framework | Dec 2023
Erik Rosendahl Kjellgren, Peter Reinholdt, Aaron Fitzpatrick, Walter N. Talarico, Phillip W. K. Jensen, Stephan P. A. Sauer, Sonia Coriani, Stefan Knecht, Jacob Kongsted
ReadHigh performance Boson Sampling simulation via data-flow engines | Sep 2023
Gregory Morse, Tomasz Rybotycki, Ágoston Kaposi, Zoltán Kolarovszki, Uroš Stojčić, Tamás Kozsik, Oskar Mencer, Michał Oszmaniec, Zoltán Zimborás, Péter Rakyta
ReadEfficient qudit based scheme for photonic quantum computing | Feb 2023
Márton Karácsony, László Oroszlány, Zoltán Zimborás
ReadQuantum Many-Body Scars in Dual-Unitary Circuits | Jan 2024
Leonard Logarić, Shane Dooley, Silvia Pappalardi, and John Goold
ReadClassification and transformations of quantum circuit decompositions for permutation operations | Dec 2023
Ankit Khandelwal, Handy Kurniawan, Shraddha Aangiras, Özlem Salehi, Adam Glos
ReadDisease Gene Prioritization With Quantum Walks | Nov 2023
Harto Saarinen, Mark Goldsmith, Rui-Sheng Wang, Joseph Loscalzo, Sabrina Maniscalco
ReadDisease Gene Prioritization With Quantum Walks | Nov 9
Harto Saarinen, Mark Goldsmith, Rui-Sheng Wang, Joseph Loscalzo, Sabrina Maniscalco
ReadToward Accurate Post-Born-Oppenheimer Molecular Simulations on Quantum Computers: An Adaptive Variational Eigensolver with Nuclear-Electronic Frozen Natural Orbitals | Oct 2023
Anton Nykänen, Aaron Miller, Walter Talarico, Stefan Knecht, Arseny Kovyrshin, Mårten Skogh, Lars Tornberg, Anders Broo, Stefano Mensa, Benjamin C. B. Symons, Emre Sahin, Jason Crain, Ivano Tavernelli, Fabijan Pavošević
ReadSimulating polaritonic ground states on noisy quantum devices | Oct 2023
Mohammad Hassan, Fabijan Pavošević, Derek S. Wang, Johannes Flick
ReadVariational quantum eigensolver boosted by adiabatic connection | Oct 2023
Mikuláš Matoušek, Katarzyna Pernal, Fabijan Pavošević, Libor Veis
ReadUnitary Coupled-Cluster for Quantum Computation of Molecular Properties in a Strong Magnetic Field | Sep 2023
Tanner Culpitt, Erik I. Tellgren, Fabijan Pavosevic
ReadLong-Time Relaxation of a Finite Spin Bath Linearly Coupled to a Qubit | May 2023
Jukka P. Pekola, Bayan Karimi, Marco Cattaneo, Sabrina Maniscalco
ReadSelf-consistent quantum measurement tomography based on semidefinite programming | Sep 2023
Marco Cattaneo, Matteo A. C. Rossi, Keijo Korhonen, Elsi-Mari Borrelli, Guillermo García-Pérez, Zoltán Zimborás, Daniel Cavalcanti
ReadExperimentally accessible nonseparability criteria for multipartite-entanglement-structure detection | Mar 2023
Guillermo García-Pérez, Oskari Kerppo, Matteo A. C. Rossi, and Sabrina Maniscalco
ReadQuantum transport efficiency in noisy random-removal and small-world networks | Mar 2023
Arzu Kurt, Matteo A C Rossi, Jyrki Piilo
ReadCombining the in-medium similarity renormalization group with the density matrix renormalization group: Shell structure and information entropy | Jul 2022
A. Tichai, S. Knecht, A.T. Kruppa, Ö. Legeza, C.P. Moca, A. Schwenk, M.A. Werner, G. Zarand
ReadSpin-Flip Unitary Coupled Cluster Method: Toward Accurate Description of Strong Electron Correlation on Quantum Computers | Aug 2023
Fabijan Pavošević, Ivano Tavernelli, Angel Rubio
ReadBonsai Algorithm: Grow Your Own Fermion-to-Qubit Mappings | Aug 2023
Aaron Miller, Zoltán Zimborás, Stefan Knecht, Sabrina Maniscalco, Guillermo García-Pérez
ReadScalable tensor-network error mitigation for near-term quantum computing | Jul 2023
Sergei Filippov, Matea Leahy, Matteo A. C. Rossi, Guillermo García-Pérez
ReadVariational Gibbs State Preparation on NISQ devices | Mar 2023
Mirko Consiglio, Jacopo Settino, Andrea Giordano, Carlo Mastroianni, Francesco Plastina, Salvatore Lorenzo, Sabrina Maniscalco, John Goold, Tony J. G. Apollaro
ReadEvidence of Kardar-Parisi-Zhang scaling on a digital quantum simulator | Jul 2023
Nathan Keenan, Niall F. Robertson, Tara Murphy, Sergiy Zhuk, John Goold
ReadTowards quantum-enabled cell-centric therapeutics | Jul 2023
Saugata Basu, Jannis Born, Aritra Bose, Sara Capponi, Dimitra Chalkia, Timothy A Chan, Hakan Doga, Frederik F. Flother, Gad Getz, Mark Goldsmith, Tanvi Gujarati, Aldo Guzman-Saenz, Dimitrios Iliopoulos, Gavin O. Jones, Stefan Knecht, Dhiraj Madan, Sabrina Maniscalco, Nicola Mariella, Joseph A. Morrone, Khadijeh Najafi, Pushpak Pati, Daniel Platt, Maria Anna Rapsomaniki, Anupama Ray, Kahn Rhrissorrakrai, Omar Shehab, Ivano Tavernelli, Meltem Tolunay, Filippo Utro, Stefan Woerner, Sergiy Zhuk, Jeannette M. Garcia, Laxmi Parida
ReadLink Prediction with Continuous-Time Classical and Quantum Walks | Apr 2023
Mark Goldsmith, Guillermo García-Pérez, Joonas Malmi, Matteo A. C. Rossi, Harto Saarinen, Sabrina Maniscalco
ReadQuantum Simulation of Dissipative Collective Effects on Noisy Quantum Computers | Mar 2023
Marco Cattaneo, Matteo A.C. Rossi, Guillermo García-Pérez, Roberta Zambrini, and Sabrina Maniscalco
ReadCorrelated Dirac–Coulomb–Breit multiconfigurational self-consistent-field methods | Jan 2023
Chad E. Hoyer Lixin Lu Hang Hu, Kirill D. Shumilov, Shichao Sun, Stefan Knecht, Xiaosong Li
ReadLocal quantum overlapping tomography | Dec 2022
Bruna G. M. Araújo, Márcio M. Taddei, Daniel Cavalcanti, Antonio Acín
ReadA self-consistent field approach for the variational quantum eigensolver: orbital optimization goes adaptive | Mar 2024
Aaron Fitzpatrick, Anton Nykänen, N. Walter Talarico, Alessandro Lunghi, Sabrina Maniscalco, Guillermo García-Pérez, Stefan Knecht
ReadMatrix product channel: Variationally optimized quantum tensor network to mitigate noise and reduce errors for the variational quantum eigensolver | Dec 2022
Sergey Filippov, Boris Sokolov, Matteo A. C. Rossi, Joonas Malmi, Elsi-Mari Borrelli, Daniel Cavalcanti, Sabrina Maniscalco, Guillermo García-Pérez
ReadMitigating the measurement overhead of ADAPT-VQE with optimised informationally complete generalised measurements | Dec 2022
Anton Nykänen, Matteo A. C. Rossi, Elsi-Mari Borrelli, Sabrina Maniscalco, Guillermo García-Pérez
ReadSpatial search by continuous-time quantum walks on renormalized Internet networks | Dec 2022
Joonas Malmi, Matteo A. C. Rossi, Guillermo García-Pérez, Sabrina Maniscalco
ReadQuantum correlations in molecules: from quantum resourcing to chemical bonding | Dec 2022
Lexin Ding, Stefan Knecht, Zoltán Zimborás, Christian Schilling
ReadSteering-based randomness certification with squeezed states and homodyne measurements | Oct 2022
Marie Ioannou, Bradley Longstaff, Mikkel V. Larsen, Jonas S. Neergaard-Nielsen, Ulrik L. Andersen, Daniel Cavalcanti, Nicolas Brunner, and Jonatan Bohr Brask
ReadProg-QAOA: Framework for resource-efficient quantum optimization through classical programs | Sep 2022
Bence Bakó, Adam Glos, Özlem Salehi, Zoltán Zimborás
ReadAdaptive POVM implementations and measurement error mitigation strategies for near-term quantum devices | Aug 2022
Adam Glos, Anton Nykänen, Elsi-Mari Borrelli, Sabrina Maniscalco, Matteo A. C. Rossi, Zoltán Zimborás, Guillermo García-Pérez
ReadRelativistic Kramers-Unrestricted Exact-Two-Component Density Matrix Renormalization Group | Jul 2022
Chad E. Hoyer, Hang Hu, Lixin Lu, Stefan Knecht, Xiaosong Li
ReadQuantifying Electron Entanglement Faithfully | Jul 2022
Lexin Ding, Zoltan Zimboras, Christian Schilling
ReadVirtual linear map algorithm for classical boost in near-term quantum computing | Jul 2022
Guillermo García-Pérez, Elsi-Mari Borrelli, Matea Leahy, Joonas Malmi, Sabrina Maniscalco, Matteo A. C. Rossi, Boris Sokolov, Daniel Cavalcanti
ReadQuantum network medicine: rethinking medicine with network science and quantum algorithms | Jul 2022
Sabrina Maniscalco, Elsi-Mari Borrelli, Daniel Cavalcanti, Caterina Foti, Adam Glos, Mark Goldsmith, Stefan Knecht, Keijo Korhonen, Joonas Malmi, Anton Nykänen, Matteo A. C. Rossi, Harto Saarinen, Boris Sokolov, N. Walter Talarico, Jussi Westergren, Zoltán Zimborás, Guillermo García-Pérez
ReadWitnessing objectivity on a quantum computer | Dec 2021
Diana A. Chisholm, Guillermo García-Pérez, Matteo A. C. Rossi, Sabrina Maniscalco, G. Massimo Palma
ReadLearning to Measure: Adaptive Informationally Complete Generalized Measurements for Quantum Algorithms | Nov 2021
Guillermo García-Pérez, Matteo A.C. Rossi, Boris Sokolov, Francesco Tacchino, Panagiotis Kl. Barkoutsos, Guglielmo Mazzola, Ivano Tavernelli, Sabrina Maniscalco
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