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.

1.

Practical 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

2.

Low-variance observable estimation with informationally-complete measurements and tensor networks | Jul 2024

Stefano Mangini, Daniel Cavalcanti

3.

Estimating 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

4.

Enhanced 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

5.

Efficient and operational quantifier of divisibility in terms of channel discrimination | May 2024

Ranieri Nery, Nadja K. Bernardes, Daniel Cavalcanti, Rafael Chaves, Cristhiano Duarte

6.

Quantum-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

7.

Problem-informed Graphical Quantum Generative Learning | May 2024

Bence Bakó, Dániel T. R. Nagy, Péter Hága, Zsófia Kallus, Zoltán Zimborás

8.

Generalized 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

9.

Δ 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

10.

Scalability of quantum error mitigation techniques: from utility to advantage | Mar 2024

Sergey N. Filippov, Sabrina Maniscalco, Guillermo García-Pérez

11.

Treespilation: Architecture- and State-Optimised Fermion-to-Qubit Mappings | Mar 2024

Aaron Miller, Adam Glos, Zoltán Zimborás

12.

Piquasso: 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

13.

Transfer 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

14.

Tensor 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

15.

Line Search Strategy for Navigating through Barren Plateaus in Quantum Circuit Training

Jakab Nádori, Gregory Morse, Zita Majnay-Takács, Zoltán Zimborás, Péter Rakyta

16.

Hamiltonian-oriented homotopy quantum approximate optimization algorithm

Akash Kundu, Ludmila Botelho, and Adam Glos

17.

Calculating the many-body density of states on a digital quantum computer

Alessandro Summer, Cecilia Chiaracane, Mark T. Mitchison, and John Goold

18.

Towards Efficient Quantum Computing for Quantum Chemistry: Reducing Circuit Complexity with Transcorrelated and Adaptive Ansatz Techniques

Erika Magnusson, Aaron Fitzpatrick, Stefan Knecht, Martin Rahm, Werner Dobrautz

19.

High performance Boson Sampling simulation via data-flow engines

Gregory Morse, Tomasz Rybotycki, Ágoston Kaposi, Zoltán Kolarovszki, Uroš Stojčić, Tamás Kozsik, Oskar Mencer, Michał Oszmaniec, Zoltán Zimborás, Péter Rakyta

20.

The variational quantum eigensolver self-consistent field method within a polarizable embedded framework

Erik Rosendahl Kjellgren, Peter Reinholdt, Aaron Fitzpatrick, Walter N. Talarico, Phillip W. K. Jensen, Stephan P. A. Sauer, Sonia Coriani, Stefan Knecht, Jacob Kongsted

21.

High performance Boson Sampling simulation via data-flow engines

Gregory Morse, Tomasz Rybotycki, Ágoston Kaposi, Zoltán Kolarovszki, Uroš Stojčić, Tamás Kozsik, Oskar Mencer, Michał Oszmaniec, Zoltán Zimborás, Péter Rakyta

22.

Efficient qudit based scheme for photonic quantum computing

Márton Karácsony, László Oroszlány, Zoltán Zimborás

23.

Quantum Many-Body Scars in Dual-Unitary Circuits

Leonard Logarić, Shane Dooley, Silvia Pappalardi, and John Goold

24.

Classification and transformations of quantum circuit decompositions for permutation operations

Ankit Khandelwal, Handy Kurniawan, Shraddha Aangiras, Özlem Salehi, Adam Glos

25.

Disease Gene Prioritization With Quantum Walks

Harto Saarinen, Mark Goldsmith, Rui-Sheng Wang, Joseph Loscalzo, Sabrina Maniscalco

26.

Disease Gene Prioritization With Quantum Walks

Harto Saarinen, Mark Goldsmith, Rui-Sheng Wang, Joseph Loscalzo, Sabrina Maniscalco

27.

Toward Accurate Post-Born-Oppenheimer Molecular Simulations on Quantum Computers: An Adaptive Variational Eigensolver with Nuclear-Electronic Frozen Natural Orbitals

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

28.

Simulating polaritonic ground states on noisy quantum devices

Mohammad Hassan, Fabijan Pavošević, Derek S. Wang, Johannes Flick

29.

Variational quantum eigensolver boosted by adiabatic connection

Mikuláš Matoušek, Katarzyna Pernal, Fabijan Pavošević, Libor Veis

30.

Unitary Coupled-Cluster for Quantum Computation of Molecular Properties in a Strong Magnetic Field

Tanner Culpitt, Erik I. Tellgren, Fabijan Pavosevic

31.

Long-Time Relaxation of a Finite Spin Bath Linearly Coupled to a Qubit

Jukka P. Pekola, Bayan Karimi, Marco Cattaneo, Sabrina Maniscalco

32.

Self-consistent quantum measurement tomography based on semidefinite programming

Marco Cattaneo, Matteo A. C. Rossi, Keijo Korhonen, Elsi-Mari Borrelli, Guillermo García-Pérez, Zoltán Zimborás, Daniel Cavalcanti

33.

Experimentally accessible nonseparability criteria for multipartite-entanglement-structure detection

Guillermo García-Pérez, Oskari Kerppo, Matteo A. C. Rossi, and Sabrina Maniscalco

34.

Quantum transport efficiency in noisy random-removal and small-world networks

Arzu Kurt, Matteo A C Rossi, Jyrki Piilo

35.

Combining the in-medium similarity renormalization group with the density matrix renormalization group: Shell structure and information entropy

A. Tichai, S. Knecht, A.T. Kruppa, Ö. Legeza, C.P. Moca, A. Schwenk, M.A. Werner, G. Zarand

36.

Spin-Flip Unitary Coupled Cluster Method: Toward Accurate Description of Strong Electron Correlation on Quantum Computers

Fabijan Pavošević, Ivano Tavernelli, Angel Rubio

37.

Bonsai Algorithm: Grow Your Own Fermion-to-Qubit Mappings

Aaron Miller, Zoltán Zimborás, Stefan Knecht, Sabrina Maniscalco, Guillermo García-Pérez

38.

Scalable tensor-network error mitigation for near-term quantum computing

Sergei Filippov, Matea Leahy, Matteo A. C. Rossi, Guillermo García-Pérez

39.

Variational Gibbs State Preparation on NISQ devices

Mirko Consiglio, Jacopo Settino, Andrea Giordano, Carlo Mastroianni, Francesco Plastina, Salvatore Lorenzo, Sabrina Maniscalco, John Goold, Tony J. G. Apollaro

40.

Evidence of Kardar-Parisi-Zhang scaling on a digital quantum simulator

Nathan Keenan, Niall F. Robertson, Tara Murphy, Sergiy Zhuk, John Goold

41.

Towards quantum-enabled cell-centric therapeutics

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

42.

Link Prediction with Continuous-Time Classical and Quantum Walks

Mark Goldsmith, Guillermo García-Pérez, Joonas Malmi, Matteo A. C. Rossi, Harto Saarinen, Sabrina Maniscalco

43.

Quantum Simulation of Dissipative Collective Effects on Noisy Quantum Computers

Marco Cattaneo, Matteo A.C. Rossi, Guillermo García-Pérez, Roberta Zambrini, and Sabrina Maniscalco

44.

Correlated Dirac–Coulomb–Breit multiconfigurational self-consistent-field methods

Chad E. Hoyer Lixin Lu Hang Hu, Kirill D. Shumilov, Shichao Sun, Stefan Knecht, Xiaosong Li

45.

Local quantum overlapping tomography

Bruna G. M. Araújo, Márcio M. Taddei, Daniel Cavalcanti, Antonio Acín

46.

A self-consistent field approach for the variational quantum eigensolver: orbital optimization goes adaptive

Aaron Fitzpatrick, Anton Nykänen, N. Walter Talarico, Alessandro Lunghi, Sabrina Maniscalco, Guillermo García-Pérez, Stefan Knecht

47.

Matrix product channel: Variationally optimized quantum tensor network to mitigate noise and reduce errors for the variational quantum eigensolver

Sergey Filippov, Boris Sokolov, Matteo A. C. Rossi, Joonas Malmi, Elsi-Mari Borrelli, Daniel Cavalcanti, Sabrina Maniscalco, Guillermo García-Pérez

48.

Mitigating the measurement overhead of ADAPT-VQE with optimised informationally complete generalised measurements

Anton Nykänen, Matteo A. C. Rossi, Elsi-Mari Borrelli, Sabrina Maniscalco, Guillermo García-Pérez

49.

Spatial search by continuous-time quantum walks on renormalized Internet networks

Joonas Malmi, Matteo A. C. Rossi, Guillermo García-Pérez, Sabrina Maniscalco

50.

Quantum correlations in molecules: from quantum resourcing to chemical bonding

Lexin Ding, Stefan Knecht, Zoltán Zimborás, Christian Schilling

51.

Steering-based randomness certification with squeezed states and homodyne measurements

Marie Ioannou, Bradley Longstaff, Mikkel V. Larsen, Jonas S. Neergaard-Nielsen, Ulrik L. Andersen, Daniel Cavalcanti, Nicolas Brunner, and Jonatan Bohr Brask

52.

Prog-QAOA: Framework for resource-efficient quantum optimization through classical programs

Bence Bakó, Adam Glos, Özlem Salehi, Zoltán Zimborás

53.

Adaptive POVM implementations and measurement error mitigation strategies for near-term quantum devices

Adam Glos, Anton Nykänen, Elsi-Mari Borrelli, Sabrina Maniscalco, Matteo A. C. Rossi, Zoltán Zimborás, Guillermo García-Pérez

54.

Relativistic Kramers-Unrestricted Exact-Two-Component Density Matrix Renormalization Group

Chad E. Hoyer, Hang Hu, Lixin Lu, Stefan Knecht, Xiaosong Li

55.

Quantifying Electron Entanglement Faithfully

Lexin Ding, Zoltan Zimboras, Christian Schilling

56.

Virtual linear map algorithm for classical boost in near-term quantum computing

Guillermo García-Pérez, Elsi-Mari Borrelli, Matea Leahy, Joonas Malmi, Sabrina Maniscalco, Matteo A. C. Rossi, Boris Sokolov, Daniel Cavalcanti

57.

Quantum network medicine: rethinking medicine with network science and quantum algorithms

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

58.

Witnessing objectivity on a quantum computer

Diana A. Chisholm, Guillermo García-Pérez, Matteo A. C. Rossi, Sabrina Maniscalco, G. Massimo Palma

59.

Learning to Measure: Adaptive Informationally Complete Generalized Measurements for Quantum Algorithms

Guillermo García-Pérez, Matteo A.C. Rossi, Boris Sokolov, Francesco Tacchino, Panagiotis Kl. Barkoutsos, Guglielmo Mazzola, Ivano Tavernelli, Sabrina Maniscalco