Delineating the boundary between the computational power of quantum and classical devices

Informazioni relative al progetto

DebuQC

ID dell’accordo di sovvenzione: 101098279

DOI

10.3030/101098279

Data della firma CE 19 Luglio 2023

Data di avvio 1 Gennaio 2024

Data di completamento 31 Dicembre 2028

Finanziato da

• European Research Council (ERC)

Costo totale

€ 1 807 721,00

Contributo UE

€ 1 807 721,00

Coordinato da

FREIE UNIVERSITAET BERLIN
Germany

CORDIS fornisce collegamenti ai risultati finali pubblici e alle pubblicazioni dei progetti ORIZZONTE.

I link ai risultati e alle pubblicazioni dei progetti del 7° PQ, così come i link ad alcuni tipi di risultati specifici come dataset e software, sono recuperati dinamicamente da .OpenAIRE .

Pubblicazioni

Peer reviewed articles (59)

Stochastic noise can be helpful for variational quantum algorithms

Autori: Junyu Liu, Frederik Wilde, Antonio Anna Mele, Xin Jin, Liang Jiang, Jens Eisert
Pubblicato in: Physical Review A, Numero 111, 2025, ISSN 2469-9926
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVA.111.052441

Pseudomagic Quantum States

Autori: Andi Gu, Lorenzo Leone, Soumik Ghosh, Jens Eisert, Susanne F. Yelin, Yihui Quek
Pubblicato in: Physical Review Letters, Numero 132, 2025, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.132.210602

Anyon Condensation and the Color Code

Autori: Markus S. Kesselring, Julio C. Magdalena de la Fuente, Felix Thomsen, Jens Eisert, Stephen D. Bartlett, Benjamin J. Brown
Pubblicato in: PRX Quantum, Numero 5, 2024, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/PRXQUANTUM.5.010342

Tomography of Parametrized Quantum States

Autori: Franz J. Schreiber, Jens Eisert, Johannes Jakob Meyer
Pubblicato in: PRX Quantum, Numero 6, 2025, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/PRXQUANTUM.6.020346

Probing coherent quantum thermodynamics using a trapped ion

Autori: O. Onishchenko, G. Guarnieri, P. Rosillo-Rodes, D. Pijn, J. Hilder, U. G. Poschinger, M. Perarnau-Llobet, J. Eisert, F. Schmidt-Kaler
Pubblicato in: Nature Communications, Numero 15, 2024, ISSN 2041-1723
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41467-024-51263-3

An introduction to infinite projected entangled-pair state methods for variational ground state simulations using automatic differentiation

Autori: Jan Naumann, Erik Lennart Weerda, Matteo Rizzi, Jens Eisert, Philipp Schmoll
Pubblicato in: SciPost Physics Lecture Notes, 2024, ISSN 2590-1990
Editore: Stichting SciPost
DOI: 10.21468/SCIPOSTPHYSLECTNOTES.86

Learning Topological States from Randomized Measurements Using Variational Tensor-Network Tomography

Autori: Yanting Teng, Rhine Samajdar, Katherine Van Kirk, Frederik Wilde, Subir Sachdev, Jens Eisert, Ryan Sweke, Khadijeh Najafi
Pubblicato in: PRX Quantum, Numero 6, 2025, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/QM7Q-W9QJ

Variational optimization of projected entangled-pair states on the triangular lattice

Autori: Jan Naumann, Jens Eisert, Philipp Schmoll
Pubblicato in: Physical Review B, Numero 113, 2026, ISSN 2469-9950
Editore: American Physical Society (APS)
DOI: 10.1103/G5GM-TZF8

Localized statistics decoding for quantum low-density parity-check codes

Autori: Timo Hillmann, Lucas Berent, Armanda O. Quintavalle, Jens Eisert, Robert Wille, Joschka Roffe
Pubblicato in: Nature Communications, Numero 16, 2025, ISSN 2041-1723
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-63214-7

Decoding quantum color codes with MaxSAT

Autori: Lucas Berent, Lukas Burgholzer, Peter-Jan H.S. Derks, Jens Eisert, Robert Wille
Pubblicato in: Quantum, Numero 8, 2024, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2024-10-23-1506

Large-scale stochastic simulation of open quantum systems

Autori: Aaron Sander, Maximilian Fröhlich, Martin Eigel, Jens Eisert, Patrick Gelß, Michael Hintermüller, Richard M. Milbradt, Robert Wille, Christian B. Mendl
Pubblicato in: Nature Communications, Numero 16, 2025, ISSN 2041-1723
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41467-025-66846-X

Complexity of geometrically local stoquastic Hamiltonians

Autori: Asad Raza, Jens Eisert, Alex B. Grilo
Pubblicato in: Quantum, Numero 10, 2026, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2026-02-11-2004

Shallow Shadows: Expectation Estimation Using Low-Depth Random Clifford Circuits

Autori: Christian Bertoni, Jonas Haferkamp, Marcel Hinsche, Marios Ioannou, Jens Eisert, Hakop Pashayan
Pubblicato in: Physical Review Letters, Numero 133, 2025, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.133.020602

Short-time simulation of quantum dynamics by Pauli measurements

Autori: Paul K. Faehrmann, Jens Eisert, Mária Kieferová, Richard Kueng
Pubblicato in: Physical Review A, Numero 112, 2025, ISSN 2469-9926
Editore: American Physical Society (APS)
DOI: 10.1103/6GGS-Y392

Complexity-Constrained Quantum Thermodynamics

Autori: Anthony Munson, Naga Bhavya Teja Kothakonda, Jonas Haferkamp, Nicole Yunger Halpern, Jens Eisert, Philippe Faist
Pubblicato in: PRX Quantum, Numero 6, 2025, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/PRXQUANTUM.6.010346

Artificially intelligent Maxwell’s demon for optimal control of open quantum systems

Autori: Paolo A Erdman, Robert Czupryniak, Bibek Bhandari, Andrew N Jordan, Frank Noé, Jens Eisert, Giacomo Guarnieri
Pubblicato in: Quantum Science and Technology, Numero 10, 2025, ISSN 2058-9565
Editore: IOP Publishing
DOI: 10.1088/2058-9565/ADBCCF

Chasing shadows with Gottesman-Kitaev-Preskill codes

Autori: Jonathan Conrad, Jens Eisert, Steven T. Flammia
Pubblicato in: Quantum, Numero 10, 2026, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2026-01-19-1973

Learning quantum states of continuous-variable systems

Autori: Francesco A. Mele, Antonio A. Mele, Lennart Bittel, Jens Eisert, Vittorio Giovannetti, Ludovico Lami, Lorenzo Leone, Salvatore F. E. Oliviero
Pubblicato in: Nature Physics, Numero 21, 2025, ISSN 1745-2473
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41567-025-03086-2

Analog Information Decoding of Bosonic Quantum Low-Density Parity-Check Codes

Autori: Lucas Berent, Timo Hillmann, Jens Eisert, Robert Wille, Joschka Roffe
Pubblicato in: PRX Quantum, Numero 5, 2024, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/PRXQUANTUM.5.020349

Unravelling quantum dynamics using flow equations

Autori: S. J. Thomson, J. Eisert
Pubblicato in: Nature Physics, Numero 20, 2024, ISSN 1745-2473
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41567-024-02549-2

A minimal tensor network beyond free fermions

Autori: Carolin Wille, Maksimilian Usoltcev, Jens Eisert, Alexander Altland
Pubblicato in: SciPost Physics, Numero 18, 2025, ISSN 2542-4653
Editore: Stichting SciPost
DOI: 10.21468/SCIPOSTPHYS.18.6.196

Efficient Distributed Inner-Product Estimation via Pauli Sampling

Autori: M. Hinsche, M. Ioannou, S. Jerbi, L. Leone, J. Eisert, J. Carrasco
Pubblicato in: PRX Quantum, Numero 6, 2025, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/G53F-Z8CR

Domain Wall Color Code

Autori: Konstantin Tiurev, Arthur Pesah, Peter-Jan H. S. Derks, Joschka Roffe, Jens Eisert, Markus S. Kesselring, Jan-Michael Reiner
Pubblicato in: Physical Review Letters, Numero 133, 2025, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.133.110601

Towards provably efficient quantum algorithms for large-scale machine-learning models

Autori: Junyu Liu, Minzhao Liu, Jin-Peng Liu, Ziyu Ye, Yunfei Wang, Yuri Alexeev, Jens Eisert, Liang Jiang
Pubblicato in: Nature Communications, Numero 15, 2024, ISSN 2041-1723
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41467-023-43957-X

Designing fault-tolerant circuits using detector error models

Autori: Peter-Jan H.S. Derks, Alex Townsend-Teague, Ansgar G. Burchards, Jens Eisert
Pubblicato in: Quantum, Numero 9, 2025, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2025-11-06-1905

PAC-learning of free-fermionic states is NP-hard

Autori: Lennart Bittel, Antonio A. Mele, Jens Eisert, Lorenzo Leone
Pubblicato in: Quantum, Numero 9, 2025, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2025-03-20-1665

Potential and limitations of random Fourier features for dequantizing quantum machine learning

Autori: Ryan Sweke, Erik Recio-Armengol, Sofiene Jerbi, Elies Gil-Fuster, Bryce Fuller, Jens Eisert, Johannes Jakob Meyer
Pubblicato in: Quantum, Numero 9, 2025, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2025-02-20-1640

Optimal Randomized Measurements for a Family of Nonlinear Quantum Properties

Autori: Zhenyu Du, Yifan Tang, Andreas Elben, Ingo Roth, Jens Eisert, Zhenhuan Liu
Pubblicato in: PRX Quantum, Numero 7, 2026, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/4RKX-XKWY

Quantum Metrology in the Finite-Sample Regime

Autori: Johannes Jakob Meyer, Sumeet Khatri, Daniel Stilck França, Jens Eisert, Philippe Faist
Pubblicato in: PRX Quantum, Numero 6, 2025, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/QBN1-P6BQ

On the expressivity of embedding quantum kernels

Autori: Elies Gil-Fuster, Jens Eisert, Vedran Dunjko
Pubblicato in: Machine Learning: Science and Technology, Numero 5, 2024, ISSN 2632-2153
Editore: IOP Publishing
DOI: 10.1088/2632-2153/AD2F51

Semi-Device-Independently Characterizing Quantum Temporal Correlations

Autori: Shin-Liang Chen, Jens Eisert
Pubblicato in: Physical Review Letters, Numero 132, 2025, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.132.220201

Topological dualities via tensor networks

Autori: C. Wille, J. Eisert, A. Altland
Pubblicato in: Physical Review Research, Numero 6, 2024, ISSN 2643-1564
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVRESEARCH.6.013302

Noise-induced shallow circuits and the absence of barren plateaus

Autori: Antonio Anna Mele, Armando Angrisani, Soumik Ghosh, Sumeet Khatri, Jens Eisert, Daniel Stilck França, Yihui Quek
Pubblicato in: Nature Physics, 2026, ISSN 1745-2473
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41567-026-03245-Z

Faithfully Simulating Near-Term Quantum Repeaters

Autori: Julius Wallnöfer, Frederik Hahn, Fabian Wiesner, Nathan Walk, Jens Eisert
Pubblicato in: PRX Quantum, Numero 5, 2024, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/PRXQUANTUM.5.010351

On the average-case complexity of learning output distributions of quantum circuits

Autori: Alexander Nietner, Marios Ioannou, Ryan Sweke, Richard Kueng, Jens Eisert, Marcel Hinsche, Jonas Haferkamp
Pubblicato in: Quantum, Numero 9, 2025, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2025-10-13-1883

Exponentially tighter bounds on limitations of quantum error mitigation

Autori: Yihui Quek, Daniel Stilck França, Sumeet Khatri, Johannes Jakob Meyer, Jens Eisert
Pubblicato in: Nature Physics, Numero 20, 2024, ISSN 1745-2473
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41567-024-02536-7

Learning Fermionic Correlations by Evolving with Random Translationally Invariant Hamiltonians

Autori: Janek Denzler, Antonio Anna Mele, Ellen Derbyshire, Tommaso Guaita, Jens Eisert
Pubblicato in: Physical Review Letters, Numero 133, 2025, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.133.240604

Good Gottesman-Kitaev-Preskill codes from the NTRU cryptosystem

Autori: Jonathan Conrad, Jens Eisert, Jean-Pierre Seifert
Pubblicato in: Quantum, Numero 8, 2024, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2024-07-04-1398

Experimentally probing Landauer’s principle in the quantum many-body regime

Autori: Stefan Aimet, Mohammadamin Tajik, Gabrielle Tournaire, Philipp Schüttelkopf, João Sabino, Spyros Sotiriadis, Giacomo Guarnieri, Jörg Schmiedmayer, Jens Eisert
Pubblicato in: Nature Physics, Numero 21, 2025, ISSN 1745-2473
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41567-025-02930-9

Entanglement theory with limited computational resources

Autori: Lorenzo Leone, Jacopo Rizzo, Jens Eisert, Sofiene Jerbi
Pubblicato in: Nature Physics, Numero 21, 2025, ISSN 1745-2473
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41567-025-03048-8

Generalized Linear Response Theory for the Full Quantum Work Statistics

Autori: Giacomo Guarnieri, Jens Eisert, Harry J. D. Miller
Pubblicato in: Physical Review Letters, Numero 133, 2025, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVLETT.133.070405

Verifiable measurement-based quantum random sampling with trapped ions

Autori: Martin Ringbauer, Marcel Hinsche, Thomas Feldker, Paul K. Faehrmann, Juani Bermejo-Vega, Claire L. Edmunds, Lukas Postler, Roman Stricker, Christian D. Marciniak, Michael Meth, Ivan Pogorelov, Rainer Blatt, Philipp Schindler, Jens Eisert, Thomas Monz, Dominik Hangleiter
Pubblicato in: Nature Communications, Numero 16, 2025, ISSN 2041-1723
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41467-024-55342-3

Optimal Trace-Distance Bounds for Free-Fermionic States: Testing and Improved Tomography

Autori: Lennart Bittel, Antonio Anna Mele, Jens Eisert, Lorenzo Leone
Pubblicato in: PRX Quantum, Numero 6, 2025, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/PZX6-NKFB

An in-principle super-polynomial quantum advantage for approximating combinatorial optimization problems via computational learning theory

Autori: Niklas Pirnay, Vincent Ulitzsch, Frederik Wilde, Jens Eisert, Jean-Pierre Seifert
Pubblicato in: Science Advances, Numero 10, 2024, ISSN 2375-2548
Editore: American Association for the Advancement of Science (AAAS)
DOI: 10.1126/SCIADV.ADJ5170

Measurement-Driven Quantum Advantages in Shallow Circuits

Autori: Chenfeng Cao, Jens Eisert
Pubblicato in: Physical Review Letters, Numero 136, 2026, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/4B99-XMQN

Single-shot quantum machine learning

Autori: Erik Recio-Armengol, Jens Eisert, Johannes Jakob Meyer
Pubblicato in: Physical Review A, Numero 111, 2025, ISSN 2469-9926
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVA.111.042420

Understanding quantum machine learning also requires rethinking generalization

Autori: Elies Gil-Fuster, Jens Eisert, Carlos Bravo-Prieto
Pubblicato in: Nature Communications, Numero 15, 2024, ISSN 2041-1723
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S41467-024-45882-Z

Finite temperature tensor network algorithm for frustrated two-dimensional quantum materials

Autori: Philipp Schmoll, Christian Balz, Bella Lake, Jens Eisert, Augustine Kshetrimayum
Pubblicato in: Physical Review B, Numero 109, 2024, ISSN 2469-9950
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVB.109.235119

"<mml:math xmlns:mml=""http://www.w3.org/1998/Math/MathML"" display=""inline"" overflow=""scroll""><mml:mi>XYZ</mml:mi></mml:math> Ruby Code: Making a Case for a Three-Colored Graphical Calculus for Quantum Error Correction in Spacetime"

Autori: Julio C. Magdalena de la Fuente, Josias Old, Alex Townsend-Teague, Manuel Rispler, Jens Eisert, Markus Müller
Pubblicato in: PRX Quantum, Numero 6, 2025, ISSN 2691-3399
Editore: American Physical Society (APS)
DOI: 10.1103/PRXQUANTUM.6.010360

Measuring out quasi-local integrals of motion from entanglement

Autori: Bohan Lu, Christian Bertoni, Steven J. Thomson, Jens Eisert
Pubblicato in: Communications Physics, Numero 7, 2024, ISSN 2399-3650
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S42005-023-01478-5

In the Shadow of the Hadamard Test: Using the Garbage State for Good and Further Modifications

Autori: Paul K. Faehrmann, Jens Eisert, Richard Kueng
Pubblicato in: Physical Review Letters, Numero 135, 2025, ISSN 0031-9007
Editore: American Physical Society (APS)
DOI: 10.1103/CQJW-KL8S

Perturbative gadgets for gate-based quantum computing: Nonrecursive constructions without subspace restrictions

Autori: Simon Cichy, Paul K. Faehrmann, Sumeet Khatri, Jens Eisert
Pubblicato in: Physical Review A, Numero 109, 2024, ISSN 2469-9926
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVA.109.052624

Lower bounds to variational problems with guarantees

Autori: J. Eisert
Pubblicato in: Physical Review A, Numero 113, 2026, ISSN 2469-9926
Editore: American Physical Society (APS)
DOI: 10.1103/CZ6K-Y46R

Quantum complexity phase transitions in monitored random circuits

Autori: Ryotaro Suzuki, Jonas Haferkamp, Jens Eisert, Philippe Faist
Pubblicato in: Quantum, Numero 9, 2025, ISSN 2521-327X
Editore: Verein zur Forderung des Open Access Publizierens in den Quantenwissenschaften
DOI: 10.22331/Q-2025-02-10-1627

Typical thermalization of low-entanglement states

Autori: Christian Bertoni, Clara Wassner, Giacomo Guarnieri, Jens Eisert
Pubblicato in: Communications Physics, Numero 8, 2025, ISSN 2399-3650
Editore: Springer Science and Business Media LLC
DOI: 10.1038/S42005-025-02161-7

A quantum inspired approach to learning dynamical laws from data—block-sparsity and gauge-mediated weight sharing

Autori: J Fuksa, M Götte, I Roth, J Eisert
Pubblicato in: Machine Learning: Science and Technology, Numero 5, 2024, ISSN 2632-2153
Editore: IOP Publishing
DOI: 10.1088/2632-2153/AD4F4E

Variationally optimizing infinite projected entangled-pair states at large bond dimensions: A split corner transfer matrix renormalization group approach

Autori: Jan Naumann, Erik L. Weerda, Jens Eisert, Matteo Rizzi, Philipp Schmoll
Pubblicato in: Physical Review B, Numero 111, 2025, ISSN 2469-9950
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVB.111.235116

Local integrals of motion and the stability of many-body localization in Wannier-Stark potentials

Autori: C. Bertoni, J. Eisert, A. Kshetrimayum, A. Nietner, S. J. Thomson
Pubblicato in: Physical Review B, Numero 109, 2024, ISSN 2469-9950
Editore: American Physical Society (APS)
DOI: 10.1103/PHYSREVB.109.024206

Stability of emergent time periodicity in a few-body interacting system

Autori: Steve Campbell, Jens Eisert, Giacomo Guarnieri
Pubblicato in: New Journal of Physics, Numero 27, 2025, ISSN 1367-2630
Editore: IOP Publishing
DOI: 10.1088/1367-2630/ADAC86