8.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR4.5k papers
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- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR2.2k papers
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- Panjab UniversityIN1.9k papers
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- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT1.7k papers
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125 papers · 1 filter
Efficient atom rearrangements for quantum error correction primitives with a single AOD
Tom Hartweg, Asier Piñeiro Orioli, Hugo Perrin +1
Neutral-atom quantum computers offer arbitrary connectivity enabled by atom transport. Some logical operations can then be simplified or reduced entirely to geometric rearrangement…
Complexity of Quantum Trajectories
Luca Lumia, Emanuele Tirrito, Mario Collura +2
Open quantum systems can be described by unraveling Lindblad master equations into ensembles of quantum trajectories. Here we investigate how the complexity of such trajectories is…
Pontryagin Maximum Principle for Rydberg-blockaded state-to-state transfers: A semi-analytic approach
Federico Alberto Astolfi, Sven Jandura, Guido Pupillo
We study time-optimal state-to-state control for two- and multi-qubit operations motivated by neutral-atom quantum processors within the Rydberg blockade regime. Block-diagonalizat…
Tailoring interaction ranges in atom arrays
T. Botzung, G. Creutzer, C. Sayrin +1
We introduce a method to synthetically engineer the range of dipolar interactions in tweezer atom arrays by effectively modifying the modes of the electromagnetic vacuum with far-d…
Low-depth quantum error correction via three-qubit gates in Rydberg atom arrays
Laura Pecorari, Sven Jandura, Guido Pupillo
Quantum error correction (QEC) requires the execution of deep quantum circuits with large numbers of physical qubits to protect information against errors. Designing protocols that…
Ab Initio Polaritonic Chemistry on Diverse Quantum Computing Platforms: Qubit, Qudit, and Hybrid Qubit-Qumode Architectures
Even Chiari, Wafa Makhlouf, Lucie Pepe +5
Trying to export ab initio polaritonic chemistry onto emerging quantum computers raises fundamental questions. A central one is how to efficiently represent both fermionic and boso…
Quantum Resonator as a Directional Quantum Emitter
Luiz O. R. Solak, Bruno L. Vermes, Antonio S. M. de Castro +2
Single-photon sources are essential for testing fundamental physics and for the development of quantum technologies. In this work a single-photon source is investigated, based on a…
Unraveling Dicke Superradiant Decay with Separable Coherent Spin States
Pedro Rosario, Luiz O. R. Solak, A. Cidrim +2
We show that idealized Dicke superradiant decay from a fully inverted state can at all times be described by a positive statistical mixture of coherent spin states (CSS). Since CSS…
Cavity polariton blockade for non-local entangling gates with trapped atoms
Vineesha Srivastava, Sven Jandura, Gavin K. Brennen +1
We propose a scheme for realizing multi-qubit entangled W-state and non-local and gates via a cavity polariton blockade mechanism with a system of atomic qubits coupled…
The iSWAP gate with polar molecules: Robustness criteria for entangling operations
Matteo Bergonzoni, Sven Jandura, Guido Pupillo
Ultracold polar molecules in optical lattices or tweezer arrays offer a promising platform for quantum information processing and simulation, thanks to their rich internal structur…
Quantum low-density parity-check codes for erasure-biased atomic quantum processors
Laura Pecorari, Guido Pupillo
Identifying the best families of quantum error correction (QEC) codes for near-term experiments is key to enabling fault-tolerant quantum computing. Ideally, such codes should have…
Qudit encoding in Rydberg blockaded arrays of atoms
Achille Robert, Tom Bienaimé
We propose a protocol to realize arbitrary state synthesis and unitary operations on a qudit encoded in the collective dressed states of a Rydberg-blockaded array of three-level at…
Quantum network tomography of Rydberg arrays by machine learning
Kaustav Mukherjee, Johannes Schachenmayer, Shannon Whitlock +1
Configurable arrays of optically trapped Rydberg atoms are a versatile platform for quantum computation and quantum simulation, also allowing controllable decoherence. We demonstra…
Quantum Error Correction resilient against Atom Loss
Hugo Perrin, Sven Jandura, Guido Pupillo
We investigate quantum error correction protocols for neutral atoms quantum processors in the presence of atom loss. We complement the surface code with loss detection units (LDU)…
Compact optical waveform generator with digital feedback
Shuzhe Yang, Guido Masella, Vase Moeini +4
A key requirement for quantum technologies based on atoms, ions, and molecules, is the ability to realize precise phase- and amplitude-controlled quantum operations via coherent la…
Simulating the Fermi-Hubbard model with long-range hopping on a quantum computer
Tatiana A. Bespalova, Karlo Delić, Guido Pupillo +2
We investigate the performance and accuracy of digital quantum algorithms for the study of static and dynamic properties of the fermionic Hubbard model at half-filling with next-ne…
Non-unitarity maximizing unraveling of open quantum dynamics
Ruben Daraban, Fabrizio Salas-Ramírez, Johannes Schachenmayer
The dynamics of many-body quantum states in open systems is commonly numerically simulated by unraveling the density matrix into pure-state trajectories. In this work, we introduce…
Entanglement-enhanced quantum sensing via optimal global control with neutral atoms in a cavity
Vineesha Srivastava, Sven Jandura, Gavin K Brennen +1
We present a deterministic protocol for the preparation of entangled states in the symmetric Dicke subspace of spins coupled to a common cavity mode that prepares entangled sta…
A quantum mechanical evaluation of the intermediate scattering function
Oussama Bindech, Roberto Marquardt, Fabien Gatti +2
The intermediate scattering function is interpreted as a correlation function of thermal wave packets of the scattering centers perturbed by the scattering particles at different t…
Coarse-grained dynamics in quantum many-body systems using the maximum entropy principle
Adán Castillo, Carlos Pineda, Erick Sebastían Navarrete +1
Starting from a coarse-grained map of a quantum many-body system, we construct the inverse map that assigns a microscopic state to a coarse-grained state based on the maximum entro…
Dynamic thermalization on noisy quantum hardware
H. Perrin, T. Scoquart, A. I. Pavlov +1
Emulating thermal observables on a digital quantum computer is essential for quantum simulation of many-body physics. However, thermalization typically requires a large system size…
Open quantum dynamics with variational non-Gaussian states and the truncated Wigner approximation
Liam J. Bond, Bas Gerritsen, Jiří Minář +3
We present a framework for simulating the open dynamics of spin-boson systems by combining variational non-Gaussian states with a quantum trajectories approach. We apply this metho…
Magic phase transition and non-local complexity in generalized State
A. G. Catalano, J. Odavić, G. Torre +3
We employ the Stabilizer Renyi Entropy (SRE) to characterize a quantum phase transition that has so far eluded any standard description and can thus now be explained in terms of th…
Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing
Jean-Gabriel Hartmann, Denis Janković, Rémi Pasquier +2
High-dimensional quantum computing has generated significant interest due to its potential to address scalability and error correction challenges faced by traditional qubit-based s…