ON THE COVER
May 2, 2024
High-fidelity two-qubit gates are achieved with heavy-fluxonium qubits, circuits that break many conventional superconducting circuit paradigms, bringing more diversity for quantum applications.
Helin Zhang et al.
PRX Quantum 5, 020326 (2024)
PERSPECTIVE
Exploring the challenges and opportunities of current and future small-satellite-based quantum key distribution is key to progress toward wider quantum networking capabilities.
Tanvirul Islam et al.
PRX Quantum 5, 030101 (2024)
NEW ARTICLE
Motional squeezing is shown to enhance Wigner negativity in quantum states of anharmonic mechanical oscillators, opening the way for experimental control that is more robust against decoherence.
Christian A. Rosiek, Massimiliano Rossi, Albert Schliesser, and Anders S. Sørensen
PRX Quantum 5, 030312 (2024)
NEW ARTICLE
A novel approach shows that cross-correlations between classical and quantum simulations can be used to observe measurement-induced collective phenomena without postselection.
Samuel J. Garratt and Ehud Altman
PRX Quantum 5, 030311 (2024)
NEW ARTICLE
A new study analyzes the decomposability of many-body quantum systems in terms of ensembles of short-range entangled states.
Yu-Hsueh Chen and Tarun Grover
PRX Quantum 5, 030310 (2024)
NEW ARTICLE
New exact results place fundamental bounds on the temperature that a qubit system can reach when cooled by other qubits.
Lindsay Bassman Oftelie, Antonella De Pasquale, and Michele Campisi
PRX Quantum 5, 030309 (2024)
NEW ARTICLE
An investigation of cavity coupling to germanium-vacancy centers indicates a possible path toward a practical, coherent spin-photon interface via tunable microcavities.
Rigel Zifkin et al.
PRX Quantum 5, 030308 (2024)
NEW ARTICLE
Understanding the various impacts of imperfection on quantum teleportation leads to a stronger theory of measurement-altered quantum criticality and potentially more optimized teleportation protocol design.
Pablo Sala, Sara Murciano, Yue Liu, and Jason Alicea
PRX Quantum 5, 030307 (2024)