Paper An adversary bound for quantum signal processing Lorenzo Laneve, Quantum 10, 2025 (2026). Quantum signal processing (QSP) and quantum singular value transformation (QSVT), have emerged as unifying frameworks in the context of quantum algorithm design. These techniques allow to ca…
Paper Explicit decoders using fixed-point amplitude amplification based on QSVT Takeru Utsumi and Yoshifumi Nakata, Quantum 10, 2024 (2026). Reliably transmitting quantum information via a noisy quantum channel is a central challenge in quantum information science. While constructing a decoder is crucial to this goal, little was…
Paper Qudit low-density parity-check codes Daniel J. Spencer, Andrew Tanggara, Tobias Haug, Derek Khu, and Kishor Bharti, Quantum 10, 2023 (2026). Qudits offer significant advantages over qubit-based architectures, including more efficient gate compilation, reduced resource requirements, improved error-correction primitives, and enhanc…
Paper Successive randomized compression: A randomized algorithm for the compressed MPO-MPS product Chris Camaño, Ethan N. Epperly, and Joel A. Tropp, Quantum 10, 2022 (2026). Tensor networks like matrix product states (MPSs) and matrix product operators (MPOs) are powerful tools for representing exponentially large states and operators, with applications in quant…
Paper Automated generation of photonic circuits for Bell tests with homodyne measurements Corentin Lanore, Federico Grasselli, Xavier Valcarce, Jean-Daniel Bancal, and Nicolas Sangouard, Quantum 10, 2021 (2026). Nonlocal quantum realizations, certified by the violation of a Bell inequality, are core resources for device-independent quantum information processing. Although proof-of-principle experime…
Paper No-go theorem for heralded exact one-way key distillation Vishal Singh and Mark M. Wilde, Quantum 10, 2020 (2026). The heralded exact one-way distillable secret key is equal to the largest expected rate at which perfect secret key bits can be probabilistically distilled from a bipartite state by means of…
Paper More entropy from shorter experiments using polytope approximations to the quantum set Hyejung H. Jee, Florian J. Curchod, and Mafalda L. Almeida, Quantum 10, 2019 (2026). We introduce a systematic method for constructing polytope approximations to the quantum set in a variety of device-independent quantum random number generation (DI-QRNG) protocols. Our appr…
Paper Quasi-Adiabatic Processing of Thermal States Reinis Irmejs, Mari Carmen Bañuls, and J. Ignacio Cirac, Quantum 10, 2018 (2026). We investigate the performance of an adiabatic evolution protocol when initialized from a Gibbs state at finite temperature. Specifically, we identify the diagonality of the final state in t…
Paper Impact of Clifford operations on non-stabilizing power and quantum chaos Naga Dileep Varikuti, Soumik Bandyopadhyay, and Philipp Hauke, Quantum 10, 2017 (2026). Non-stabilizerness, alongside entanglement, is a crucial ingredient for fault-tolerant quantum computation and achieving a genuine quantum advantage. Despite recent progress, a complete unde…
Paper Near-optimal coherent state discrimination via continuously labelled non-Gaussian measurements James Moran, Spiros Kechrimparis, and Hyukjoon Kwon, Quantum 10, 2016 (2026). Quantum state discrimination plays a central role in quantum information and communication. For the discrimination of optical quantum states, the two most widely adopted measurement techniqu…
Paper Efficient Computation of Generalized Noncontextual Polytopes and Quantum violation of their Facet Inequalities Soumyabrata Hazra, Debashis Saha, Anubhav Chaturvedi, Subhankar Bera, and A. S. Majumdar, Quantum 10, 2015 (2026). Finding a set of empirical criteria fulfilled by any theory satisfying the generalized notion of noncontextuality is a challenging task of both operational and foundational importance. This…
Paper Utility-Scale Quantum State Preparation: Classical Training using Pauli Path Simulation Cheng-Ju Lin, Hrant Gharibyan, and Vincent P. Su, Quantum 10, 2014 (2026). We use Pauli Path simulation to variationally obtain parametrized circuits for preparing ground states of various quantum many-body Hamiltonians. These include the quantum Ising model in one…
Paper Quantum Supermaps are Characterized by Locality Matt Wilson, Giulio Chiribella, and Aleks Kissinger, Quantum 10, 2013 (2026). We provide a new characterisation of quantum supermaps in terms of an axiom that refers only to sequential and parallel composition. Consequently, we generalize quantum supermaps to arbitrar…
Paper Bridging Classical and Quantum Information Scrambling with the Operator Entanglement Spectrum Ben T. McDonough, Claudio Chamon, Justin H. Wilson, and Thomas Iadecola, Quantum 10, 2012 (2026). Universal features of chaotic quantum dynamics underlie our understanding of thermalization in closed quantum systems and the complexity of quantum computations. Reversible automaton circuit…
Paper Universal and Efficient Quantum State Verification via Schmidt Decomposition and Mutually Unbiased Bases Yunting Li and Huangjun Zhu, Quantum 10, 2011 (2026). Efficient verification of multipartite quantum states is crucial to many applications in quantum information processing. By virtue of Schmidt decomposition and mutually unbiased bases, here…
Paper Self-restricting Noise and Exponential Relative Entropy Decay Under Unital Quantum Markov Semigroups Nicholas LaRacuente, Quantum 10, 2010 (2026). States of open quantum systems often decay continuously under environmental interactions. Quantum Markov semigroups model such processes in dissipative environments. It is known that finite-…
