Essentially optimal gate teleportationGate teleportation allows us to implement a nonlocal unitary using local operations, classical communication (LOCC), and a shared entangled state. Known deterministic teleportation protocols consume…Lukas Schmitt, David Sutter·Aug 25, 2026SaveLearn
Distributed Resource Theory of Entanglement and MagicIn distributed fault-tolerant quantum computing, entanglement and magic are essential resources for quantum communication and universal fault-tolerant computation, respectively. Although they are…Xiao Yuan, Wenhao Zhang, Qiming Ding et al.·Aug 25, 2026SaveLearn
Three-slit interference with a which-path memory ancilla: A bright-dark state formulationIn this paper, we study the effect of a which-path memory ancilla on the three-slit interference pattern within the framework of the bright--dark state description [Phys. Rev. Lett. 134, 133603…Ajay Kumar, Guruprasad Kadam, Anirban Pathak·Aug 25, 2026SaveLearn
A Theory of Finite-Noise Optima and Generalization in Quantum Machine LearningQuantum noise is expected to degrade quantum machine learning by driving circuits away from their noiseless implementations. Yet recent studies show moderate noise can reduce testing error, a…Ziyu Zhang, Zikang Jia, Xiaosong Li et al.·Aug 25, 2026SaveLearn
A Dynamic-Kernel/QPacket Executable for Quantum Repeater Chains in Q2NS/ns-3The Quantum Internet operates on entanglement, a non-local, non-copyable, stateful network resource, which motivates protocol organization beyond classical layering. We present a first executable…Adam Pearson, Marcello Caleffi, Angela Sara Cacciapuoti·Aug 25, 2026SaveLearn
Efficient Treatment of Non-Linearity in Quantum Computational Fluid Dynamics Using Hybrid Tensor NetworksNonlinear terms present a fundamental challenge for quantum computational fluid dynamics, as their implementation on inherently linear quantum hardware typically requires resource-intensive…Pia Siegl, Nis-Luca van Hülst, Maximilian Mandelt Buxadé et al.·Aug 25, 2026SaveLearn
Quantum Secure Time Transfer for SatellitesWe experimentally demonstrate an entanglement-based Quantum-Secure Time Transfer (QSTT) system in an emulated low Earth orbit satellite-to-ground channel using a type-0 Sagnac-based entangled-photon…Ravi Singh Adhikari, Anju Rani, Aman Gupta et al.·Aug 25, 2026SaveLearn
Lifting connectivity bottlenecks in superconducting quantum processors via enriched native two-qubit gatesLimited qubit connectivity is a central architectural constraint in superconducting quantum processors, whose planar layouts require additional gates to mediate interactions between distant qubits.…Hanyi Wang, Jingzhe Guo, Lijun Sun et al.·Aug 25, 2026SaveLearn
Rank and Range Criteria for Mixed-State Determination from Local MarginalsDetermining whether a mixed quantum state is uniquely determined among all states by its k-body marginals (k-UDA) is a fundamental problem in quantum system certification. We develop a range-based…Xinyu Qiu, Minglong Qin, Caohan Cheng et al.·Aug 25, 2026SaveLearn
Time-Dependent Tunneling in the Thin-Barrier LimitThe usual WKB analysis for quantum tunneling applies when the tunneling action is large, as it is for tall, wide potential barriers. In contrast we analyze tunneling when the action is small, as it…Tanmay Vachaspati, Frank Wilczek, Zara Yu·Aug 25, 2026SaveLearn
Threshold and Parity BosonSampling in the Linear-Mode RegimeBosonSampling is among the most prominent candidates for demonstrating quantum advantage. However, while the hardness of BosonSampling relies on photon-number-resolving detection, many experimentally…Byeongseon Go, Hyunseok Jeong, Changhun Oh·Aug 25, 2026SaveLearn
Improved Quantum Codes with Transversal T GatesIn this work, we study quantum CSS codes with transversal T gates. Here, T gate transversality is meant in the strongest sense; the application of physical T to every physical qubit yields…Adam Wills·Aug 25, 2026SaveLearn
A Clarifying Note on the Position-Momentum Correspondence: Pontryagin Duality, Fourier Transport, and Physical NormalizationThe position--momentum correspondence combines several mathematically distinct identifications that are often conflated. For the additive group ( R,+), every continuous character has the…Samuel B. Soltau·Aug 25, 2026SaveLearn
QML for Quantum Sensing under Measurement-Induced Information LossNitrogen-vacancy (NV) centers in diamond can serve as highly sensitive solid-state quantum sensors for high-sensitivity magnetometry. However, in the noisy intermediate-scale quantum (NISQ) era,…Sounak Bhowmik, Himanshu Thapliyal·Aug 25, 2026SaveLearn
Quantum Algorithms and Hardness for Point-Count Approximation over Finite FieldsWe study the approximation of the number of solutions of Laurent polynomials over finite fields. For a Laurent polynomial \[f(x)=Σj=1sajxuj∈…Yota Maeda, Hiroshi Yano·Aug 25, 2026SaveLearn
Exact Quasiprobability Hierarchy of the Double-Morse Oscillator: From Potential Geometry to Operator OrderingPhase-space and quasiprobability methods now play operational roles in quantum technologies, characterizing localization, non-Gaussianity, nonclassical resources, and coarse-graining. We develop an…Firoz Chogle, Berihu Teklu, Mauro F. Pereira·Aug 25, 2026SaveLearn
AlchemQ: Proof-Carrying Quantum Circuit Optimization with Per-Result Equivalence CertificatesWe present AlchemQ v0.5, a proof-of-concept system that couples an untrusted beam-search optimizer with a machine-checkable per-result certification layer and a versioned certificate protocol…Adam Laabs·Aug 24, 2026SaveLearn
CircLS: Compiling Lattice Surgery to Physical Circuits with Dynamic AllocationIn fault-tolerant quantum computing, lattice surgery (LS) is one of the leading ways to realize logical operations, and the Pauli product measurement (PPM) is the basic instruction of LS-based…John Yuehan Zhang·Aug 24, 2026SaveLearn
Sustained macroscopic quantum coherence in a superradiant solid under ambient conditionsMacroscopic quantum coherence, such as in laser, Bose-Einstein condensates, superfluids, and superconductors, is important to fundamental physics and useful for quantum technologies. Superradiance…Wei-Jiang Wu, Da-Wu Xiao, Wen-Tao Wang et al.·Aug 24, 2026SaveLearn
Hamiltonian Learning at ScaleLearning a quantum system's Hamiltonian is crucial for understanding and controlling its dynamics and has recently become a topic of widespread interest. To understand the learning protocol's…Nathan Johnson, Eugene Dumitrescu·Aug 24, 2026SaveLearn
Compositionality in quantum reference frame perspectivesUnderstanding a composite system through its constituents is a fundamental practice in physics. In the context of quantum reference frames (QRFs), however, combining the usual quantum-theoretic…Bruna Sahdo, Esteban Castro-Ruiz·Aug 24, 2026SaveLearn
Bang-bang protocol for nondispersive qubit readoutFast, precise, and quantum-non-demolition (QND) readout of superconducting qubits is a fundamental component of high-fidelity quantum sensing and computation. Conventional approaches typically…Nina del Ser, Yinan Chen, Jacob Steiner et al.·Aug 24, 2026SaveLearn
Single-shot online sequence classification with unbounded quantum memory advantageAn agent monitors a complex environment, receiving one observation at each time step and eventually deciding how to label the resulting sequence. Does the sequence indicate an anomaly, and if so, of…Keith K. Ng, Haochen Jay Li, Mile Gu et al.·Aug 24, 2026SaveLearn
Dissipation-induced Sachdev-Ye-Kitaev physics in many-body cavity quantum electrodynamicsWe show that cavity quantum electrodynamics (QED) devices can realize dissipative Sachdev-Ye-Kitaev (SYK) physics, a paradigmatic setting for quantum chaos in open many-body systems. Ultracold…Pietro Pacchioni, Filippo Ferrari, Vincenzo Savona et al.·Aug 24, 2026SaveLearn
Satisfying Quantum Codes: Physics-Informed and Hardware-Aware Code Design with SAT SolversAlthough quantum error correction is widely believed to be necessary for impactful applications of quantum computers, the design of quantum error correction codes is largely done by hand, without…Ben DalFavero, William M. Watkins, Margarite L. LaBorde et al.·Aug 24, 2026SaveLearn