Compressibility of genuine multipartite entanglement under the Hadamard mapOne of the most counterintuitive effects in the examination of quantum states is the phenomenon of superactivation, which describes the fact that a quantum state, which is useless for a specific…Klára Baksová, Lisa T. Weinbrenner·Aug 19, 2026SaveLearn
Rescaled Mandelstam Tamm characterization of discrete time crystal response in a disordered Floquet Ising chainFor pure state unitary dynamics, the Mandelstam Tamm (MT) lower-bound functional compares the endpoint Fubini Study return angle with path averaged energy dispersion. Their distinct size and temporal…Abrar Ahmed Naqash, Salman Sajad Wani, Saif Al-Kuwari·Aug 19, 2026SaveLearn
Rethinking Quantum CircuitsThese notes develop four interconnected ways of reading a quantum circuit. A circuit for us begins as an operational composition of gates; then, it becomes a diagram whose local equalities may be…Steven Rayan·Aug 19, 2026SaveLearn
Dataflows and Computational Patterns for Hybrid Quantum-Classical Scientific ComputingHybrid quantum-classical computing has emerged as the dominant paradigm for near-term quantum applications, yet hybrid workflows are typically described by individual algorithms rather than their…Ryan Landfield, Jordan J. Winetrout, Michael A. Sandoval·Aug 19, 2026SaveLearn
Hyperon-antihyperon system in electron-positron annihilation as quantum probes for temperature estimation with local and global dephasingWe investigate quantum thermometry in Ohmic-type reservoirs using two-qubit probes within an exactly solvable pure-dephasing framework. By analyzing the individual variance associated with…Anass Hminat, Abdallah Slaoui, Rachid Ahl Laamara et al.·Aug 19, 2026SaveLearn
Multipolar Light-Matter Hamiltonians in Symmetry-Breaking Photonic VacuumsWe show that the conventional multipolar Hamiltonian is qualitatively modified when the photonic vacuum breaks inversion or time-reversal symmetry. By explicitly applying the Power-Zienau-Woolley…Liu Yang, Jiadu Lin, Qing-Dong Jiang·Aug 19, 2026SaveLearn
Glassy dynamics with softened kinetic constraints on a noisy quantum computerMid-circuit measurements provide direct access to trajectory-level observables, revealing dynamical structures in many-body systems that are invisible in ensemble-averaged quantities. We exploit this…Marcel Cech, Igor Lesanovsky, Federico Carollo·Aug 19, 2026SaveLearn
Strongly coupled atom-cavity systems under boundary modulation: simulating gravitational-wave effectsOne of the proposed platforms in which both quantum and general relativistic effects can become observable is an atom interacting with the electromagnetic field in a gravitational-wave background.…Patryk Michalski, Jerzy Paczos, Navdeep Arya et al.·Aug 19, 2026SaveLearn
Statistical Mechanics of Non-Abelian Learnability TransitionsMonitored many-body quantum systems can undergo sharp learnability transitions characterized by how much information can be learned by the observer. When the dynamics conserves a non-Abelian charge,…Ruochen Ma, Romain Vasseur·Aug 19, 2026SaveLearn
Simulating Black Hole Thermality and Interior Scrambling on a Superconducting Quantum ProcessorWe implement a chiral spin-chain black hole simulator on IBM superconducting quantum hardware and probe, within a common microscopic framework, both semiclassical horizon physics and interacting…Ryan Smith, Ewan Forbes, Iason A. Sofos et al.·Aug 19, 2026SaveLearn
Thermal Throttling of Quantum State TransferQuantum state transfer on qubit lattices is a crucial step in a panoply of quantum information processing tasks. Understanding its fundamental limits in the presence of practical imperfections…Twesh Upadhyaya, T. C. Mooney, Yifan Hong et al.·Aug 19, 2026SaveLearn
Proof of the hiding conjecture for Gaussian boson sampling with an arbitrary number of squeezed input modesGaussian boson sampling (GBS) is a sampling task proposed to demonstrate quantum advantage. We consider Gaussian boson sampling on M optical modes, with K equally squeezed input modes and N…Laura Shou, Alexey V. Gorshkov, Victor Galitski et al.·Aug 19, 2026SaveLearn
Dissipation-enhanced scrambling in the SYK model coupled to a lossy cavityWe study the Yukawa-Sachdev-Ye-Kitaev model, a disordered model of N Majorana fermions and R=γN bosons in which the bosons are linearly coupled to independent realizations of SYK p-body…Pietro Pelliconi, Bastien Lapierre, Shinsei Ryu·Aug 19, 2026SaveLearn
Quantum Gaussian processes for prediction of channel observationsGiven a set of input states, we consider the task of predicting the expectation value of a Pauli observable at the output of an unknown quantum evolution, using only a limited number of measurements.…Jonas Jäger, Yaroslav Khmelnitskiy, Paolo Braccia et al.·Aug 19, 2026SaveLearn
State--Generator Geometry of Open Quantum Systems: Compatibility and Covariant TransportWe develop a geometry for transporting stationary-state response across the control space of an open quantum system. A physical model is represented by the ordered pair of its stationary state and…Eric R. Bittner, Carlos Silva-Acuna·Aug 19, 2026SaveLearn
Quantum Speedups Require Structure or DepthOne of the most basic conjectures in quantum complexity theory states that every t-query quantum algorithm can be simulated on most inputs by a poly(t)-query classical algorithm. If…Guy Blanc, Jordan Docter, Carmen Strassle et al.·Aug 19, 2026SaveLearn
Entanglement battery and entanglement catalyst in local state discrimination problemsIn this work, we study the limitations and advantages of using entanglement battery and entanglement catalyst in local state discrimination problems. We consider both cases of such tools, i.e., exact…Saronath Halder, Aby Philip, Alexander Streltsov·Aug 19, 2026SaveLearn
Connectivity--Interference Competition in Coherent Transport on Percolated Hierarchical Small-World NetworksAdding links generally improves classical transport by increasing the number of available paths. We show that coherent quantum transport can display the opposite behavior. Using continuous-time…Miquéias Jacinto Cirino, Marcos César de Oliveira·Aug 19, 2026SaveLearn
Quantum circuit optimization using deep reinforcement learning: Applications across multiple gate setsThe practical implementation of quantum algorithms on noisy intermediate-scale quantum devices encounters operational limitations due to decoherence and other sources of noise inherent in real…Khoa Dang Tao, Sumin Jin, Muhammad Raza et al.·Aug 19, 2026SaveLearn
Realizing Logical Diagonal Gates via Transversal Physical Z-Rotations in CSS CodesCalderbank-Shor-Steane (CSS) codes, constructed from nested classical codes C2 ⊂eq C1, are typically optimized for good code parameters. However, practical quantum computing equally demands…K. Sai Mineesh Reddy, Navin Kashyap·Aug 19, 2026SaveLearn
Non-Local Search-to-Decision Reduction over F2Non-local search-to-decision asks whether two noncommunicating parties, given the two shares of a bipartite encoding of a uniformly random string x∈ F2n, can both predict the same…Prabhanjan Ananth·Aug 19, 2026SaveLearn
Distinct Modes of Quantum Information Transfer in Power-Law Long-Range Spin NetworksWe identify different regimes of quantum state transfer in long-range coupled spin-12 systems, where naturally occurring power-law interactions enable rapid, high-fidelity transfer with…E. E. Marshall, C. C. Nelmes, T. J. G. Apollaro et al.·Aug 19, 2026SaveLearn
Bernstein-Vazirani Networks: Quantum Machine Learning by InterferenceWe introduce Bernstein-Vazirani Networks (BVNs), a non-variational quantum machine learning framework that leverages quantum interference for supervised learning, demonstrated on vision and…Natacha Kuete Meli, Tolga Birdal, Prayag Tiwari et al.·Aug 19, 2026SaveLearn
Interface Capacity and Architectural Replenishment Determine Entanglement-Generation Speed in Quantum NetworksWe show that entanglement-generation speed across a fixed network interface is governed by two distinct resources: the entangling capacity of the interface itself and the ability of the surrounding…Shi-Ju Ran·Aug 19, 2026SaveLearn
RushHour: A Dynamically Reconfigurable Lattice-Surgery ArchitecturePractical fault-tolerant quantum computing (FTQC) requires efficient lattice surgery (LS), so that large algorithms fit on resource-constrained quantum chips. Existing approaches, however, are rigid:…Nathaniel Tornow, Aleksandra Świerkowska, Peter Wegmann et al.·Aug 19, 2026SaveLearn