Quantum Physics · Physics & Astronomy
Quantum Physics
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3,630 papers, from 4 September 2026 to 5 November 2026: 3,630 arXiv preprints.
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Newest papers, page 87
Local-dimension-invariant low-density parity-check stabilizer codes
The protection of quantum information in systems leveraging more than two basis states (qudits) is an ongoing challenge.Quantum limit cycles from phase coupling: A framework for NISQ thermodynamic devices
Quantum decoherence does not permit the operation of (new) miniaturised devices or protocols that can otherwise run unassisted in classical settings, without explicit user agent intervention in the…Quantum simultaneous decoding via pretty-good measurements of tilted states
A multiple-access channel transmits messages from several senders to one receiver.Scalable Exact Non-Pauli Noise Simulation for Fault-Tolerant Quantum Circuits
Fault-tolerant quantum design relies on simulating noisy quantum error correction (QEC) circuits with hundreds to thousands of physical qubits and large circuit depths.Stabilizer entropy cones as self-dual slices of linear rank cones: a five-party gap and dependence on the local dimension
Entanglement entropies of multipartite pure states satisfy linear inequalities; for stabilizer states, the backbone of quantum error correction, the achievable entropy vectors generate a convex cone.The GHZ Game in Black and White
We show that it is possible for three people to win the GHZ game with just the standard real valued misty state formalism, but each party will need to have two balls instead of one.Exponential Quantum Advantage in Stationary Signal Sensing
Sensing time-varying signals is essential for precision measurement and for characterizing fluctuations in physical systems.Hyperpolarization-enabled cooperative molecular magnetic amplification
Detecting weak magnetic fields at hertz frequencies is central to biomagnetism, geophysical sensing, and searches for new physics, yet it remains challenging because of technical systematics and…Quadrature-detected zero-to-ultralow-field nuclear magnetic resonance
We present the concept of quadrature-detected zero-to-ultralow-field nuclear magnetic resonance (QD ZULF NMR).Quantum-Fisher-information-aware optimization yields a quantum reservoir advantage over tuned classical reservoirs
We show that a quantum reservoir computer optimized with its quantum Fisher information (QFI) has a quantum advantage over a classical reservoir of equal readout cost, provided by a…Harmonic Reduction of Spin-Coupled Grover Walks on Hypercubes via Quantum Bernoulli Noises
We consider spin-coupled Grover walks on hypercubes within the framework of quantum Bernoulli noises (QBN).Fast continuous ion transport through X-junctions with low motional excitation for QCCD architectures
Trapped ion quantum computing based on the quantum charge coupled device (QCCD) architecture uses functional zoning and ion transport to enable high fidelity computation and all to all qubit…Sample-Size Scalability and Representation Sensitivity of Quantum Machine Learning Models for Higgs Boson Event Classification
Quantum machine learning offers new approaches to multivariate event classification in high-energy physics, but its performance relative to optimized classical methods remains uncertain under…Entanglement-Capability-Aware Finite-Bond Circuit Cutting for Distributed Quantum Computing
Distributed quantum computing distributes workloads that exceed a single processor's capacity across resource-constrained components.Exploring Dynamical Quantum Phase Transitions via the Dynamical Phase Accumulated at an Equilibrium Critical Point
We investigate dynamical quantum phase transitions (DQPTs) generated by a two-step linear quench with a finite waiting time at the equilibrium critical point.Scalability and performance metrics for boson sampling devices
Linear-optical platforms provide a promising route to demonstrate quantum computational advantage, particularly through the boson sampling problem.Reducing Trust Cost in Quantum Application Development Using AI
Generative AI can be a powerful tool for supporting the design and implementation of quantum applications, whereas the burden of checking whether generated circuits realize the intended computation…Clifford Invariants and Three-Copy Quantum Tests
We give an explicit treatment of the third tensor power of the Clifford representation on $n$ qutrits, for $n\geq2$.Avoiding Defects within Heavy-Hexagon Architecture
When implementing scalable fault-tolerant quantum computing using superconducting quantum processors, one of the critical challenges to overcome is the presence of defective qubits arising from…Classical Communication Helps Single-Shot Quantum Compression
Free classical communication can yield an unbounded single-shot saving in quantum compression, even though it leaves the asymptotic rate of an i.i.d. source unchanged.