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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Learning quantum symmetries
Quantum algorithms are powerful tools for finding symmetries of classical objects, most famously through Shor's algorithm and the Hidden Subgroup Problem (HSP).Optimal Ground-State Preparation with a Guiding State
Suppose a Hamiltonian $H$ has a unique ground state $|ψ_0\rangle$ with an eigenvalue $E_0$, and we have an estimate $\tilde{E}_0$ such that $|\tilde{E}_0-E_0|\leqδ$, and there is a gap of at least…The Principle of Minimum Justified Correlation
It is shown that Shannon entropy, Fisher information, and quantum-mechanical kinetic energy may all be viewed as measures of correlation.Multimode radiation pressure actuation of a mechanical resonator using a spatial mode sorter
Multimode optomechanical scattering is ubiquitous in free-space imaging protocols, but its radiation pressure counterpart is challenging to detect with extended objects.Resource Compatibility in Optimal Quantum Symmetry Testing
Can a symmetry be tested optimally without using the quantum resource naturally associated with it?Local autonomous inference machines for quantum LDPC codes
We introduce a local and distributed framework for decoding quantum LDPC codes.The exact strong converse exponent for private communication over quantum channels
We determine the exact strong converse exponent for secret-key transmission and generation over general finite-dimensional quantum wiretap channels, measuring reliability and secrecy jointly by…Query-optimal unitary channel tomography in diamond distance with parallel access
In the study of quantum process tomography, it has remained open how to learn a unitary channel in diamond distance with strictly parallel queries as efficiently as with sequential queries.Optimal Tolerant Testing of Lindbladian Dissipation
Quantifying dissipation is essential for controlling quantum noise and characterizing open-system dynamics.When Classical Correlations Certify Entanglement Recovery
Entanglement and state distinguishability have long been central topics in quantum foundations.A unified interpretation of probability
In this article I revisit the frequency interpretation of probability of von Mises, and argue that it contains the key elements of any coherent interpretation of scientific probability -…Exact Operator Complexity Measures from Random Matchgate Unitaries
Matchgate circuits describe classically tractable dynamics in a physically relevant setting while nonetheless exhibiting features characteristic of complex quantum systems, such as high amounts of…Making the most of leftovers: Improved privacy amplification for quantum key distribution
The amount of secret key that can be obtained from a quantum key distribution run depends on both the physically observed error rates and the mathematical bounds used to certify security.When Symmetry Suppresses Magic
Nonstabilizerness is a critical resource for quantum advantage, but evaluating it, especially for mixed states, requires superexponentially many samples in system size, making the problem NP-hard.Exponential strong converse for blind quantum data compression
We establish exponential strong converse theorems for blind quantum data compression of finite-dimensional mixed-state sources, with and without entanglement assistance.Collective Dynamics in Spin Chains with Constrained Dissipation: Classically Fragile but Quantum Robust
Collective non-equilibrium phenomena in many-body systems are strongly influenced by fluctuations, particularly in the vicinity of phase transitions, where the interplay between classical and…Interferometric Readout of Momentum-Space Topology in a Programmable Dissipative Photonic Circuit
Topology under non-Hermitian dynamics is encoded in the phase of the bulk evolution, yet strong dissipation suppresses the amplitudes carrying it.Time-Integrated Leakage as a Dynamical Benchmark for Multi-Mode Superconducting-Qubit Reset
Reset performance in superconducting qubits is often summarized by the population that remains at the end of the pulse.Priority-Aware Routing for Quantum Networks:Integrating Coherence-Time Constraints into Scheduling
Quantum networks face a fundamental challenge absent in classical networks; finite memory coherence times mean that queuing delay directly degrades information quality, causing decoherence that has…On Removing Interaction from Quantum Proofs
An important open question in quantum cryptography is the construction of publicly-verifiable NIZKs for QMA.