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 157
Separability rigidity of Gaussian states under positive domination
We prove a separability rigidity theorem for finite-mode Gaussian states.An Operator-Norm Approach to Security with Quantum Advice
Non-uniform security allows an adversary to receive bounded advice about an oracle before attempting a fresh challenge.Loss-Resilient Quantum Networking with Dicke Entanglement
Multipartite entanglement can endow a quantum network with capabilities unavailable classically, yet their evolution under progressively reduced physical and informational access remains largely…The Breakdown of Classical Minicrypt Equivalences in the Quantum-Computation Classical-Communication Model
Classically, it is well-known that several fundamental cryptographic primitives, including one-way functions, pseudorandom number generators, commitments, and signatures, characterize the same…Quantum Monte Carlo Tree Search with Fixed Confidence
Recent advances in quantum computing are opening new opportunities for computationally intensive decision problems.Nash Equilibrium from Quantum-Field Entanglement
Entanglement harvesting transfers quantum field correlations to localized probes, yet whether these correlations can alter stable strategic behavior has remained unclear.AG-CoT: Verified Algorithmic Traces for LLM Program Synthesis on Clifford Circuits
Scientific code generation can produce executable programs that fail to compute the intended scientific object.Apparent Compression, Real Stability: The Intrinsic Dimension of Learning a Quantum Wavefunction
How many directions in weight space does training need?Occupation-selective photon-pair interactions in a flux-pumped SQUID resonator
Flux-pumped Josephson circuits provide a versatile platform for parametric photon generation and multimode bosonic control.In-plane optimal qubit operation with control fidelities exceeding 99 %
Hole spin qubits based on semiconductor quantum dots are promising for building future large-scale quantum computers owing to their all-electrical manipulation.High-fidelity geometric quantum gates exceeding 99.9% in germanium quantum dots
Achieving high-fidelity and robust qubit manipulations is a crucial requirement for realizing faulttolerant quantum computation.NxM-Version Programming for Quantum Software: High-Level Components across Frameworks and Engines
Quantum computing has in recent years evolved from a purely theoretical field to an active area in both academia and industry.Preparation-controlled relaxation in an overdamped RLC circuit: A pedagogical route to the spectral Mpemba effect
Can a system with more stored energy cool faster than one with less?Temperature--Hamiltonian Ambiguity in Strong-Coupling Quantum Equilibrium
Strong coupling generally drives a subsystem away from the Gibbs state of its bare Hamiltonian at the bath temperature.Local Many Worlds in Spacetime: Deutsch-Hayden Descriptors and Local Wavefunctions
Bell's theorem establishes that a local and spatially separable physical theory with no superdeterminism or retrocausality must be a theory of many local worlds.How many photons can a molecule scatter before its coherence is lost?
Molecular qubits held in conservative optical traps may lose coherence when they scatter photons from the trapping lasers.Minimal output entropy for the channels that add or remove a box of a Young diagram, and a Pauli principle for every permutation symmetry
Two irreducible representations of $U(d)$ whose Young diagrams differ by a single box are connected by four covariant quantum channels: the box can be removed or added, and one keeps either the new…The Fully Depolarizing Noise Conjecture for Entangled Physical States: A Twenty-Year Perspective
In this paper I revisit my 2006 conjecture on correlated errors in entangled physical qubits, originally proposed as a potential obstruction to quantum fault tolerance.Engineering Defect-Phonon Interactions Through Heterophase-Interfaces in Silicon Carbide Membranes
Point defects in wide-bandgap semiconductors offer spin and photonic qubits in a solid-state platform, making them important building blocks for quantum information processing, communication, and…Terminal-Register Certification for Finite-Measurement Learning of Multiscale Quantum States
Structured quantum-state learning not only depends on an expressive ansatz but also on an operational certificate that stays meaningful with finite measurements and imperfect implementation.