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 159
Exact High-Temperature Quantum Area Law
We prove a $β^{2}$ area law for the quantum mutual information of thermal states of local lattice Hamiltonians: for any bipartitioning $A|B$ and all inverse temperatures $β$ below a critical value…A Quantum Framework for K Coloring of Graphs
Graph coloring is a well-known NP-complete problem with applications in scheduling, register allocation, frequency assignment, and network optimization.Feedback-based quantum optimization with low depth and measurement
Feedback-based ALgorithm for Quantum OptimizatioN (FALQON) is a hybrid quantum-classical algorithm for solving combinatorial optimization problems, which circumvents classical parameter optimization…An exponential strong converse for private communication over degradable quantum channels
We prove an exponential strong converse for the unassisted private capacity of every finite-dimensional degradable quantum channel.Wide-Mass-Scanning-Range Setup and Phase-Resolved Protocol for Axion Dark Matter Detection
We propose a paradigm for quantum enhanced axion dark matter search, which does not rely on power measurements.Stable Long-Range Charging and Boundary-Mediated Thresholds in a Waveguide Quantum Battery
The waveguide-integrated architecture holds promise for scalable on-chip integration of a charger, a transmission channel, and a quantum battery in a modular, independently optimizable design.Beyond NISQ Assumptions: One-time Memory in the Classically Accessible Random-Oracle Model
Quantum information enables many cryptographic primitives that are impossible in the classical world.Fewer Qubits, Better Choices: Coupling-Aware Sub-QUBO Selection for Quantum-Assisted Traffic Zone Partitioning
Near-term quantum optimizers accommodate roughly a hundred binary variables, requiring large Quadratic Unconstrained Binary Optimization problems to be decomposed into hardware-sized subproblems…Exact Gaussian Entanglement Dynamics and Initial-State Control in Coupled Parametric Oscillators
We study two bilinearly coupled harmonic oscillators driven by a common time-dependent spring.Generation of arbitrary quantum states in cavity-atom systems with a three-level ancilla
We generalized the seminal work of Law & Eberly, and propose a protocol to generate arbitrary quantum states with a three-level atom as an ancilla in a more efficient manner.Reduced scaling implementation of the coupled cluster-based static embedding method, MPCC with density fitting
An improved algorithm to implement our previously proposed static quantum embedding method MPCC (J.Quantum Machine Learning for Cybersecurity Applications: Simulation and Hardware Validation
Under tight feature and compute budgets, classical threat detection pipelines often degrade on near-decision-boundary events.The wiring sets a phase-blind quantum memory's gap, the weight caps its coherence
Engineered dissipation corrects errors, yet a memory's phase decays.Toroidal-Core Certificates for PPT-Squared Diagonal Orthogonal Covariant Channels
The positive-partial-transpose-squared (PPT-squared) conjecture asks whether the composition of two positive-partial-transpose (PPT) quantum channels must be entanglement breaking (EB).Genuine Multi-Entropy of Fully Symmetric Gaussian States
We study the tri-partite genuine Rényi multi-entropy of fully symmetric Gaussian states as a function of the squeezing parameter for different total number of bosonic modes under different subsystem…A Generalized Stein Lemma for Quantum Channels
We prove a generalized quantum Stein lemma for parallel discrimination of an arbitrary finite-dimensional channel against families of alternative channels.Classification of Generalised Triorthogonal Codes through Length 54
Magic state distillation is a widely considered primitive in fault-tolerant quantum computation for the preparation of high-fidelity non-Clifford resources.From Received Power to Certified Secret Keys: A General Method for Bridging Classical FSO Link Budgets and Decoy-State QKD
Received optical power determines photon arrival flux, but photon arrival flux does not certify a quantum key.Quantum-circuit simulation of three-flavor neutrino oscillations: vacuum, matter, and CP diagnostics
We simulate three-flavor neutrino oscillations on two-qubit quantum circuits.Room-temperature quantum-sensing molecular crystals grown in minutes
Quantum sensing increasingly demands materials combining room-temperature optical spin addressability and coherent control with rapid, accessible fabrication.