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 132
Motzkin-Straus Optimization on an Entropy-Computing Platform
We introduce a framework for combinatorial optimization using sum-constrained continuous quadratic programs solvable by QCi's Dirac-3S photonic entropy computer.Breaking the Shot-Noise Barrier: Cached Recycled Variance-Reduced Gradients for Quantum Optimization
Variational Quantum Algorithms (VQAs) rely heavily on classical optimization routines to navigate high-dimensional, noisy parameter landscapes.Entangling Atomic Quantum Memories Using High-Order Modulated Coherent States
High-order coherent-state modulation and collective midpoint measurements enable multi-ebit entanglement distribution between cavity-coupled atomic memories.Relative entropy of entanglement and tripartite minimal surface
We propose a holographic dual of the relative entropy of entanglement for a boundary tripartition $A:B:C$.Average-and Last-Iterate Lower Bounds for Optimistic Matrix Mirror-Prox in Quantum Zero-Sum Games
Optimistic matrix mirror-prox (OMMP) computes $ε$-approximate Nash equilibria in quantum zero-sum games with an $O(1/\varepsilon)$ average-iterate guarantee [arXiv:2311.10859].Joint measurability of coplanar POVMs
An unbiased qubit positive operator-valued measure (POVM) can be uniquely expressed in terms of the Bloch vector.Quantum quenches of scar states in the Affleck-Kennedy-Lieb-Tasaki model via Clifford augmented tensor network simulation
Clifford augmented methods have emerged as a powerful technique to simulate quantum circuits and many-body systems by exploiting the stabiliser structure found in said systems, whilst additionally…Classical Algorithms for Function Computation in Gaussian Boson Sampling
Gaussian boson sampling (GBS) seeks quantum advantage by sampling photon-number patterns generated with squeezed inputs and passive linear optics.Optical studies of negative g-factor dopants in an antiferromagnet: Nd:GdVO$_4$
Neodymium-doped gadolinium vanadate (Nd:GdVO$_4$) is a popular laser material at room temperature.Quantum Time-Lock Puzzles in the Quantum Random Oracle Model
A time-lock puzzle allows a sender to hide a message in a puzzle such that recovering the message requires substantially more sequential computation than the time required to generate the puzzle…Semi-Quantum Cryptography with Certified Deletion
Certified deletion allows a client to upload encrypted data to a server as a quantum state, then later request that the server delete their data and detect whether the server complies.Boundary-rank obstructions and measurement-assisted recovery in dissipative flat-band preparation
Number-conserving cooling can fail to prepare an interacting flat-band target when Pauli exclusion blocks its transfer destinations.Defect-Aware Parallel Atom Reloading Protocol for Neutral-Atom Quantum Computers
In this work, we propose a defect-aware parallel atom reloading protocol that reloads atoms based on defect information to increase the atom filling rate.Tight Post-Quantum Parallel Repetition for Private-Coin Arguments
We show that assuming the existence of homomorphic encryption, parallel repetition of all interactive arguments (after being run under homomorphic encryption) reduces the soundness error at a tight…Quantum-echo Markov process for combinatorial optimization
We introduce a quantum-echo Markov process for combinatorial optimization.Frequency comb generation in active optomechanical cavities
We numerically investigate frequency-comb generation in an electrically pumped vertical-cavity surface-emitting laser coupled to two mechanical modes of a suspended mirror.Certified Randomness with Optimal Rate
The generation of certified random bits is an emerging near-term application of quantum computers.The Commuting Local Hamiltonian Problem: Relativized Evidence Against BQP-Hardness
The commuting local-Hamiltonian (CLH) problem is a restriction of the local-Hamiltonian problem, in which the terms of the Hamiltonian are required to pairwise commute.Eigenstate thermalization at the edge of the many-body spectrum
It is well-known that thermalization breaks down in presence of an extensive number of symmetries or conservation laws that are mutually compatible or commuting with each other.Quantum Pseudorandom Error-Correcting Codes
Pseudorandom error-correcting codes (PRCs), introduced by Christ and Gunn [CRYPTO 2024], are classical error-correcting codes whose codewords are computationally indistinguishable from uniformly…