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 38
Shor's algorithm compiled on cat qubits: 22 593 qubits for RSA-2048 in 3.14 days
We present an end-to-end resource estimation of Shor's algorithm on superconducting cat qubits, from its mathematical description to the allocation and scheduling of physical qubits on a chip layout.Ground-state energy estimation compiled on cat qubits: 7 164 qubits for FeMoco-54 in 23.5 hours
We provide a detailed resource estimate of the state-of-the-art sum-of-squares block encoding algorithm for electronic structure Hamiltonians of Low et al. on superconducting cat qubits.Exact verification of Givens rotation circuits for efficient quantum phase estimation of iron-sulfur clusters
Givens rotations with angles stored in quantum registers account for much of the cost of published quantum phase estimation algorithms based on double-factorized tensor hypercontraction and spectral…Quantum Foundations Beyond Bell's Theorem: A Topical Review
We review a series of recent no-go theorems that extend the methodological and conceptual framework introduced by Bell's theorem to more sophisticated operational scenarios involving independent…The Geometry of Quantum Teleportation in Phase Space
We formulate the standard quantum teleportation protocol within the framework of deformation quantization, employing the Stratonovich--Weyl (SW) correspondence and the associated star product on the…Are quantum measurements universal?
With D. Aerts, we showed in 2014, within the extended Bloch representation of quantum mechanics, that the Born rule can be understood as resulting from a universal average over all the possible ways…Twisted Fourier Analysis of Quantum Weight Enumerators
A unified Fourier framework for quantum weight enumerators of prime-power-dimensional qudits is developed in this paper.Ontology without states: PBR as an argument for dynamics-first realism
The Pusey--Barrett--Rudolph (PBR) theorem is commonly taken to establish that a pure quantum state represents a physical property of the system to which it is assigned, rather than merely encoding…Reducing the cost of ancilla purification for Majorana quantum computation
Braiding Majorana zero modes does not by itself provide a universal set of quantum gates.Sample Complexity for Generative Learning of Quantum Measurement Data
Generative learning of a quantum measurement distribution from finite data requires choosing a model capacity that balances representation accuracy against estimation cost.Continuous variable quantum key distribution through a fading channel with minimal information leakage
Continuous variable quantum key distribution enables two parties to extract provably secure keys for cryptography by exploiting aspects of quantum mechanics.Perspective on AI and quantum open-source software
Quantum open-source software provides essential infrastructure for quantum science, and artificial intelligence (AI) is reshaping its capabilities and transforming its development.Exact Positive-P Simulation of Open Quantum Spin Systems with Generalized Density Matrix Formalism
The positive-P representation for bosons allows scalable exact simulations of many-body open quantum systems, provided dissipation is strong enough to stabilise stochastic trajectories.Coherent control and high purity single-photon emission from telecom quantum dots on metamorphic InGaAs
Semiconductor quantum dots emitting in the telecommunication O- and C-bands are promising candidates as single-photon sources for fiber-based quantum communication.Neutrinos as Quantum Information Carriers? A Gap Analysis Against the DiVincenzo Criteria
Photons, trapped ions, neutral atoms, and superconducting circuits are all well-known quantum information platforms.Rank-one Factored Gradient Descent without Restricted Isometry: Application to Quantum Pure State Tomography on Multi-Qubits
Factored gradient descent (FGD) is a scalable nonconvex method for low-rank positive semidefinite matrix recovery, in which the rank and positivity constraints are satisfied automatically by the…Target Detection with Asymmetric Gaussian Classical Correlation
We study the characteristics of two-mode classical correlation in Gaussian regime, which is produced by impinging a thermal state into a beam splitter.Quantum ordinal selection with two comparisons
We study the optimal probability of selecting an object within a prescribed rank threshold using at most two noiseless coherent pairwise comparisons of an unknown strict order.Measure of set coherence
Set coherence is a quantum resource for a set of states that characterizes whether a collection of quantum states contains coherence, namely whether these states fail to be simultaneously incoherent…Helicity-Selective Electron-Phonon Coupling Between $PT$-Partner States in $2H$-bilayer MoS$_2$
Rotational symmetry ($C_n$) constrains chiral phonons, but how other symmetries affect their interactions remains largely unexplored.