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7434 papers in quant-ph · page 121
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Five OPSs split into six categories
Local distinguishability of five orthogonal product states on bipartite and tripartite quantum systems
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Concatenated code cuts CV Gaussian error variance by 50 percent
A Concatenated Dual Displacement Code for Continuous-Variable Quantum Error Correction
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Koopman spectral method recovers quantum Hamiltonian parameters
Spectral analysis of the Koopman operator as a framework for recovering Hamiltonian parameters in open quantum systems
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Quench near three-spin multicritical point maximizes central spin entanglement
Generation of concurrence in a generalized central spin model with a three-spin interacting environment
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First explicit formula for three-row Kronecker coefficient
Algebraic Obstructions and the Collapse of Elementary Structure in the Kronecker Problem
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Oxygen ions create four quantum defect types in SiC
High-yield engineering and identification of oxygen-related modified divacancies in 4H-SiC
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The paper demonstrates a controllable oxygen-ion implantation method to create high-yield…
High-yield engineering and identification of oxygen-related modified divacancies in 4H-SiC
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SiC thin films enable electrical spin readout at 780-990 nm
Wavelength-Dependent Electrical Readout of Spin Ensembles in a Thin-Film SiC-on-Insulator Platform
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Photon coupling prepares excited states on quantum computers
Excited state preparation on a quantum computer through adiabatic light-matter coupling
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Local RL policy routes quantum entanglement as well as global rules
RELiQ: Scalable Entanglement Routing via Reinforcement Learning in Quantum Networks
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Blockade programs native controlled SWAP in atom arrays
Blockade-induced exchange primitives for scalable neutral-atom QPU
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Quantum sampling in embedded molecules reaches chemical accuracy
Quantum Simulation of Ligand-like Molecules through Sample-based Quantum Diagonalization in Density Matrix Embedding Framework
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Kerr-cat and transmon show Z X beamsplitter for parity readout
Experimental signatures of a $\hat{Z}\hat{X}$ beam-splitter interaction between a Kerr-cat and transmon qubit
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Transcorrelated QEVE places T-gate cost between cc-pVTZ and cc-pVQZ qubitization
Accuracy and resource advantages of quantum eigenvalue estimation with non-Hermitian transcorrelated electronic Hamiltonians
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Single photon violates Bell inequality via self-reference
Testing Single Photon Entanglement using Self-Referential Measurements
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Symmetric circuits generate protected Z_N surface codes
Holographically Emergent Gauge Theory in Symmetric Quantum Circuits
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Multiqubit gates beat decompositions in lazy quantum walks
Lazy Quantum Walks with Native Multiqubit Gates
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Coulomb coupling cools levitated nanoparticles to sub-kelvin
Quantum theory of electrically levitated nanoparticle-ion systems: Motional dynamics and sympathetic cooling
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Stochastic trajectories complete quantum mechanics as dynamical variables
Quantum Analytical Mechanics: Quantum Mechanics with Hidden Variables
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Compression cuts control overhead in quantum phase estimation
Phase Estimation with Compressed Controlled Time Evolution
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Quantum symmetry alone yields dark energy and Hawking radiation
Restoring a Missing Meta-Symmetry of Quantum Mechanics
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Higher-order Zeno sequences reach O(1/N^{2k}) error scaling
Higher-order Zeno sequences
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YBCO resonators cut neon film thickness below 100 nm for qubits
Real-time Monitoring of Neon Film Growth for Electron-on-Neon Qubits
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Superconducting diodes enable nonreciprocal half-iSWAP
Nonreciprocal quantum information processing with superconducting diodes in circuit quantum electrodynamics
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Method extracts local Hamiltonians from 2D tensor network states
Extracting conserved operators from a projected entangled pair state
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Fast iSWAP gates entangle neutral atoms over 20 micrometers
Fast Quantum Gates for Neutral Atoms Separated by a Few Tens of Micrometers
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Backward trap moves speed coherent state transport to quantum limit
Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols
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Single photon recoil maps spectrum of one molecular ion
Infrared absorption spectroscopy of a single polyatomic molecular ion
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Temperature-dependent drives boost quantum thermometry
Shake before use: universal enhancement of quantum thermometry by unitary driving
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Robotics cuts resistance spread in Josephson chips to 2%
Robotic chip-scale nanofabrication for superior consistency
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QNE needs O(d/ε²) copies for entropy estimation under bounded metric
Performance Guarantees for Quantum Neural Estimation of Entropies
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Optimal distillation and bases maximize QKD key rates
Processing Entangled Links Into Secure Cryptographic Keys
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Truncated expansions match exact many-body core spectra
Elucidating Many-Body Effects in Molecular Core Spectra through Real-Time Approaches: Efficient Classical Approximations and a Quantum Perspective
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Single-qubit rotations make J1-J2 ground states sign-free
Brute-force positivization of $J_1-J_2$ model ground states
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Atomic coherence maps vortex OAM into spin-orbit coupling
Spin-orbit coupling of optical vector vortices in coherently prepared media
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Quantum masked autoencoders recover images from partial data
Quantum Masked Autoencoders for Vision Learning
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Indefinite order yields thermalization outside definite-order range
Optimal Thermalization under Indefinite Causal Order with Identical and Asymmetric Baths
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Constraint embedding lifts QAOA feasible mass exponentially for permutations
Fundamental Limitations of QAOA on Constrained Problems and a Route to Exponential Enhancement
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Hybrid protocols obey c plus q squared lower bound
A Lifting Theorem for Hybrid Classical-Quantum Communication Complexity
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Single nonlinear mode reads squeezed state parameters from spectrum
Spectroscopy on a single nonlinear mode recognizes quantum states
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Entangled biphoton sources emulate Unruh detector dynamics
Quantum Optical Simulator for Unruh-DeWitt Detector Dynamics
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Orthogonal signals let one line control many qubits at once
Orthogonal frequency-division multiplexing for simultaneous gate operations on multiple qubits via a shared control line
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Interactions boost geometric heat pumping beyond non-interacting bound
Lindbladian approach for many-qubit thermal machines: enhancing the performance with geometric heat pumping by interaction
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Asymmetry bounds speed of quantum observable change
Quantum speed limit for observables from quantum asymmetry
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Non-Bloch bands keep adiabatic transport quantized absent gap closings
Adiabatic charge transport through non-Bloch bands
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RF phase tuning keeps ion SDK fidelity above 99.999 percent
High-Fidelity Raman Spin-Dependent Kicks in the Presence of Micromotion
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Z_N qudit codes support non-Clifford transversal gates at level 4
Automorphism in Gauge Theories: Higher Symmetries and Transversal Non-Clifford Logical Gates
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Scattering diverges at φ⁴ critical point from mass-gap closure
Real-time Scattering in \phi^4 Theory using Matrix Product States
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Doubling Krawtchouk polynomials solves inhomogeneous SSH chains
Inhomogeneous SSH models and the doubling of orthogonal polynomials
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This paper develops a framework to extend piecewise-deterministic stochastic unravelings…
Stochastic unravelings for Heisenberg picture and trace-nonpreserving dynamics