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5258 papers in quant-ph · page 18

  1. quant-ph 2026-05-08 reviewed
    Twirling protocol stabilizes MDI-QKD polarization without hardware

    Hardware-Free Polarization Stabilization for Measurement-Device-Independent Quantum Key Distribution via Correlated Twirling

    Papon Pewkhom +5

  2. quant-ph 2026-05-08 reviewed
    Hidden variables need time-ordering of choices for consistency with free selection

    Kochen-Specker nonlocal hidden variables must include time-ordering to allow for measurement independence of several agents

    Valerio Scarani +1

  3. quant-ph 2026-05-08 reviewed
    Symplectic method reduces quantum models while preserving physics

    Symplectic H2 Model Reduction for High-Dimensional Linear Quantum Systems

    Alfo Borzi +1

  4. quant-ph 2026-05-08 reviewed
    Residual energy in quantum annealing depends only on speed

    Box model of quantum annealing

    Yang Wei Koh +1

  5. quant-ph 2026-05-08 reviewed
    Tunneling adds refrigeration modes to measurement-powered quantum dot engines

    Nonselective generalized measurements as a resource for quantum thermal machines in a double quantum dot

    Bruno Carvalho +2

  6. quant-ph 2026-05-08 reviewed
    Causal definition of decoherence selects histories without states

    Decoherence without the state: A causal quantum Darwinist approach

    Nick Ormrod +3

  7. quant-ph 2026-05-07 reviewed
    Two Bell states keep constant coherence while others oscillate

    Analytic $C_{\ell_1}$ norm of Coherence Evolution for Bell States under a Two-Qubit Superconducting Hamiltonian

    Seyed Mohsen Moosavi Khansari

  8. hep-th 2026-05-07 reviewed
    Fuzzy sphere matrix model obeys chaos bound at all temperatures

    Real-Time Quantum Dynamics on the Fuzzy Sphere: Chaos and Entanglement

    S. K\"urkc\"uo\u{g}lu +1

  9. quant-ph 2026-05-07 reviewed
    Monotonic concave functions bound multiplayer game decay under repetition

    Multiplayer parallel repetition without dependency-breaking and anchoring variables: monotonic, concave amplification

    Pete Rigas

  10. math-ph 2026-05-07 reviewed
    Lindblad dynamics converge with 1/N relative entropy bounds

    Quantitative propagation of chaos for Lindblad dynamics

    Nina H. Amini +1

  11. quant-ph 2026-05-07 reviewed
    Encoded repeater simulation yields 0.91-fidelity logical pairs at 2000 km

    Realistic Simulation of Quantum Repeater with Encoding and Classical Error Correction

    Sagar Patange +6

  12. physics.chem-ph 2026-05-07 reviewed
    Positrons bind most strongly near nitrogen in five-membered rings

    Many-body theory predictions of positron binding energies in five-membered heterocycles involving N, O, S and NH substituents

    S. K. Gregg +1

  13. hep-ph 2026-05-07 reviewed
    Collider scattering mapped to quantum circuits

    A collider as a quantum computer

    Wei Xie +1

  14. quant-ph 2026-05-07 reviewed
    Counterdiabatic terms raise QAOA ratios on constrained portfolios

    Constrained Counterdiabatic Quantum Approximate Optimization Algorithm for Portfolio Optimization

    Jose Falla +1

  15. quant-ph 2026-05-07 reviewed
    Quantum annealing evolves spins to solve optimization and study many-body dynamics

    Quantum Annealing: Optimisation, Sampling, and Many-Body Dynamics

    Steven Abel +2

  16. quant-ph 2026-05-07 reviewed
    Energy envelope controls complex zeros of survival amplitude

    Tracing complex zeros of the quantum survival amplitude: How the energy distribution controls dynamical phase transitions

    Jakub Novotn\'y +3

  17. quant-ph 2026-05-07 reviewed
    Petz recovery fidelity plateaus with fragment size

    Quantum Darwinism and the quality of Petz recovery

    Juha Torvinen +2

  18. quant-ph 2026-05-07 reviewed
    Mid-circuit checks cut logical errors 54% in encoded quantum simulations

    Mid-Circuit Measurements for Clifford Noise Reduction in Hamiltonian Simulations

    James Brown +8

  19. quant-ph 2026-05-07 reviewed
    Mid-circuit checks cut quantum simulation errors by 54%

    Mid-Circuit Measurements for Clifford Noise Reduction in Hamiltonian Simulations

    James Brown +8

  20. quant-ph 2026-05-07 reviewed
    Two-qubit circuit encodes gluon splitting momentum and entanglement

    Physics inspired quantum algorithm for QCD splitting functions

    Gabriel Rouxinol +4

  21. quant-ph 2026-05-07 reviewed
    Two-qubit circuit encodes gluon splitting and entanglement

    Physics inspired quantum algorithm for QCD splitting functions

    Gabriel Rouxinol +4

  22. quant-ph 2026-05-07 reviewed
    Giant atom emits valley-polarized photons in tailored lattice

    Giant-atom-enabled quantum optics with valley-polarized photons

    Marcel A. Pinto +5

  23. cond-mat.quant-gas 2026-05-07 reviewed
    Exact link equates spin thermalization to linear-response spectra

    The Kubo-Thermalization Correspondence

    Songtao Huang +7

  24. quant-ph 2026-05-07 reviewed
    ML parameters yield shortest circuit for any diagonal matrix

    Machine Learning Approaches to Building Quantum Circuits for Sets of Matrices

    Matvei Fedin +1

  25. quant-ph 2026-05-07 reviewed
    ML extracts shortest quantum circuit for any-size diagonal matrix

    Machine Learning Approaches to Building Quantum Circuits for Sets of Matrices

    Matvei Fedin +1

  26. quant-ph 2026-05-07 reviewed
    Tree networks turn matrix product states into log-depth quantum circuits

    Practical Log-Depth Quantum State Preparation and Circuit Verification via Tree Tensor Network Compilation

    Angus Mingare +1

  27. quant-ph 2026-05-07 reviewed
    Pair potential generates entanglement in two-body Schrödinger-Newton model

    Entanglement generation in a two-body Schr\"odinger--Newton model

    Marcin P{\l}odzie\'n +3

  28. quant-ph 2026-05-07 reviewed
    ZNE helps only past a finite-shot boundary

    The finite-shot help-harm boundary of zero-noise extrapolation

    Vicenzo Scavino Alfaro

  29. physics.optics 2026-05-07 reviewed
    Single birefringent plate performs exact vector beam mapping

    A Unified SU(2) Framework for Vector Beam Transformations and Complex Beam Shaping

    Gayathri G T +1

  30. physics.optics 2026-05-07 reviewed
    One d-plate realizes exact vector beam transformations when condition holds

    A Unified SU(2) Framework for Vector Beam Transformations and Complex Beam Shaping

    Gayathri G T +1

  31. cs.IT 2026-05-07 reviewed
    Extra rows shrink degeneracy search space for quantum decoders

    Affine Subcode Ensemble Decoding for Degeneracy-Aware Quantum Error Correction

    Leo Wursthorn +6

  32. cs.IT 2026-05-07 reviewed
    Extra check-matrix rows shrink degeneracy space in quantum decoding

    Affine Subcode Ensemble Decoding for Degeneracy-Aware Quantum Error Correction

    Leo Wursthorn +6

  33. cond-mat.mes-hall 2026-05-07 reviewed
    Altermagnetic magnon bath adds nonlocal damping to LLG equation

    Engineering a driven-dissipative bath of altermagnetic quantum magnons for controlling classical dynamics of spins hosting spin waves, domain walls, or skyrmions

    Felipe Reyes-Osorio +1

  34. quant-ph 2026-05-07 reviewed
    Quantum channels contract at rates bounded by chi-squared SDPI

    Tight Contraction Rates for Primitive Channels under Quantum $f$-Divergences

    Matthew Simon Tan +2

  35. cond-mat.stat-mech 2026-05-07 reviewed
    Criticality emerges at spinodal points of first-order quantum transitions

    Criticality around the Spinodal Point of First-Order Quantum Phase Transitions

    Fan Zhang +2

  36. quant-ph 2026-05-07 reviewed
    Modified rhombus circuit achieves 500 μs relaxation away from frustration

    Revisiting the multi-mode rhombus circuit as a biased-noise qubit

    Pablo Aramburu Sanchez +5

  37. quant-ph 2026-05-07 reviewed
    Two-time statistics show memory beyond quantum regression theorem

    Multitime memory beyond the quantum regression theorem in sequential measurement statistics

    Paolo Luppi +2

  38. quant-ph 2026-05-07 reviewed
    Residual register signals early stop for quantum PDE solvers

    A Residual-Based Quantum Linear System Algorithm with Dynamic Stopping and Applications to Elliptic PDEs

    Xiantao Li

  39. quant-ph 2026-05-07 reviewed
    Lie-algebraic method defines catability for relativistic states of any spin

    Generalized Catability of Relativistic Quantum States Measurement in a Unified Lie-Algebraic Foldy-Wouthuysen (FW) Framework

    Abdelmalek Bouzenada +1

  40. quant-ph 2026-05-07 reviewed
    Expanded Hilbert space enables nonlinear QNNs on linear photonic chips

    Photonic-Implemented Efficient Deep Quantum Neural Network via Virtual-Driven Hilbert Space Expansion

    Haoran Ma +12

  41. hep-th 2026-05-07 reviewed
    Algebraic rings turn Yang-Mills equations into exact color waves and dyonic tubes

    Systematic Extraction of Exact Yang-Mills Solutions via Algebraic Tensor Ring Decomposition

    Yu-Xuan Zhang +1

  42. quant-ph 2026-05-07 reviewed
    Residual first harmonic sets cos(2φ) transmon lifetime limit

    Coherence limitations of a Fourier-engineered $\cos(2\varphi)$ transmon qubit

    Nataliia K. Zhurbina +6

  43. quant-ph 2026-05-07 reviewed
    Neural-quantum transcoding resists extreme channel noise

    End-to-End Neural and Quantum Transcoding for Compressed Latent Representation under Channel Noise

    Hyunho Cha +2

  44. quant-ph 2026-05-07 reviewed
    Pulsed laser clears blocking defects in ion traps

    Ablation Removal of Transport-Blocking Defects in Surface-Electrode Ion Traps

    Toby Maddock +5

  45. quant-ph 2026-05-07 reviewed
    Laser ablation clears ion-trap defects without venting

    Ablation Removal of Transport-Blocking Defects in Surface-Electrode Ion Traps

    Toby Maddock +5

  46. quant-ph 2026-05-07 reviewed
    Two-tone qubit drive generates magnon entanglement in large YIG spheres

    Macroscopic entanglement between two magnon modes via two-tone driving of a superconducting qubit

    Rong-Can Yang +3

  47. physics.optics 2026-05-07 reviewed
    Symmetry breaking tunes emission from coherent to Markovian in Lieb lattices

    From flat to narrow bands: Engineering quantum emission in a one-dimensional Lieb lattice

    Zhiyong Liu +2

  48. quant-ph 2026-05-07 reviewed
    Reed-Muller unfolding yields local factories for 10^{-17} fidelity T states

    Local distillation from Reed Muller codes unfolding

    Vivien Londe

  49. quant-ph 2026-05-07 reviewed
    Squeezing and memory restore precision in noisy frequency estimation

    Beating noise in frequency estimation with squeezing and memory in continuous-variable systems

    Ayan Patra +3

  50. quant-ph 2026-05-07 reviewed
    Meromorphic functions govern coherent quantum state preparation

    Meromorphic Quantum Computing

    Simon Burton +1