INDEX
Every paper Pith has read and judged, in one searchable index.
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quant-ph arXiv submitted 2026-07-31Quantum online tomography now matches classical sample rates
Sitan Chen +3 · “Online Shadow Tomography Matching the Classical Bounds”
2607.29686 -
quant-ph arXiv submitted 2026-07-31Estimating a state's spectrum costs almost as much as tomography
Marco Fanizza +2 · “Spectrum Estimation is Almost as Hard as Tomography”
2607.29680 -
cs.DS arXiv submitted 2026-07-31Kikuchi hierarchy reaches log-free kXOR sample bound
Alexander Schmidhuber +1 · “The Kikuchi Hierarchy is Sharp for $k$XOR”
2607.29672 -
quant-ph arXiv submitted 2026-07-31Fermionic entropy is a strong
Lorenzo Leone +1 · “Fermionic entropy: an efficiently measurable strong monotone for non-Gaussianity”
2607.29670 -
quant-ph arXiv submitted 2026-07-31Release-free phononic crystal hits strong microwave coupling
Joey Frey +4 · “Release-free phononic crystal with strong microwave coupling”
2607.29666 -
cond-mat.stat-mech arXiv submitted 2026-07-31One condition fully decides Yang–Baxter integrability
Mizuki Sanatani +2 · “A Simple Necessary and Sufficient Condition for Yang--Baxter Integrability”
2607.29660 -
quant-ph arXiv submitted 2026-07-31Electron injection flips helical nanoribbons to one shape
Radha Balakrishnan +2 · “Quantum geometric potential induced conformational transitions in elastic helical nanoribbons”
2607.29623 -
cond-mat.str-el arXiv submitted 2026-07-31Four-Majorana correlations cross the bulk undamped
Gennady Y. Chitov · “Unwithered Majorana fermions in the bulk of a quantum chain”
2607.29615 -
quant-ph arXiv submitted 2026-07-31Telecom time-bin conversion preserves ion-photon entanglement at 96.3%
Christian Haen +7 · “Telecom-compatible polarization-to-time-bin conversion of atom-photon entanglement for heterogeneous quantum networks”
2607.29609 -
quant-ph arXiv submitted 2026-07-31Syndrome data alone can locate lost qubits
Shin Nishio +4 · “Qubit Loss Inference with Stabilizer Codes without Leakage Detection Units”
2607.29603 -
quant-ph arXiv submitted 2026-07-31Quantum algorithm reproduces power-grid resonance modes
Ankit Kumar Das +2 · “Quantum computing-based solver for interacting power grids”
2607.29582 -
quant-ph arXiv submitted 2026-07-31Recover inelastically scattered electron quantum states with OAM data
Amir H. Tavabi +12 · “Quantum tomography of inelastic electron scattering \emph{via} orbital angular momentum states”
2607.29565 -
quant-ph arXiv submitted 2026-07-31Correlated two-photon dissociation hits 99.99% spatial entanglement
Krishna Rai Dastidar · “Comparison of Spatial Entanglement between dissociated atom and ion : molecular ion photo-dissociated by sequential two-photon absorption and correlated two-photon absorption”
2607.29556 -
quant-ph arXiv submitted 2026-07-31Correlated photons make stronger atom-ion entanglement
Krishna Rai Dastidar · “Comparison of Spatial Entanglement between dissociated atom and ion : molecular ion photo-dissociated by sequential two-photon absorption and correlated two-photon absorption”
2607.29556 -
quant-ph arXiv submitted 2026-07-31iSWAP gates are the fastest mixers in random quantum circuits
Yanying Liang +1 · “iSWAP maximises the second-moment spectral gap in random quantum circuits”
2607.29551 -
cond-mat.mes-hall arXiv submitted 2026-07-31Rabi oscillations start one cavity round-trip late
Noureddine Charrouj +6 · “Delayed Formation of Landau Polaritons in Phase-Resolved THz Spectroscopy”
2607.29501 -
cond-mat.mes-hall arXiv submitted 2026-07-31Polariton Rabi oscillations begin one cavity round-trip late
Noureddine Charrouj +6 · “Delayed Formation of Landau Polaritons in Phase-Resolved THz Spectroscopy”
2607.29501 -
quant-ph arXiv submitted 2026-07-31Quantum reservoir beats classical net on oscillator forecast
Annemarie Wolff +5 · “A Quantum Reservoir for Neurodynamical Forecasting”
2608.00139 -
math-ph arXiv submitted 2026-07-31Exponential decay emerges from dense discrete spectra
Tamim Al-Qaiwani +1 · “On the Emergence of Exponential Decay from Discrete Spectra for Friedrichs Hamiltonians”
2607.29485 -
quant-ph arXiv submitted 2026-07-31Multimode interferometer equals parallel single-mode SU(1,1) sensors
Sonu Jana +4 · “Phase Sensitivity of Spectrally Multimode SU(1,1) Interferometers with Waveguide based Optical Parametric Amplifier”
2607.29469 -
quant-ph arXiv submitted 2026-07-31Quantum algorithm breaks square-root barrier for n! mod p
Yann Tal · “Quantum Algorithms for Modular Factorials”
2607.29453 -
quant-ph arXiv submitted 2026-07-31A time-reversed surface code delivers erasure scaling with no mid-circuit checks
Margaret Pavlovich +3 · “Erasure surface code circuit without mid-circuit erasure checks”
2607.29443 -
quant-ph arXiv submitted 2026-07-31Moonwalking code gets erasure-class scaling without mid-circuit checks
Margaret Pavlovich +3 · “Erasure surface code circuit without mid-circuit erasure checks”
2607.29443 -
hep-th arXiv submitted 2026-07-31First law of proto-area entropy: coefficient 1/3
Ling-Zheng Xia +1 · “First Law of Proto-Area Entropy from Modular Spectral Geometry”
2607.29432 -
quant-ph arXiv submitted 2026-07-31Variational method resums Magnus series for driven quantum systems
Ibsal Assi +2 · “A Variational Framework for Time-Dependent Quantum Systems with Applications to Floquet Hamiltonians”
2607.29418 -
nucl-th arXiv submitted 2026-07-31Equation-of-motion method works on any correlated state
Andrea Porro · “Revisiting the Equation-of-Motion Method: A Universal Framework for Correlated Quantum Systems”
2607.29396 -
quant-ph arXiv submitted 2026-07-31Symmetry cuts quantum inversion cost from exponential to polynomial
Jizhe Lai +3 · “Algebraic Speedups for Exact Inversion of Hamiltonian Evolutions”
2607.29382 -
quant-ph arXiv submitted 2026-07-31Eigenvalue sums set the exact cost of reversing hidden dynamics
Jizhe Lai +3 · “Algebraic Speedups for Exact Inversion of Hamiltonian Evolutions”
2607.29382 -
astro-ph.IM arXiv submitted 2026-07-31Lantern wavefront sensing capped by quantum limit: 1/2 rad per photon
Kalaga Madhav · “Information limits of photonic lantern wavefront sensing: a Fisher- and quantum-Fisher-information framework and its relation to Fourier-filtering sensitivity limits”
2607.29342 -
quant-ph arXiv submitted 2026-07-31Quantum battery keeps charge
Emil \"Ostberg +4 · “Charging and Discharging a Hubbard-Holstein Quantum Battery: Specific Mechanisms and General Insights”
2607.29339 -
quant-ph arXiv submitted 2026-07-31Measurement-independence cost is exactly R/(2R+2) for Mermin states
Aaron Alai · “Exact minimum measurement dependence for faithful local deterministic models of multipartite GHZ-Mermin correlations”
2608.00124 -
quant-ph arXiv submitted 2026-07-31Use zero reflection so one photon becomes a pair at ~90% efficiency
Samuel Napoli +4 · “Non-Hermitian Quantum Nonlinear Optics with Single Photons”
2607.29313 -
quant-ph arXiv submitted 2026-07-31Quantum reservoir memory made Fisher-orthogonal for finite shots
Ce Wang +1 · “Fisher-Orthogonal Memory in Quantum Reservoir Computing”
2607.29219 -
quant-ph arXiv submitted 2026-07-31Chiral magnons transfer spin-qubit states at 95 percent fidelity
Martijn Dols +5 · “Chiral magnons for spin-qubit state transfer”
2607.29206 -
quant-ph arXiv submitted 2026-07-31Noisy interconnects barely dent distributed lattice-surgery threshold
Nitish Kumar Chandra +2 · “Towards the Characterization of Logical Errors in Distributed Lattice Surgery”
2607.29186 -
quant-ph arXiv submitted 2026-07-31Universal entanglement law appears when two conservation laws merge
J. Himmelsbach +2 · “Entanglement in bipartite systems with symmetry: coupled chaotic kicked Bose-Hubbard systems”
2607.29165 -
cond-mat.mes-hall arXiv submitted 2026-07-31High-resistivity SOI is worst for cryogenic circuits
Simon Messelot +13 · “Origins of microwave losses in superconducting circuits made with silicon-on-insulator substrates”
2607.29154 -
quant-ph arXiv submitted 2026-07-31A ranking model beats Qiskit's four transpiler levels
Piotr Malkowski +6 · “Transpiler Autotuning with Predictive Models for Quantum Circuit Optimization”
2607.29145 -
quant-ph arXiv submitted 2026-07-31Databases beat standard simulators on memory for most circuits
Andrei Ilinescu +2 · “InferQ: A Database-Oriented Benchmark for Quantum Circuits Simulation”
2607.29134 -
quant-ph arXiv submitted 2026-07-31Databases beat a quantum simulator on memory in over half of cases
Andrei Ilinescu +2 · “InferQ: A Database-Oriented Benchmark for Quantum Circuits Simulation”
2607.29134 -
quant-ph arXiv submitted 2026-07-31Co-design unlocks sub-threshold two-qubit gates in silicon
Lorenzo D'Onofrio +2 · “Numerical Optimization of Two-Qubit Gates in Silicon Flip-Flop Qubit Arrays under Electrical Control”
2607.29123 -
quant-ph arXiv submitted 2026-07-31Covariant phase space quantization drops the Ostrogradsky ghost
Jie-qiang Wu +1 · “Canonical quantization of the Pais-Uhlenbeck oscillator with a higher-derivative perturbation: a covariant phase space approach”
2608.00108 -
quant-ph arXiv submitted 2026-07-31Linear dimension, not entanglement, sets the parity-game threshold
Jayashree Karmakar +8 · “On the Origin of Beyond-Classical Advantage in the Parity-Permutation Problem”
2607.29073 -
quant-ph arXiv submitted 2026-07-31Isometry conjugation solved: exact fidelity
Satoshi Yoshida +1 · “Optimal complex conjugation of unknown isometry channels”
2607.29054 -
quant-ph arXiv submitted 2026-07-31Finite engine size alone caps work reliability at high temperature
Gabriella G. Damas +4 · “Finite-size reliability of homothetic quantum Otto engines”
2607.29050 -
quant-ph arXiv submitted 2026-07-31Magnetic field tunes spin squeezing onto 10^20 nuclei
He-bin Zhang +2 · “Nuclear Spin Squeezing Based on Spin-Exchange Collisions”
2607.29046 -
quant-ph arXiv submitted 2026-07-31One delocalized photon violates Bell above 82.6% efficiency
Christoph F. Wildfeuer · “Bell violation with path-entangled number states under realistic detection”
2607.29012 -
quant-ph arXiv submitted 2026-07-31Minimal nonlocality now extends to unequal dimensions
Ben-Hao Zhao +3 · “Construction of Sets of Orthogonal Quantum States with Minimal Nonlocality in Bipartite and Tripartite Systems of Unequal Local Dimensions”
2607.28998 -
quant-ph arXiv submitted 2026-07-31Researchers build first tailored non-Hermitian Hamiltonians
Yuntao Xiao +8 · “Parent Hamiltonian and intrinsic phase transition in non-Hermitian photonic systems”
2607.28964 -
quant-ph arXiv submitted 2026-07-31One matrix sets the ceiling on multi-task quantum capacity
Zishuo Ren +2 · “The Shape of Information: Global Information Geometric Limits in Multi-task Quantum Systems”
2607.28961