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    Disciplines / Research questions

    物理学

    691 个研究主题 · 2739 个问题

    晶体管会停止发展吗？6 个问题

    1. Validity and mechanistic basis of a sub-exponential (logarithmic-integral) successor to Moore's and Koomey's laws

      未解决约 4 年

    2. Contacted-poly-pitch scaling limits of gate-all-around nanosheet CMOS: how much lateral-pitch scaling remains, and is the reported contact-limited floor a hard physical limit or a transient of current contact technology?

      未解决不足 1 年

    3. Completing a system-level, uncertainty-quantified benchmarking methodology for beyond-CMOS logic devices

      未解决约 13 年

    4. Can a ferroelectric negative-capacitance FET act as a genuine steady-state steep-slope logic switch?

      未解决约 18 年

    5. Closing the gap between ab initio upper bounds and realistic devices for ultimately scaled 2D-material CMOS: contacts, oxide disorder, variability, and experimental validation of HfS2/ZrS2\mathrm{HfS}_2/\mathrm{ZrS}_2 MOSFETs and the dynamically doped FET

      未解决约 5 年

    6. Lasting negative composite gate-insulator capacitance in ferroelectric-gate field-effect transistors

      未解决约 18 年
    精确质量谱2 个问题

    1. Fate of the S-matrix poles and the inelastic phase of the high-temperature Ising field theory: the open problems of Ising Spectroscopy II

    2. Mass gap and exact solvability of the three-dimensional quantum crystal (coupled, interlaced XXZ chains)

    精细结构常数α\alpha是否随时间变化？2 个问题

    1. Varying fine-structure constant: what mechanism can reconcile a high-redshift detection with local atomic-clock bounds

      未解决约 25 年

    2. Discriminating spatial from temporal variation of the fine-structure constant

      未解决约 14 年
    局域概率3 个问题

    1. The ψ\psi–ψ\psi sector of height correlations and the local c=−2c=-2 logarithmic conformal field theory of the two-dimensional Abelian sandpile model

    2. Universality of boundary height probabilities in the two-dimensional Abelian sandpile beyond height zero: the Jeng–Piroux–Ruelle linear relations, lattice symmetry conditions, and mixed boundary conditions

    3. Algebraic Bethe ansatz construction of multiple-integral representations of multi-point local height probabilities for the unrestricted solid-on-solid model

    局域量子逆问题4 个问题

    1. Completing the quantum inverse problem in separation of variables: reconstruction of all local operators and their form factors for the open spin-1/2 XXZ chain with non-diagonal boundaries

      未解决约 14 年

    2. Quantum inverse problem and determinant form factors for the antiperiodic XXZ spin-s chain by quantum separation of variables

      未解决约 14 年

    3. The quantum inverse problem in separation of variables: dual-variable operator representations beyond the Toda chain, the homogeneous limit, and correlation functions

      未解决约 23 年

    4. Quantum inverse problem for local operators in continuum quantum gases solvable by the nested Bethe ansatz (Gaudin–Yang model)

      未解决约 5 年
    局域一致性与三体散射一致性1 个问题

    1. Exact diffractive three-particle scattering in one dimension for arbitrary nonintegrable contact couplings, its finite-range validity, and kinetic consequences

    具有绝对保密性的量子密码通信6 个问题

    1. Independent security determination and pre-shared-key cost of probability key distribution (PKD)

      未解决约 2 年

    2. Restoring rigorous detector-side-channel security to detector-device-independent quantum key distribution

      未解决约 11 年

    3. Non-asymptotic security completion of measurement-device-independent quantum secure direct communication: finite-key secrecy capacity, public-randomization leakage, and device-level characterization of the gain gap

      未解决约 6 年

    4. Removing the superfluous key-length factor from the algebraic composable finite-key bounds for generalized BB84 and extending the proof beyond BB84-like protocols

      未解决约 4 年

    5. Rigorous security analysis of unconditionally secured classical key distribution via quantum superposition and unitary transformation (USCKD): proof or break of the double Mach–Zehnder protocol

      未解决约 8 年

    6. Certification-grade composable security proof of decoy-state BB84 under realistic source and detector imperfections, via modular proof components

      未解决约 1 年
    聚变堆结构与功能材料的特性6 个问题

    1. Unresolved embrittlement mechanisms of neutron-irradiated ITER-specification tungsten: fracture-mode diversity, grain-boundary pores, Re/Os transmutation segregation, post-irradiation thermal-exposure artifacts, and true grain size

      未解决约 5 年

    2. Simultaneous qualification of structural materials, first-wall/divertor components, and plant architecture for a commercially reliable fusion power plant

      未解决约 21 年

    3. Microstructural mechanisms and fluence limits of neutron-irradiation embrittlement of potassium-doped and rhenium-alloyed tungsten

      未解决约 5 年

    4. Microscopic deuterium trapping sites and retention mechanisms in advanced tungsten-based plasma-facing materials (W–V, W–Y2O3, W–ZrC)

      未解决约 8 年

    5. Microstructural origin of neutron-irradiation hardening in pure and ZrC-reinforced tungsten and the transferability of BR2 fission-reactor data to fusion service conditions

      未解决约 6 年

    6. Nuclear-grade SiC/SiC composites under the coupled fusion first-wall irradiation environment: simultaneous displacement damage, helium, hydrogen, and solid transmutants to end-of-life dose

      未解决约 15 年
    聚合物晶体生长动力学6 个问题

    1. Molecular origins of polymer crystal growth rates and regime transitions: replacing the phenomenological parameters of the Lauritzen-Hoffman growth equation with a quantitative molecular account

      未解决约 66 年

    2. Precursor location and structure for secondary nuclei in lamellar polymer crystal growth

      未解决约 6 年

    3. Open questions in the growth, structure, and dynamics of poly[3-(2'-ethylhexyl)thiophene] (P3EHT) crystals: validity of the extended one-dimensional Avrami kinetics model, unconstrained all-atom structure determination, multi-spin double-quantum NMR distance bounds, and the mechanism of thickness-dependent crystallization

      未解决约 6 年

    4. Microscopic foundation of the kinetic chain-folding mechanism in polymer crystallization: stem-formation and attachment-rate parameters, entanglement effects, and lamellar thickening kinetics

      未解决约 13 年

    5. Molecular-Weight Dependence of Polymer Crystallization: Decomposing the Nucleation-Rate Scaling and Identifying the Active Heterogeneous Nucleation Sites

      未解决约 19 年

    6. Unified self-poisoning theory of polymer crystal growth: simultaneous stem lengths and polydisperse polymers

      未解决约 2 年
    绝热量子计算8 个问题

    1. A fault-tolerance threshold theorem for adiabatic quantum computation under simultaneous decoherence and control errors

      未解决约 19 年

    2. Optimal spectral gap and minimal local dimension for universal adiabatic quantum computation: the surviving open core of the Aharonov–van Dam–Kempe–Landau–Lloyd–Regev open questions

      未解决约 22 年

    3. Clean inverse-square spectral-gap dependence for rigorous elementary quantum adiabatic runtime bounds

      未解决约 20 年

    4. Asymptotic scaling of the minimum spectral gap of the quantum-walk-inspired adiabatic algorithm for graph isomorphism

      未解决约 12 年

    5. Thermally assisted adiabatic quantum computation beyond the two-level Markovian anticrossing: multi-level spectra, non-Markovian and low-frequency-noise environments, and physically realizable super-Ohmic baths

      未解决约 18 年

    6. Extending eigenstate-ansatz and Weyl-decomposition spectral gap bounds to modified circuit-to-Hamiltonian constructions

      未解决约 7 年

    7. Quantitative minimum-gap scaling for no-crossing adiabatic Hamiltonians: the efficiency problem of the Zhang–Yu–Tong gap theorem

      未解决约 11 年

    8. Computational Power of Constant-Gap Adiabatic Quantum Computation in More Than One Dimension

      未解决约 17 年
    开放量子自旋链3 个问题

    1. Polynomiality and mutual commutativity of the Baxter Q-operator for the open XXZ chain with diagonal boundaries (Vlaar-Weston, Conjecture 6.3)

    2. Reflection KK-matrices for the multiparametric and general twisted orthosymplectic vertex models Uq[osp(2)(2n+2∣2m)]U_q[\mathrm{osp}^{(2)}(2n+2|2m)]

    3. Boundary roots and strong zero modes in the gapped open XXZ chain: operatorial identity and statistical-mechanical fate

    颗粒介质中的声散射7 个问题

    1. Elastic wave transmission in polydisperse and disordered granular packings: pressure and disorder dependence, P-S mode conversion, rotational-mode branches, and micro-based continuum dynamics

      未解决约 18 年

    2. Approach of a three-dimensional granular packing to the sonic-vacuum limit under isotropic low confinement pressure

      未解决约 6 年

    3. Predictive mapping from granular microphysics to effective wavenumber-domain diffusion for wave scattering at a granular–elastic solid interface

      未解决不足 1 年

    4. Ramsauer–Townsend resonances in precompressed granular chains: general impurity arrangements and disorder

      未解决约 10 年

    5. Time-reversal fidelity versus coda arrival time and targeted interior high-amplitude focusing of ultrasound in granular packings

      未解决约 10 年

    6. Anomalous acoustic absorption and structural control of the transparency window in dense granular suspensions

      未解决不足 1 年

    7. Vector-elastic, three-dimensional, and boundary-aware extension of RTE-based grain-scale inversion in granular media

      未解决约 1 年
    颗粒物质的动力学问题和统计力学描述7 个问题

    1. A physically measurable granular temperature for dense granular flows: bulk inference from dense tracers and a classification of fluctuation contributions

      未解决约 5 年

    2. Open problems of granular solid hydrodynamics: principled determination of transport coefficients and energy closures, the Edwards-statistics limit, and the range of validity

      未解决约 17 年

    3. Closing the μ(I,Θ)μ(I,Θ) rheology of dense granular flows: a validated fluctuation-energy balance for granular temperature and the universality of the exponent pp

      未解决约 6 年

    4. The granular potential beyond the Edwards volume ensemble: equilibrium criteria, protocol dependence, and measurement in higher dimensions

      未解决约 4 年

    5. History memory and minimal state variables for tapped granular media

      未解决约 37 年

    6. Precollisional velocity correlations, inelastic collapse, and the validity of the Boltzmann description of the strongly inelastic homogeneous cooling state

      未解决约 19 年

    7. Microscopic theory of the zero-temperature jamming transition in frictional, polydisperse granular packs: structural signatures, force-chain buckling, and protocol-dependent length scales

      未解决约 16 年
    可放大自旋极化晶体管4 个问题

    1. Quantifying and realizing the bifurcation-based spin-current amplifier: achievable spin gain, input-polarization threshold, noise limits, and clocked operation at room temperature

      未解决约 17 年

    2. Power gain and transistor operation in a three-terminal GaMnAs quantum-well double-barrier resonant-tunneling spin device

      未解决约 16 年

    3. Magnetocurrent sign control and power amplification in the GaMnAs-based semiconductor spin hot-carrier transistor

      未解决约 19 年

    4. Realizability of the zigzag-graphene-nanoribbon bipolar spin diode and spin transistor: finite-temperature edge magnetism, contact and disorder nonidealities, and practical voltage gain

      未解决约 15 年
    可积初态3 个问题

    1. Rigorous derivation of the finite-interaction overlap formula for integrable initial states of the one-dimensional Hubbard model

    2. Integrable boundary states and exact overlap formulas for the Haldane-Shastry spin chain: analytical quench dynamics for a long-range integrable model

    3. Equivalence of the three integrability notions for matrix product states, the reducible/non-invertible boundary intertwiners, and the spectra of the double-row quantum transfer matrices

    可积模型作为数值算法基准3 个问题

    1. Rigorous convergence and error theory for imaginary-time matrix product state algorithms in the thermodynamic and gapless regimes

    2. Origin of the T=2T=2 superfluid-boundary shift in the tensor-network annealing algorithm for two-dimensional thermal states

    3. Formal theory and domain of validity of the transfer-matrix–effective-Hamiltonian spectral correspondence in finite-entanglement matrix product states

    可积缺陷（integrable defects）2 个问题

    1. Momentum-conserving type-II defects for the exceptional simply-laced affine Toda field theories e6(1)e_6^{(1)}, e7(1)e_7^{(1)}, e8(1)e_8^{(1)} and their defect Lax pairs

    2. Integrability of the Boussinesq equation with momentum-conserving defects, and the origin of its anomalous soliton-defect scattering

    可积相关扰动3 个问题

    1. Finite-size generators for weak integrability breaking in the Heisenberg chain: asymptotic scaling, quasi-locality, and exact recovery of the boost-generated adiabatic gauge potential

    2. Geometry of the space of integrable two-dimensional quantum field theories: tangent-space classification, UV completion of CDD-deformed theories, and locality of the form-factor expansion

    3. Nonperturbative validity, anomaly refinement, and model-class extensions of the quantum integrability index for two-dimensional sigma models

    夸克和胶子是如何构成核子的？6 个问题

    1. Which gluons constitute the nucleon: the binding-versus-valence gluon question in QCD spin and momentum decompositions

      未解决约 15 年

    2. Completing the proton spin decomposition: small-x gluon helicity, chiral and one-gluon-exchange corrections to the quark spin, and the orbital angular momentum of quarks and gluons

      未解决约 38 年

    3. Robustness of double-logarithmic small-xx saturation of the proton spin sum rule: exact amplitudes, uncertainty budget, and orbital angular momentum

      未解决约 2 年

    4. Force-type matrix elements behind the twist-four gravitational form factors in the QCD mass decomposition of the proton and pion

      未解决不足 1 年

    5. Momentum-transfer dependence of the quark and gluon gravitational form factors of the nucleon: gluon multipole shape, large-∣t∣|t| behavior, and microscopic origin

      未解决约 2 年

    6. Which gauge-invariant Cho–Duan–Ge decomposition of the nucleon spin is physically realized: discriminating observables for the binding-gluon versus valence-gluon split

      未解决约 15 年
    夸克星6 个问题

    1. Can color-spin-locked quark matter hidden in compact stars power fast radio bursts? Ground-state competition, flux-expulsion dynamics, and emission efficiency

      未解决约 1 年

    2. Robust adjudication between the neutron-star and self-bound quark-star scenarios for compact stars

      未解决约 42 年

    3. Viability of self-bound colour-flavour-locked quark stars for HESS J1731-347, GW190814, and GW170817 under rapid rotation, flavour-dependent parameters, and perturbative-QCD consistency

      未解决约 3 年

    4. Existence and observational identification of quark stars: determining the cold dense quark-matter equation of state (including the bag constant) from QCD, and distinguishing quark stars from neutron stars

      未解决约 54 年

    5. Vacuum-pressure treatment and chemical-potential-dependent dynamical mass in the CJT/Dyson-Schwinger quark-matter equation of state for compact stars

      未解决约 15 年

    6. Neutron star or quark star: the nature of the compact object in the eclipsing accreting millisecond X-ray pulsar Swift J1749.4-2807

      未解决约 16 年
    离子阱量子计算5 个问题

    1. Fault-tolerance completion and error-model validation of the SDQC shuttling-based distributed trapped-ion quantum computing architecture

      未解决不足 1 年

    2. A rigorous methodology for comparing component-level and system-level benchmark performance of quantum computers

      未解决约 6 年

    3. Energetic quantum advantage of trapped-ion quantum computation under fault-tolerant, realistic-architecture accounting

      未解决约 2 年

    4. Feasibility window of the ion-tweezer quantum computer architecture: anharmonic gate dynamics, optical trap noise, and temperature robustness of the displacement and dipole-blockade gates

      未解决不足 1 年

    5. Scaling the Quantum Spring Array trapped-ion architecture: origin of dual-RF transport heating, control-channel requirements, extension of transversal gates, and fault-tolerance overheads

      未解决约 2 年
    粒子流与 current fluctuations1 个问题

    1. Large deviations of multiple absorption currents of interacting diffusing particles: additivity, vorticity, and extensions beyond the linearized regime

    连续变化的临界指数4 个问题

    1. Super universality hypothesis: rigorous status, domain of validity, and diagnostics for continuously varying critical exponents

      未解决约 3 年

    2. Microscopic identification of the marginal interaction driving beyond-weak-universality variation of critical exponents in substitution-tuned manganites

      未解决约 10 年

    3. Electric critical exponents of the symmetric 16-vertex model on its self-dual critical line: analytic determination and mechanism of full nonuniversality

      未解决约 33 年

    4. Nonperturbative fate of interactions and the tricritical point on the infinite-randomness critical line of the random XYZ spin chain

      未解决约 5 年
    连续变量量子信息的关键科学问题3 个问题

    1. Trace-norm universality of the Lloyd–Braunstein polynomial-Hamiltonian gate set for continuous-variable quantum computation, and a non-Gaussian Solovay–Kitaev theorem

      未解决约 4 年

    2. Performance limits of single-mode bosonic quantum codes under relaxed energy and noise assumptions

      未解决约 9 年

    3. Open questions in quantifying non-Gaussianity of continuous-variable states and operations: measure relations, operational bounds, and the single-mode Hilbert–Schmidt limit

      未解决约 19 年
    两相流体在多孔介质内的传输问题7 个问题

    1. Deriving the maximum-mobility principle for immiscible viscous fingering in porous media

      未解决约 5 年

    2. Connectivity-based hysteresis modeling of two-phase flow in porous media: extension to compressible fluids and wetting-film flow, lithology-generic parameterization, and field-scale validation

      未解决约 11 年

    3. Entropy solutions and traveling-wave stability for two-phase porous-media fronts with hysteresis and dynamic capillarity: the non-monotone flux regime and the large-dynamic-capillarity instability

      未解决约 6 年

    4. Vanishing-capillarity limit of gravity-driven two-phase flow with capillary hysteresis: non-play-type closures, relative-permeability hysteresis, and rigorous convergence

      未解决约 5 年

    5. Ganglion breakup conditions and the limits of the mean-field viscous–capillary mobilization criterion for a trapped non-wetting fluid in 3D porous media

      未解决约 12 年

    6. Ostwald-ripening equilibrium in two-phase flow through porous media: predicting and validating equilibrium trapped saturation, capillary pressure, and relative permeability beyond the permanent-trapping picture

      未解决约 2 年

    7. Kinematic closures for two-fluid-phase flow in porous media: interfacial state equations, the interfacial velocity term, and slow-relaxation effects on imbibition and nonwetting-phase entrapment

      未解决约 11 年
    量子测量问题与量子力学诠释4 个问题

    1. Deciding between collapse for all observers and unitary evolution in isolated laboratories: the 1/121/12 versus 1/41/4 extended Wigner's-friend discrimination

      未解决约 41 年

    2. Quantum dilation of one-world hybrid classical-quantum dynamics: can every shared-noise classical-quantum description be reduced to an underlying fully quantum theory?

      未解决不足 1 年

    3. ψ-Ontology under weakened preparation independence: the status of the integral-past and exchangeability assumptions

      未解决约 11 年

    4. Semiclassical measurement schemes beyond the two-level proof of concept: continuous-spectrum observables, optimal accuracy, and wave-operator couplings

      未解决不足 1 年
    量子场论的严格解7 个问题

    1. Four-dimensional quantum Yang–Mills existence and mass gap: rigorous construction beyond small coupling and partial gauge fixing

      未解决约 26 年

    2. Scattering content of the non-quasi-free Wightman fields constructed by convex mixing of quasi-free functionals

      未解决约 8 年

    3. Rigorous construction of twist fields for the Gaussian free field: a bundle-valued free field on the base surface reproducing branched-cover partition functions

      未解决约 1 年

    4. Stochastic-classical loop expansions versus quantum loop amplitudes: the exact-equivalence classification and the dependent open program of Finster–Tolksdorf for ϕ4\phi^4 theory

      未解决约 14 年

    5. Existence of local observables for two-dimensional integrable quantum field theories with bound states: extending the operator-algebraic construction to factorizing S-matrices with poles in the physical strip

      未解决约 18 年

    6. Intertwiner existence and modular nuclearity for multi-component factorizing S-matrix models (including the O(N) nonlinear sigma models)

      未解决约 11 年

    7. Exact finite-volume diagonal matrix elements in the sine-Gordon model reformulated in TBA pseudo-energy language: toward extension to other non-diagonally scattering integrable QFTs

      未解决约 7 年
    量子场论中的基本问题7 个问题

    1. Local and compositional measurements in quantum field theory: probability-valued probes, compositional renormalization, and extension beyond free linear bosonic theories

      未解决约 1 年

    2. Explicit symmetric gapping of the mirror sector in the 3+1D Spin(10) lattice Standard Model (symmetric mass generation)

      未解决约 7 年

    3. Finite-NN fate of the negative-coupling loophole: is four-dimensional scalar theory with negative quartic coupling non-trivial and asymptotically free at small NN?

      未解决约 53 年

    4. Benign Landau pole of the 3+1-dimensional O(N) model beyond leading large N: subleading 1/N corrections and the analytic continuation at finite temperature

      未解决约 3 年

    5. Yang–Mills existence and mass gap (Clay Millennium Prize problem)

      未解决约 26 年

    6. The algebraic Haag theorem without the split property, and Weiner's Conjecture 1.1 on standard half-sided modular inclusions

      未解决约 16 年

    7. A general theory of localized operations and measurements in algebraic quantum field theory: completing the causal interpretation of the causal axioms

      未解决约 33 年
    量子尺寸效应作用下的金属薄膜表面催化研究9 个问题

    1. Quantum size effect in Cs adsorption on Cu(001) thin films: microscopic bonding, coverage dependence, and experimental validation beyond the Θ = 0.5 free-standing slab

      未解决约 19 年

    2. Quantum-size oscillation of the electronic decay length and oxidation reactivity of Mg(0001) films on W(110): realistic-interface theory and direct experimental verification of the electron-transfer mechanism

      未解决约 20 年

    3. Thickness-controlled synthesis of Rh–W ultrathin alloy nanosheets and the quantitative thickness dependence of their electronic descriptors and CO2 hydrogenation catalysis

      未解决约 9 年

    4. Atomic-scale structure–reactivity relationships for CO and hydrogen on cobalt Fischer–Tropsch nanoparticles: activation mechanism, sub-6-nm size effects, quantum-size effects, and adsorbate segregation

      未解决约 14 年

    5. Quantitative separation of quantum-size, Ru–Ru cohesion, and Ru–Pt bonding (with its epitaxial-strain component) contributions to the stability and surface reactivity of ultrathin Ru(0001) films on Pt(111)

      未解决约 11 年

    6. Universality of the Fermi-level decay-length descriptor and interface effects in quantum-size-modulated chemisorption on ultrathin metal films

      未解决约 14 年

    7. Quantitative mechanism of quantum-size-effect-tuned metalation of phthalocyanine on Pb(111) thin films

      未解决约 16 年

    8. Quantum size effects and atomic-hydrogen adsorption on Be(0001) thin films: mechanism and surface-property consequences of the oscillatory thickness dependence

      未解决约 19 年

    9. Experimental verification of the quantum size effect in atomic hydrogen adsorption on Mg(0001) ultrathin films

      未解决约 19 年
    量子淬火（quantum quenches）2 个问题

    1. Asymptotic inversion, quasi-locality, and string-charge relations for the full fusion hierarchy of nested Bethe Ansatz models

    2. Rigorous foundation and microscopic interpretation of the spacetime-swap formulas for Rényi-entropy growth in interacting integrable models

    量子点接触中的“0.7结构”8 个问题

    1. Nonequilibrium Kondo scattering phase of a self-consistently localized state in a quantum point contact

      未解决约 10 年

    2. Kondo screening of a finite, non-uniform one-dimensional Wigner crystal in a quantum point contact: a microscopic many-body theory problem

      未解决约 12 年

    3. Completing the emergent-localized-state/Kondo picture of quantum point contacts: predictive microscopic control, higher-spin Kondo regimes, integrated transport theory, and discrimination from hybrid-device zero-bias anomalies

      未解决约 13 年

    4. Barrier-curvature dependence of the low-energy scales of the 0.7 anomaly in quantum point contacts: a program to discriminate the van Hove-ridge, spontaneous-spin-polarization, and Kondo-like scenarios

      未解决约 11 年

    5. Quantitative microscopic theory of the 0.7-anomaly and its zero-bias peak in quantum point contacts at finite temperature and finite bias

      未解决约 30 年

    6. Microscopic mechanism of the spin-valley 0.7 anomaly in bilayer graphene/WSe2_2 quantum point contacts

      未解决不足 1 年

    7. Ensemble-statistical identification of the microscopic mechanism behind the 0.7 conductance anomaly in one-dimensional quantum wires

      未解决约 30 年

    8. Correlated-state magnetization and microscopic NMR detection in quantum point contacts: is the no-bound-state interpretation of the 0.7 anomaly robust?

      未解决约 11 年
    量子计算机5 个问题

    1. Identifying and mitigating radiation-induced correlated error bursts that set the logical-error floor in superconducting surface-code quantum error correction

      未解决约 4 年

    2. Open directions for nearest-neighbor X/CNOT/CSX quantum arithmetic: minimal qubit connectivity, utilization of superposition outputs, error-correction overhead, and extension to floating point

      未解决约 2 年

    3. Scalable verification of quantum advantage: certifying random-circuit-sampling experiments beyond the classical-simulation frontier

      未解决约 8 年

    4. Fault-tolerance analysis of the globally driven ZZ-coupled superconducting ladder architecture: error-correcting codes, noise thresholds, and fabrication-tolerance windows

      未解决约 1 年

    5. The quantum computer puzzle: deciding between the optimistic and pessimistic hypotheses of quantum noise

      未解决约 10 年
    量子纠错和量子编码3 个问题

    1. Reducing the impractical constant-factor runtime of provably correct decoders for asymptotically good quantum LDPC codes and characterizing their flip-set search space

      未解决约 4 年

    2. Optimal fault-tolerant threshold of the surface code under biased dephasing noise: exact determination

      未解决约 7 年

    3. Open problems on explicit parallel decoding, exact rate-distance tradeoffs, and fault-tolerant encoders for linear-time encodable and decodable quantum error-correcting codes

      未解决不足 1 年
    量子蒙特卡罗模拟中的负符号问题3 个问题

    1. Geometry, model, and algorithm dependence of sign-resolved observable statistics and the average-sign amplification factor in fermion quantum Monte Carlo

      未解决不足 1 年

    2. Rigorous foundations of local basis-transformation mitigation of the quantum Monte Carlo sign problem beyond frustration-free regimes

      未解决约 7 年

    3. Realizing the Wang–Sun positive-sign-path solution of the fermion sign problem: efficient sampling of the OP space and rigorous error control of the RP approximation

      未解决约 4 年
    量子器件中的1/f1/f低频噪音问题5 个问题

    1. Microscopic origin of low-frequency 1/fα1/f^{\alpha} charge noise in quantum-dot qubits in the few-fluctuator regime

      未解决约 7 年

    2. Microscopic mechanism of the magnetic-field evolution of 1/f1/f flux noise in superconducting qubits

      未解决约 3 年

    3. Microscopic attribution of magnetic 1/f flux noise in device-relevant superconducting materials and the origin of the broad logarithmic relaxation-time spectrum in dilute Au:Er alloys

      未解决约 39 年

    4. Microscopic origin of 1/f1/f magnetic flux noise in superconducting quantum circuits

      未解决约 39 年

    5. Microscopic identification and per-device characterization of the low-frequency flux-noise fluctuators in superconducting transmon qubits

      未解决约 19 年
    量子算法和量子计算的复杂性6 个问题

    1. Open quantum query-complexity gaps for hidden-graph learning and combinatorial group testing: time-efficient optimal group testing, copy complexity of graph-state family identification, and the power of parity versus Bell-sampling access

      未解决约 5 年

    2. Complexity classification of the quantum minimum circuit size problems: NP-membership, hardness, and ancilla compression (Open Problems 1–2 of Chia–Chou–Zhang–Zhang)

      未解决约 5 年

    3. Perfect completeness for quantum Merlin-Arthur proof systems: does QMA = QMA1, and is there a direct reduction from PreciseQMA to PreciseQMA with perfect completeness?

      未解决约 18 年

    4. Precise computational complexity of relative-error (multiplicative) approximations to #BQP functions (quantum approximate counting)

      未解决约 4 年

    5. Tight computational-complexity classification of exact T-count circuit optimization

      未解决约 3 年

    6. Almost-everywhere classical simulation of quantum query algorithms: the quantum analogue of average-case derandomization of query algorithms (Aaronson–Ambainis simulation conjecture)

      未解决约 16 年

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