First large-N gluino condensate matches the weak-coupling value
Lattice data at N = 169, 289, 361 give 1.77(65), compatible with the analytic prediction 1 and ending a 40-year debate.
hep-lat
High Energy Physics - Lattice
Lattice field theory. Phenomenology from lattice field theory. Algorithms for lattice field theory. Hardware for lattice field theory.
sort pith recommended most recent
Omega_b* weak decay widths: ~2.5e-12 GeV
Standard Model benchmarks for the excited Omega_b's b-to-c weak decay, testable at hadron colliders.
· “Semileptonic Ω_(b)^(*)rightarrowΩ_(c)^(*) ell bar{ν}_(ell) transition in QCD”
Meson wave packets from O(L^3) to O(L^2) CNOTs
A non-variational circuit with O(L) depth prepares meson scattering states; QSE operators reach 99.9% fidelity on vector mesons.
· “Scalable Quantum Algorithm for Meson Scattering in a Lattice Gauge Theory”
Three spectral methods agree on Upsilon mass
A 0.3 GeV smearing floor sets the widths, so thermal broadening cannot yet be read off.
· “The NRQCD Upsilon spectrum at non-zero temperature using Backus-Gilbert regularisations”
Nucleon-sigma state is the dominant contaminant of sigma-term fits
A variational basis with nucleon-sigma operators removes the contamination, so scalar charges plateau early.
· “Nucleon sigma terms with a variational analysis from Lattice QCD”
Zc(3900) pole position decides if DDD* is bound
Measure the Zc(3900) pole: it tells whether the three-hadron DDD* state is bound or not.
· “Constraining the DDD^* three-body bound state via the Z_c(3900) pole”
Block Lanczos supersedes GEVP for lattice QCD spectra
One GEVP solve is a single Lanczos step; further steps converge faster and give two-sided error bounds.
· “Block Lanczos algorithm for lattice QCD spectroscopy and matrix elements”
Massive-gluon model reproduces quarkonium masses to 70 MeV
Best-fit masses match charmonium, bottomonium, and B_c states within ~70 MeV, preferring a gluon mass of 300–370 MeV.
· “Nonrelativistic meson masses from the Curci-Ferrari model”
Scalar glueball radius pegged at 0.263 fm
First lattice calculation of glueball gravitational form factors puts its mass radius below those of known hadrons.
Quadrupole forces between quarks and gluons inside spin-1 hadrons
For spin-1 and spin-3/2 hadrons, the quark-gluon force gains quadrupole terms that a single c-bar(t) cannot capture.
· “Quadrupole forces between quark/gluon subsystems inside higher-spin particles”
Quark model finds narrow tetraquark resonances in two heavy sectors
Predicted masses 8.87–9.36 GeV and 12.13–12.45 GeV come with golden decay channels for experiments.
· “Triply heavy tetraquarks bar{b}cbar{q}c and bar{c}bbar{q}b in a constituent quark model”
Separate lattice QCD amplitudes for J/psi to gamma eta
Optimized operators isolate the excited eta' state; both form factors come out below experimental values.
· “η and η' meson production in J/psi radiative decays from lattice QCD”
Adjoint quarkonium correlators equal rescaled fundamental ones
If right, quarkonium diffusion coefficients are just Casimir multiples of the heavy-quark value.
Four-flavor lattice QCD steadies the strong-coupling value
A static-energy extraction with dynamical charm matches earlier 2+1-flavor results and the FLAG average.
Lattice spin operators reproduce the Ising CFT stress tensor
Monte Carlo checks on triangular and hexagonal lattices confirm one-point, three-point, and TT correlators.
· “Energy-momentum tensor in the 2D Ising CFT in full modular space”
New lattice QCD data pin down hybrid-meson forces and gluelump masses
Quark-gluon hybrid potentials and their string-breaking thresholds measured with 420 MeV pions.
· “Hybrid static potentials and gluelumps on N_f=3+1 ensembles”
Bottomonia survive hot QCD with unchanged masses to 251 MeV
Thermal widths grow with temperature and state size, reshaping how quarkonium melts in heavy-ion collisions.
· “In-medium bottomonium properties from lattice NRQCD calculations with extended meson operators”
Rotation can strengthen chiral symmetry breaking in quark matter
Fitting the quark model's coupling to lattice data reverses rotation's effect and lifts the critical endpoint.
· “Chiral vortical catalysis constrained by LQCD simulations”
Boundary conditions pick which zero-mode class survives in 2D SU(2)
Lattice evidence finds a nonzero topological condensate with no spontaneous symmetry breaking, for J=1,2,3,4.
· “Lattice study of two-dimensional SU(2) gauge theories with a single massless Majorana fermion”
S-wave only reproduces lattice levels with long-range force
A renormalized zeta-function tames pion exchange, so lattice analyses need few partial waves and survive the left-hand cut.
Lattice QCD sets chiral critical endpoint below 103 MeV or absent
Baryon-number cumulants and Lee-Yang zeros put an 84% probability on the endpoint's temperature.
String breaking pinned to resonance condition in 2+1D
Flux strings split into meson pairs and nucleate glueball-like loops at computable field strengths
· “String Breaking Dynamics and Glueball Formation in a 2+1D Lattice Gauge Theory”
Singlet-plus-doublet scalars dodge phi^4 triviality
Propagators rise in the infrared, the Yukawa vertex stays flat—signs the theory is genuinely interacting.
· “Two and three point functions in real singlet and complex doublet scalar model”
Stochastic symmetry layer lifts flow samplers to 0.999 ESS
Stochastic modulation lets flows capture exact and broken lattice symmetries with near-perfect sampling.
· “SESaMo: Symmetry-Enforcing Stochastic Modulation for Normalizing Flows”
Tensor-network entropy algorithm reproduces central charge 1/2
A new tensor-network construction handles subsystems of any size and matches c = 1/2 in the critical Ising model.
· “Entanglement entropy by tensor renormalization group approach”
Qumode lattices simulate real-time phi-4 scattering in 1+1D
A continuous-variable lattice reproduces the free-field propagator and shows how mass and coupling steer collisions.
· “Real-Time Scattering Processes with Continuous-Variable Quantum Computers”
Direct CP violation in kaon decay now continuum-extrapolated: 17.5e-4
Preliminary lattice result 17.5(6.8)(4.9)(5.0)×10^-4 agrees with experiment 16.6(2.3) and earlier G-parity values.
· “Delta I =1/2 process of Ktoππ decay on multiple ensembles with periodic boundary conditions”
HAL QCD binding energies survive the left-hand cut
Even when a bound state sits on the pion-exchange cut, the HAL QCD pole converges to the exact binding momentum.
Parameter-free isospin splitting formula passes lattice test
No free parameters: the dilaton model's prediction for the charged-neutral pion split matches the data.
· “Chiral and isospin breaking in the two-flavor Schwinger Model”
Chiral dynamics still underpins low-energy QCD
A status review shows pion-pion, nuclear, and Big Bang results all still need the chiral QCD framework.
New projections make all eight gluon GPDs computable on the lattice
Exact projections let first-principles lattice QCD reach all eight gluon GPDs.
Flow upsamples 4x4 MCMC samples to 128x128 field theories
RG-inspired flow keeps ESS/N above 80 percent in symmetric and broken phases for 2D phi4.
· “Super-Resolving Normalising Flows for Lattice Field Theories”
Numerics back the flow M(3,10)+φ1,7→M(3,8)
Renormalized truncation spectra match M(3,8) on the PT boundary; M(3,5) and M(3,7) fits fail.
· “Testing the RG-flow M(3,10)+φ_(1,7)to M(3,8) with Hamiltonian Truncation”
Nucleon 2s excitation stands firm at ~2 GeV under quenching
Suppressing meson-baryon dressing leaves the 2s state unmoved, tying it to the N(1710) and N(1880) resonances.
· “Physical interpretation of the 2s excitation of the nucleon”
Mean-field scheme reproduces deconfinement at 1.5 percent
Best of three analytic approximations matches Monte Carlo and maps the heavy-quark nuclear liquid-gas line.
Lattice QCD predicts a bound tetraquark at physical pion mass
Same first-principles method maps an attractive nucleon-charmonium force and a charm dibaryon near unitarity.
· “Recent progress on charmed hadron interactions from lattice QCD”
Gradient flow computes pion PDF moments up to order 6
First gradient-flow lattice test on the pion matches global fits for moment ratios through ⟨x^5⟩.
· “Gradient flow for parton distribution functions: first application to the pion”
Sensor noise passes NIST randomness tests at 5.4 bits/s
ARIMA whitening turns one calorimeter pixel's noise into bits that pass all applicable randomness tests.
· “Time Series Analysis of DECAL Sensor Noise for the Generation of Truly Random Numbers”
Tensor-network method computes entanglement entropy for any interval
By trimming coarse-grained tensors, the method reproduces the Ising model's central charge c=0.49997(8).
· “Tensor renormalization group approach to entanglement entropy”
Three exotic hadron families qualify as molecules
Review ranks X(3872), T_cc, and open-charm states with the deuteron—and predicts a new state, W_c1.
One flavour-tuned interaction matches pion and kaon form factors
The same interaction also predicts heavy-light meson radii that future experiments can test.
Flow samplers confirm two-loop width of the confining string
Normalizing flows reproduce the Nambu-Goto width with coefficients matching π/6 and π/3 at couplings standard methods cannot reach.
· “Studying Effective String Theory using deep generative models”
QCD order parameter obeys universal scaling at small quark mass
At mass ratio 1/160 the scaled condensate falls on one universal curve, pinning down the chiral transition temperature.
Lattice QCD extracts GPDs H and E at nonzero skewness
Lorentz-invariant amplitudes turn off-forward matrix elements into light-cone GPDs for unpolarized quarks.
New MPO construction simulates gauge theories at infinite size
Standard iDMRG can now handle confinement, string breaking, and theta terms without custom algorithms.
· “Matrix Product Operator Constructions for Gauge Theories in the Thermodynamic Limit”
False vacuum bubbles grow like a Gaussian model with matching rate
Simulations show three stages: bubble nucleation, semiclassical growth, then a Bloch-oscillation halt.
· “Real-time bubble nucleation and growth for false vacuum decay on the lattice”
Magnetic fields reorder the QCD equation of state near the crossover
Lattice QCD maps temperature-band crossings and a possibly vanishing trace anomaly at eB ~ 0.8 GeV^2.
· “Leading-Order QCD Equation of State in Strong Magnetic Fields at Nonzero Baryon Chemical Potential”
Lattice QCD plus experiment maps pion gluons past x = 0.2
Global fit joining experiment and lattice cuts pion gluon uncertainty by half, showing a high-x rise over the proton.
· “Pionic gluons from global QCD analysis of experimental and lattice data”
Lowering quark masses barely shifts QCD's critical point
A flat critical surface ending in a tricritical point would explain why the endpoint stays nearly fixed.
· “Quark mass dependence of a QCD critical point and structure of the Columbia plot”
Bootstrap zeros in on ground-state energy to 8 digits
New semidefinite bounds match and refine Monte Carlo numbers for bosonic matrix models.
· “High-Precision Bootstrap of Multimatrix Quantum Mechanics”
Lattice QCD pins down proton and neutron form factors in the continuum
Three lattice spacings and full disconnected diagrams give proton charge radius 0.860 fm and magnetic moment 2.849, matching experiment.
· “Proton and neutron electromagnetic form factors from lattice QCD in the continuum limit”
Tensor networks shrink quantum scattering circuits 3.2x
Full 40-qubit Thirring-model scattering runs on a quantum chip, with corrected densities matching theory.
· “Resource-Efficient Simulations of Particle Scattering on a Digital Quantum Computer”
Adding nonlocal terms makes truncation errors scale as 1/E^4
Next-order matching in lambda-phi^4 theory keeps the predicted convergence rate and separation of scales.
· “Systematic Improvement of Hamiltonian Truncation Effective Theory”
Ω⁻ baryon's pressure and shear emerge from QCD sum rules
All seven gravitational form factors yield the strange baryon's radii, D-terms, and a stable core.
· “Mechanical properties of the Ω^- baryon from gravitational form factors”
Wavefunction smearing splits a 5 MeV two-hadron gap
Optimized lattice QCD operators separate nearly degenerate two-baryon states on an 8.1 fm box.
· “Wavefunction-based operator optimization for two-hadron systems in lattice QCD”
Spatial wavefunctions separate hadron states 5 MeV apart
Encoding two-hadron wavefunctions into operators splits near-threshold Omega_ccc pairs that differ by only 5 MeV.
· “Decoding Two-Particle States in QCD with Spatial Wavefunctions”
Three time scales set defect survival in 2D quantum annealing
Fidelity freezes at L^2.59, coarsening at L^2, stripes die at L^3—visible even on 6x6 lattices.
First lattice neutron-alpha phases match two channels
A persistent miss in the 2P1/2 channel above 5 MeV points to the three-nucleon force, not the calculation method.
· “Ab initio lattice study of neutron-alpha scattering with chiral forces at N3LO”
Two-pion exchange shows up in phi-N
All three lattice potentials flatten at 292.8 MeV, twice the pion mass — one shared mechanism at long range.
· “Hadron-Hadron Interactions from Lattice QCD: Theory meets Experiments”
Chiral-odd GPDs computed to next order in large-Nc QCD
The new NLO terms obey polynomiality and sum rules, and match lattice QCD in the flavor-non-singlet sector.
Annealer proposal cuts lattice-field autocorrelation fivefold
Hybrid quantum-classical Metropolis reproduces phi-4 observables at 80 percent acceptance on 64x64 lattices.
· “Hybrid Classical-Quantum Sampling for Lattice Scalar Field Theory”
Bloch waves select the gluon propagator's allowed momenta
A selection rule lets large-volume gluon propagators be computed from small original lattices.
· “Bloch Waves, Magnetization and Domain Walls: The Case of the Gluon Propagator”
A new thermal phase of QCD may appear between 200 and 230 MeV
Deep infrared quark modes proliferate and turn critical, tying the quark-gluon plasma to Anderson localization.
Orbifold lattice recovers Kogut-Susskind Hamiltonian exactly
Infinite-mass limit turns the orbifold action into the Wilson action with Haar measure, enabling efficient quantum circuits.
· “Exponential speedup in quantum simulation of Kogut-Susskind Hamiltonian via orbifold lattice”
Quantum computer simulates particle scattering in a gauge theory
IBM hardware tracks electron-positron and meson collisions past impact, showing confinement and scar-like inelastic dynamics.
· “Observation of hadron scattering in a lattice gauge theory on a quantum computer”
Streaming SVD speeds Wilson fermion multigrid by 1.7x
A truncated chiral-SVD test-vector basis keeps near-null space information with far less memory, a step toward GPU-friendly multigrid.
· “Accelerating multigrid with streaming chiral SVD for Wilson fermions in lattice QCD”
Two-color QCD chiral transition can be second order
New stable fixed points appear in FRG, allowing a continuous transition if the axial anomaly vanishes at T_c.
Lattice QCD data grid rebuilt for token-based sharing
New metadata schemata and containerised catalogues aim to make gauge configurations FAIR and shareable.
· “International Lattice Data Grid 2.0: Status and Progress”
Squeezed SU(3) gauge theory may hide a new first-order transition
Two-Polyakov-loop model puts it at L_x T ≈ 1.17 and T/T_d ≈ 2.69, with 2D Ising endpoints.
Physical-mass lattice QCD pins down nucleon axial form factors
No chiral extrapolation needed; PCAC and pion pole dominance hold in the continuum limit.
· “Isovector axial and pseudoscalar form factors from twisted mass lattice QCD at the physical point”
Persistent spin grids make electron spin decay vanish in 2D
A Wilson-loop condition classifies the grids and predicts spin transport in any direction without fine-tuned spin-orbit matching.
· “Persistent spin grids with spin-orbit coupled 2D electron gas”
g_A lands on experiment: 1.250(24) from physical-point QCD
No chiral extrapolation needed: sigma_piN = 41.9(8.1) MeV and tensor/scalar charges follow from three physical-mass ensembles.
· “Nucleon axial, tensor, and scalar charges and σ-terms in lattice QCD”
Give Upsilon and chi_b1 mass plus thermal width from lattice moments
A derivative-moment method skips spectral reconstruction and tracks how the states melt with temperature.
· “NRQCD Bottomonium at non-zero temperature using time-derivative moments”
Inverse Cauchy method continues QCD to real chemical potential
The inverse Cauchy method reproduces Padé and Taylor results for QCD up to mu_B/T ~ 2.
· “On analytic continuation from imaginary to real chemical potential in Lattice QCD”
SVD-truncated chiral vectors cut Wilson multigrid solve times
A rank-24 truncation of a 96-vector smoother basis lowers solve time on HSC and MILC ensembles in every test reported.
· “Chiral rank-k truncations for the multigrid preconditioner of Wilson fermions in lattice QCD”
Lattice Weyl fermions become vector-like in a monopole background
The Wilson term adds an opposite-chirality mode at the sphere's center, blocking a lattice chiral gauge theory.
Path-picking diffusion sampler covers all topological sectors
Where normalizing flows and plain diffusion models collapse to one ring or one peak, this network generates all of them.
· “Exploring Generative Networks for Manifolds with Non-Trivial Topology”
Euclidean data give tightest bounds on real-time correlators
A finite convex dual, using only spectral positivity, turns ill-posed analytic continuation into certified bounds
Quantum rotor test refutes no-CP-violation claim
The simplest theory with a theta term gives a nonzero topological susceptibility, so the strong CP problem survives this toy model.
· “Lattice techniques to investigate the strong CP problem: lessons from a toy model”
Stable B→D(*) form factors emerge from new lattice analysis
Preliminary 2+1+1-flavor results at four spacings set the stage for a precise |Vcb| from B→D(*) decays.
