Four-qubit states reproduce known CFTs
Critical points of an entropy function reconstruct a CFT's spectrum with no Hamiltonian input.
· “A systematic search for conformal field theories in very small spaces”
cond-mat.stat-mech
Statistical Mechanics
Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
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A small bulk Hamiltonian reproduces all O(2) dimensions to ε²
The paper's holographic effective theory matches every leading-twist dimension at charge Q and spin J through second order in ε.
· “Towards Large-Spin Effective Theory II: O(2) model in d=4-ε”
Bootstrap isolates tricritical Ising CFT in fractional dimensions
Crossing symmetry of three operators pins down the theory's exponents and ties the φ⁶ theory to the 2d minimal model.
One inequality yields uncertainty bounds for classical and quantum systems
Same noise-based argument replaces perturbation proofs and tightens quantum precision bounds under strong driving.
Two-patch disks show dual transitions and a BKT critical phase
One extra patch turns close-packed disks into a tunable testbed for critical phenomena.
· “Orientational phase transitions induced by two-patch interactions”
Projective charges make thermal states remember the initial state
Charged observables settle into a generalized Gibbs ensemble that remembers the initial projective charge.
· “Eigenstate Thermalization Hypothesis with projective representation”
Form factor matches random-matrix curve in all three Dyson classes
Beyond a Thouless time, kicked many-body spectra reproduce COE, CUE, and CSE form factors to second order.
A small dipole offset flips the sign of liquid-surface fields
Simulations show a tiny off-center dipole creates a tunable electric field, up to 16 MV/cm at water-like settings.
· “Stockmayer Fluid with a Shifted Dipole: Interfacial Behavior”
Chiral active gas obeys a pressure law with a chirality-dependent temperature
Edge currents and odd diffusion follow from one effective temperature, verified with spinning vibrobots.
· “Active thermodynamics of inertial chiral active gases: equation of state and edge currents”
Random bond cuts turn a bilayer magnet into a Mott glass
Simulations find a gapless glass between Néel order and quantum disorder, with stretched-exponential susceptibility.
· “Mott Glass and Criticality in a S=1/2 Bilayer Heisenberg Model with Interlayer Bond Dilution”
Tangled C-shaped grains percolate like random linked rings
Vibrated particles form a giant cluster only past a link threshold near 2.1, matching 3D percolation universality.
Interacting anyons beat bosons and fermions in a quantum heat engine
A four-stroke anyon engine gets the most low-temperature work from particles at an intermediate statistical angle, not the extremes
Maximum channel entropy yields Gibbs-form thermal channels
Quantum channels get both a least-bias derivation and a many-copy thermodynamic justification.
· “Maximum channel entropy principle and microcanonical channels”
Slice a 3D lattice and keep its disorder phase diagram
A 2D slice built by Schur projection reproduces stable metals and matching 3D critical exponents.
Four-body Kuramoto couplings store memories faster than linear
Adding quartic phase interactions turns oscillator networks into high-capacity analog associative memories.
· “Higher-Order Kuramoto Oscillator Network for Dense Associative Memory”
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.
Angular order diverges at a pressure-tuned 3D solid transition
Strained amorphous packings show a critical intermediate phase with correlation length growing as (pc−p)^−1.66.
Asymptotic freedom found in plasma film growth
A single coupling g=Φa²τ_ion sets grain size, pressure independence, and faceting onset.
Contact forces flip the outcome of quorum-sensing active matter
Short-range repulsion either blocks arrested collapse or densifies the liquid fourfold, a new theory shows.
Twist knots end the stretched phase of active polymer rings
Simulations show knot family shifts the collapse point, so knotting can tune active materials.
· “Effects of knotting on the collapse of active ring polymers”
Cut variational Monte Carlo training cost up to 100x
Flattening the sampling distribution, tuned each step, gets the same gradient accuracy with far fewer samples.
· “Looking elsewhere: improving variational Monte Carlo gradients by importance sampling”
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”
One magnet model links consensus
From voting to epidemics, binary-state agents act like spins—with testable tipping points.
Microcanonical bath proves local detailed balance at strong coupling
Well-defined heat and entropy let local detailed balance survive strong coupling.
· “A Rigorous Foundation for Stochastic Thermodynamics via the Microcanonical Ensemble”
Quench a Bose gas and quantum turbulence appears on its own
No stirring involved: quench speed alone sets the vortex tangle, whose energy spectrum obeys Kolmogorov 5/3 scaling.
Classical spin dynamics outperforms three quantum heuristics
CACAO moves the feedback idea behind FALQON and CD-FQA onto ordinary hardware and scales to 10,000 spins.
Fuzzy timing measure orders heartbeats: young > elderly > CHF
Restores the expected young-elderly-CHF order where the standard permutation measure fails.
· “Fuzzy permutation time irreversibility for nonequilibrium analysis of complex system”
Disorder alone turns a regular kicked top into a chaotic one
Quantum revivals survive weak disorder but die near w≈2, when entanglement hits full-Hilbert-space random values.
· “Disordering a permutation symmetric system: revivals, thermalization and chaos”
Noise sets the dissipation floor for coherent conductors
A single measured current and its fluctuations bound entropy production at any bias, with no heat-current measurement needed.
· “Thermodynamic Uncertainty Relations for Coherent Transport”
Bose chain slows its own relaxation via fragmentation
Doublon and singlon counts stay fixed while the charge-density-wave imbalance relaxes slowly.
One distribution captures charge noise in a stochastic cellular automaton
Exact full counting statistics interpolate from single-file Mainardi-Wright at pure reflection to Gaussian at pure transmission.
One field-theoretic basis sets turbulence's spectral constants
Scalar diffusivity equals renormalized viscosity; Kolmogorov constants follow from the same Craya-Herring calculation.
Local spin rotations shrink the quantum Monte Carlo sign problem
A single local loss both bounds and reduces the exponential sampling slowdown of frustrated quantum magnets.
· “Local Basis Transformation to Mitigate Negative Sign Problems”
Spin eigenstates at finite temperature act like charged random states
One normalization constant maps energy density to charge density and reproduces entanglement statistics.
· “Quantum chaos at finite temperature in local spin Hamiltonians”
Exact steady states and mixing rates for jammed active pairs
Explicit formulas for clustering probabilities and relaxation times of two attracting, non-crossing run-and-tumble particles.
Relative entropy reproduces the black-hole area law
For large Schwarzschild radius, the entropy scales with horizon area as S ≈ C A/4G.
· “The quantum relative entropy of the Schwarzschild black-hole and the area law”
TeNeS-v2 adds real-time and thermal simulation to 2D tensor-network solver
One software package now handles ground states, quench dynamics, and finite-temperature benchmarks against quantum Monte Carlo.
Disorder can't erase Laplace's exponential diffusion tails
In a random trap lattice, the tail shape is fixed by just two moments of the local escape rates.
· “Diffusion in Quenched Random Environments: Reviving Laplace's First Law of Errors”
Depinning force dips at crystal-stripe crossover
A driven probe in a pattern-forming medium maps flow regimes and a stripe-edge Hall angle that purely repulsive systems lack.
· “Active Microrheology and Dynamic Phases for Pattern Forming Systems with Competing Interactions”
One threshold sets where quasiperiodic driving heats a system
A matrix-cocycle calculation gives the exact heating phase boundary and Lyapunov exponent for driven critical systems.
· “Phase Transitions in Quasi-Periodically Driven Quantum Critical Systems: Analytical Results”
Counter-adiabatic strokes boost a quantum engine's power
On an NMR processor, the shortcut engine beats the non-adiabatic one at short driving times, even paying the shortcut's energy cost.
A few altruists dissolve the harmful clustering of selfish agents
Hydrodynamics shows altruists act as surfactants and sharply cut the barrier to the optimal state.
· “Hydrodynamics of Cooperation and Self-Interest in a Two-Population Occupation Model”
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”
A wall outside the horizon reproduces random-matrix chaos
Scalar and fermion modes near the BTZ horizon show Wigner-Dyson spacing, a linear ramp, and Krylov peaks.
· “Brickwall One-Loop Determinant: Spectral Statistics & Krylov Complexity”
Stochastic model predicts optimal load for random-vibration harvesters
Simulations match both load types, locating the resistance that maximizes harvested power.
· “Stochastic Model for a Piezoelectric Energy Harvester Driven by Broadband Vibrations”
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”
Non-Abelian ETH passes seven numerical tests on an 18-qubit chain
SU(2)-symmetric Heisenberg model supports a generalized eigenstate thermalization hypothesis for noncommuting charges.
· “Numerical evidence for the non-Abelian eigenstate thermalization hypothesis”
Stochastic projectors make tensor networks both fast and unbiased
Sampling projectors whose average is the identity removes truncation bias and shrinks statistical error exponentially.
· “Markov Chain Monte Carlo in Tensor Network Representation”
Ground-state entanglement hits volume law on every interval
A periodic Feynman–Kitaev clock turns shift-register Floquet states into zero-energy eigenstates with maximal block entropy.
After a heat jump, glass relaxation briefly speeds up
A dip in the relaxation time reveals two aging mechanisms acting together—trapping plus a slow free-energy landscape.
· “Aging of glass-forming materials following a temperature jump”
Exact formula orders first-passage deaths of many-body Markov processes
Nested kill-time integrals give the nth survivor's survival function, with applications to single-file diffusion and CDS pricing.
Open quantum lattices simulate with near-optimal gate counts
Stationary Gaussian baths add only subpolynomial overhead; local observables need depth independent of system size.
· “Optimizing digital quantum simulation of open quantum lattice models”
Contrarians can't force a 50-50 vote except on two special lines
Only a perfectly even bias or a 50% contrarian share yields a tie; otherwise one opinion always dominates.
· “Analysing contrarian behaviour using nonlinear biased q-voter model”
Task switches trace to weak asymmetric brain couplings
Fitting fMRI fluxes to an Ising model shows symmetric wiring stays put while antisymmetric couplings change per task.
· “Distinct weak asymmetric interactions shape human brain functions as probability fluxes”
Size growth shifts MBL crossover only under random disorder
Imbalance measurements on 8×8 to 24×24 lattices show a growing crossover only under random disorder.
No fitting parameters: specific heat for liquids and glasses
Adiabatic first-principles runs reproduce the glass-transition jump and sodium's falling heat capacity with no fitting.
· “The total energy approach for calculating the specific heat of liquids and glasses”
Active vibrations coarsen into time crystals
Two lab-built metamaterials show wavelength, period and amplitude growing together until the whole solid swings in sync.
· “Wave coarsening drives time crystallization in active solids”
Condensates boost virus packaging by orders of magnitude
Models show phase-separated droplets concentrate viral genomes and capsid proteins, sharpening selection — a lever for engineered encapsulat
· “Liquid-liquid phase separation enables highly selective viral genome packaging”
2D random-walk extremes get their own universal law
The same decay coefficient as in d=1 would control a differently shaped tail, with fluctuations at positions scaling with time.
Long-range spin correlations decay exactly like the interaction
Convergent cluster expansion pins the truncated two-point correlation exponent to alpha in d dimensions.
· “Cluster Expansion and Decay of Correlations for Multidimensional Long-Range Ising Models”
This paper derives a cubic scaling of the quantum Fisher information rate with atom…
Monitored dissipative time crystals can give a global QFI rate scaling as N^3, and the TCD model keeps super-classical scaling even with…
· “Attaining Quantum Sensing Enhancement from Monitored Dissipative Time Crystals”
Yule-born searchers break classical extreme value laws
New limit theorems connect immigration schedules to all-searchers-present search, and Yule births give non-classical extremes.
· “Passage times of fast inhomogeneous immigration processes”
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”
Two-tone drive tunes quantum scar lifetime
Changing the frequency ratio c makes scars persist or vanish, giving a knob for prethermal and time-crystal-like phases.
· “Controlling quantum scars and engineering subharmonic responses with a two frequency drive”
Proof: Weyl-type fermions order antiferromagnetically
Reflection positivity plus strong coupling forces long-range order in a 3D cubic lattice at low temperature.
· “Antiferromagnetic Long-Range Order in a Lattice Fermion Model”
Small-world search times now exact
A defect-by-defect determinant method yields first-passage statistics and uncovers a two-peak regime.
· “Predicting First-Passage Dynamics in Disordered Systems Exactly: Application to Sparse Networks”
Model predicts driven colloids separate perfectly by size
Hydrodynamic equations for dense mixtures in narrow pores show smaller particles push larger ones aside.
· “Hydrodynamic approximations for driven dense colloidal mixtures in narrow pores”
Slow relaxation turns avalanche power laws into a bump
In 2D long-range systems, pinned and flowing states coexist; elsewhere, large avalanches expand ballistically.
· “Anomalous Critical Behavior of Driven Disordered Systems Beyond the Overdamped Limit”
One correlator fixes heat flow between quantum systems
At leading coupling, transient peaks, steady-state currents, and conductivity all follow from a single two-point function.
One number decides when thermodynamic and long-time limits agree
Spectral gaps aren't enough: a uniform nonnormality bound is what makes infinite steady states computable.
· “Nonequilibrium steady state in Lindblad dynamics for infinite quantum spin systems”
Product formulas count tilings with odd-rectangle windows
A dual of the Aztec diamond theorem controls how hole evolution changes matchings on the torus.
Kinetic energy jumps with a cubic law at chaos onset
Continuous rise and cubic scaling tie chaos onset to unstable fixed points in random neural networks.
One diagonalization optimizes quantum transport
A quantum Doob transform reshapes Hamiltonian and dissipation together to maximize currents and activity.
· “Optimizing quantum transport via the quantum Doob transform”
Thue-Morse drive slows quantum spin-chain heating
A two-frequency Thue-Morse pulse sequence thermalizes a driven PXP chain far slower than periodic, random, or Fibonacci drives.
· “Heating suppression via two-rate random and quasiperiodic drive protocols”
Spin chain thermalizes best at intermediate dimerization
Which parameters thermalize a frustrated spin chain maps onto its ground-state spiral phase, a knob for quantum simulators.
Spin signs solve more 3-SAT in analog Ising machines
Smooth approximations of the sign rule keep the edge, so real hardware can use it.
· “How to Incorporate Higher-order Interactions in Analog Ising Machines”
Sticky grains form stripes as cohesion and concentration climb
A shear-activated double-well free energy matches DEM layer patterns and collapses the data onto one curve.
Fuss–Catalan algebras live on chains of non-crossing partitions
The r-color Temperley–Lieb generalization matches its chord-diagram action and yields a new r=2 boundary solution.
· “Fuss--Catalan algebras on generalized Dyck paths via non-crossing partitions”
CPTP quantum Brownian motion cannot reach equilibrium
The CPTP fix to Caldeira-Leggett master equations forces nonequilibrium steady states with broken micro-reversibility.
· “Broken Detailed Balance and Entropy Production in CPTP Quantum Brownian Motion”
Bures distance exposes geometry in nonlinear response
A time-dependent metric and connection turn response spectra and three-operator correlations into many-body quantum geometry.