High Energy & Particle · Physics & Astronomy
High Energy Physics - Theory
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196 papers, from 16 September 2026 to 5 November 2026: 196 arXiv preprints.
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Newest papers, page 2
Krylov meets Fock: Complementary lenses on quantum dynamics
Quantum dynamics in Krylov space can be represented by a particle hopping on a chain whose sites are the Krylov basis vectors.Quantum error correcting codes from quiver moduli: Grassmannians, cyclic monodromy, and argyle collision divisors
Building on aspects of a recent diagrammatic field-theory programme for quantum error correction put forward by the first-named author (arXiv:2607.08911), we construct exact finite-dimensional codes…Universality and Emergent Classicality in Krylov Space
Krylov complexity grows linearly at late times for many systems.Mutual information to all orders from modular flow: a replica-free approach
We derive an all-orders long-distance expansion of vacuum mutual information between two disjoint balls in generic $d$-dimensional CFTs.Reconstruction of the conformal algebra from a critical groundstate on the (fuzzy) sphere
Recently, we found a method to reconstruct the dilatation operator (sphere Hamiltonian) from a regulated conformal field theory groundstate.Black Hole Love Numbers with Physics-Informed Neural Networks
We develop and validate a physics-informed neural network (PINN) framework for computing the tidal Love numbers of black holes directly from their perturbation equations.Detection times are not local observables in quantum field theory
Detection times are routinely recorded in quantum experiments.Induced Lorentzian geometry from the fermionic quantum metric
Quantum geometry is conventionally understood in parameter or momentum space and need not be related to a geometry in configuration space.Longitudinal electric corner modes in continuum quantum gauge theory with matter
Subregions in gauge theories give rise to edge modes and corner charges supported on their boundaries.Quantum Popcorn: the shape of a phase transition bubble
A quantum tunneling event in field theory is usually depicted as the materialization of a spherical bubble of true vacuum.Distance to integrability and complexity
We consider nearest-neighbour interactions on spin-1/2 chains.Zero mode, Zero influence: Spatial-derivative coupling in particle detectors
It is common in particle detector models in cavity QED to often omit zero modes or assume their state, compromising causality or introducing ambiguity in their predictions.virasoro_blocks: Software for the 2d bootstrap
We introduce virasoro_blocks, software that computes Virasoro conformal blocks at any central charge in a form suitable for the numerical bootstrap.Quantum field theory with scale-dependent weighted measures: nonlinear momentum representations, vacuum fluctuations, and causal structure
We reconsider the construction of free quantum fields through momentum-space weighted measures, introducing an independent energy scale that restores the conventional theory at low momenta.Ten-loop fixed-dimension renormalization-group functions of the three-dimensional O(N) model from distributed GPU-accelerated parametric integration
The renormalization-group functions $β$, $η$ and $ν$ of the three-dimensional $O(N)$ model in fixed dimension (massive zero-momentum scheme) were known to eighth order in the coupling.A density calculus for quantum field theory
These notes provide an introduction to Haagerup noncommutative $L^p$ spaces for quantum field theorists.Relating approaches to interacting quantum clocks and systems
The problem of describing the dynamics of quantum systems relative to quantum clocks with which they interact is relevant to the physics of quantum reference frames and quantum gravity alike.Proof of the entropic $c$-theorem
We prove an entropic $c$-theorem in two dimensions by constructing a $c$-function from the mutual information between spacelike separated wedges, defined through the relative entropy.Probing micron-range fifth forces with cold atoms in optical tweezer arrays
We propose a new method to search for fifth forces at micron scales, by resonantly exciting the motional state of ground-state-cooled atoms in optical tweezer arrays.Quantum Observables of Nonperturbative Superradiant Scattering
Inelastic scattering from $N$ coherent spins, or any two-state system, scales as $N^2$, invalidating the Born approximation at large $N$ even at weak coupling.