Mathematical Physics · Mathematics & Statistics
Mathematical Physics
The newest papers in Mathematical Physics that ReadSearch has read, newest first. Each links to its own page, with its authors, date, where it was published and the original.
408 papers, from 31 August 2026 to 5 November 2026: 346 arXiv preprints and 62 OpenAlex records.
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Newest papers, page 17
Asymptotically Optimal Mixed-State Cloning
We determine asymptotic global fidelities of cloning generic mixed states with simple (non-degenerate) full-rank spectra.Is rapid mixing stable?
Several physically interesting Lindbladians, such as those describing generic open quantum system models as well as engineered state preparation processes, are often rapidly mixing, that is, they…Collectivity limits quantum entanglement
Understanding what limits many-body quantum entanglement is a central problem in physics.Minimal output entropy for the channels that add or remove a box of a Young diagram, and a Pauli principle for every permutation symmetry
Two irreducible representations of $U(d)$ whose Young diagrams differ by a single box are connected by four covariant quantum channels: the box can be removed or added, and one keeps either the new…Effective atom-dimer bands of three-body lattice systems at strong coupling: exact critical mass ratios and a statistics-quasimomentum duality
We study three particles on the square lattice with contact interactions of infinite strength, for all total quasimomenta, for three statistics: three identical bosons, two identical fermions plus a…Quantum data processing equality
The quantum data processing inequality asserts that quantum relative entropy is monotonically non-increasing under quantum channels.Uniqueness of convex central configurations in the planar four-body problem
We prove that for every choice of four positive masses and every cyclic ordering of the bodies there is exactly one strictly convex planar central configuration with that ordering, up to similarity.Quantum undular bores, rainbows, and event horizons in superfluid dam breaks
The sudden removal of a potential barrier from a Bose-Einstein condensate (BEC) gives rise to a quantum version of a hydrodynamic dam break and leads to rich wave dynamics that have similarities to…Toroidal-Core Certificates for PPT-Squared Diagonal Orthogonal Covariant Channels
The positive-partial-transpose-squared (PPT-squared) conjecture asks whether the composition of two positive-partial-transpose (PPT) quantum channels must be entanglement breaking (EB).On the applicability of Kolmogorov's theory of probability to the description of quantum phenomena. Part II: Bell inequalities
Among the various "no-go theorems" in the foundations of quantum mechanics, Bell inequalities are among the few, which do not implicitly rely on the mathematical structure of quantum mechanics.Sipser-Spielman meets Dijkgraaf-Witten: non-Abelian qLDPC codes via twisted sheaf gauge theory and almost-constant-overhead magic state fountain
Sipser-Spielman codes and Dijkgraaf-Witten twisted gauge theories are among the most profound ideas in the last few decades in the areas of computer science and mathematical physics respectively.Exact Characterization of the Holevo Bound by a Quantum Fisher Information Family
The quantum Cramér-Rao bound constrains the precision of parameter estimation through the symmetric logarithmic derivative quantum Fisher information (SLD QFI).Exact series formulas for the capacities of the amplitude damping channel
We derive explicit, absolutely convergent series formulas for the quantum, unassisted classical, and entanglement-assisted classical capacities of the qubit amplitude damping channel, eliminating…Locality of KMS states for infinite fermionic lattice systems
We study how thermal equilibrium states of infinite fermionic lattices respond to perturbations of the Hamiltonian.Quantum gates from the middle convolution of twisted Burau representations
We study braid representations obtained from character-twisted Burau inputs by the Katz-Long-Moody (KLM) construction, which corresponds to multiplicative middle convolution for KZ-type equations.On the numerical limitations of dual Koopman von Neumann embeddings for solving conservative nonlinear ordinary differential equations on quantum computers
The simulation of nonlinear ordinary differential equations on quantum computers is inherently challenging, as quantum gates are linear operators on qubit states.Classical Sufficiency in Quantum Statistical Experiments
A quantum measurement transforms a quantum statistical experiment into a classical one, but different measurements generally yield experiments with different statistical information.Sharp universal death of entanglement threshold for Pauli Hamiltonians
We determine the exact universal high-temperature separability threshold for Pauli Hamiltonians of bounded degree $Δ\ge2$.Non-Abelian sheaf quantum LDPC codes: good and magical
Non-Abelian quantum codes connect quantum error correction, phases of matter, and computational resources.The Moreau-Yosida approximation of the Entanglement of Formation: basic properties and accuracy estimates
We describe a family of convex uniformly continuous functions $E^λ_F$, $λ>0$, on the set of states of a bipartite quantum system (consisting of finite-dimensional or infinite-dimensional…