Finite path integrals on stochastic branched structures
- URL: http://arxiv.org/abs/2603.14136v1
- Date: Sat, 14 Mar 2026 21:54:51 GMT
- Title: Finite path integrals on stochastic branched structures
- Abstract summary: We present a statistical model of spacetime based on a finite collection of paths organized into a branched manifold.<n>For each configuration of the branched manifold, we define a Shannon entropy.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: In this paper, we present a statistical model of spacetime trajectories based on a finite collection of paths organized into a branched manifold. For each configuration of the branched manifold, we define a Shannon entropy. Given the variational nature of both the action in physics and the entropy in statistical mechanics, we explore the hypothesis that the classical action is proportional to this entropy. Under this assumption, we derive a Wick-rotated version of the path integral that remains finite and exhibits both quantum interference at the microscopic level and classical determinism at the macroscopic scale. In effect, this version of the path integral differs from the standard one because it assigns weights of non-uniform magnitude to different paths. The model suggests that wave function collapse can be interpreted as a consequence of entropy maximization. Although still idealized, this framework provides a possible route toward unifying quantum and classical descriptions within a common finite-entropy structure.
Related papers
- Flavor--Kinetic Entanglement Production from Decay and Scattering at Finite Density [8.774929554231917]
We show that tracing over kinematic degrees of freedom maps the total branch-changing transition probability onto the leading flavor--kinetic linear entanglement entropy.<n>As a proof of principle, this framework is applied to an $O(N)$ singlet-scalar extended model to probe thermal phase transitions.
arXiv Detail & Related papers (2026-08-08T08:04:45Z) - Operational interpretation of the reverse sandwiched Renyi divergences in composite quantum hypothesis testing [40.82628972269358]
We study the Hoeffding regime of composite quantum hypothesis testing, in which each hypothesis is specified by a sequence of sets of quantum states.<n>We find that passing from simple to composite hypotheses can fundamentally change which quantum divergence determines the operational limits of discrimination.
arXiv Detail & Related papers (2026-05-04T04:02:55Z) - Geometric Foundations of Stochastic and Quantum Dynamics [0.0]
Noise, diffusion, path probabilities, fluctuation theorems, and entropy production arise from the intrinsic geometry of an evolving manifold.<n>We show that behaviour, irreversity, and quantum transition amplitudes are unified within the moving manifold framework.
arXiv Detail & Related papers (2026-03-30T11:12:47Z) - Typical entanglement in anyon chains: Page curves beyond Lie group symmetries [41.99844472131922]
We study bipartite entanglement statistics in one-dimensional anyon chains constrained by fusion rules of unitary pre-modular categories.<n>Surprisingly, despite the constrained Hilbert space structure, the large $L$ expansion has no universal $O(sqrtL)$ or $O(1)$ symmetry-type corrections.<n> Numerical simulations of the integrable and quantum-chaotic golden chain Hamiltonian show that chaotic mid-spectrum eigenstates match the Haar-random predictions.
arXiv Detail & Related papers (2026-03-26T18:00:03Z) - From Feynman-Vernon to Wiener Stochastic Path Integral [0.0]
We show a direct connection between the Feynman-Vernon path integralism for open quantum systems and the Wiener integral path used in classical dynamics.
arXiv Detail & Related papers (2026-01-30T19:21:36Z) - Semiclassical entanglement entropy for spin-field interaction [41.99844472131922]
We study a general bipartite quantum system consisting of a spin interacting with a bosonic field.<n>Our goal is to develop a semiclassical framework to describe the entanglement dynamics between these two subsystems.
arXiv Detail & Related papers (2026-01-22T14:07:56Z) - Freeness Reined in by a Single Qubit [36.94429692322632]
We find that, even in this setting, the correlation functions predicted by free probability theory receive corrections of order $O(1)$.<n>We trace their origin to non-uniformly distributed stationary quantum states, which we characterize analytically and confirm numerically.
arXiv Detail & Related papers (2025-12-15T19:00:09Z) - A classical model for semiclassical state-counting [0.0]
Akers and I have shown that the entropy difference of microcanonical states has a relative state-counting interpretation.<n>This paper explains some of the curious features of relative state-counting by analogy to the classical limit of quantum statistical mechanics.
arXiv Detail & Related papers (2025-01-27T19:00:20Z) - Generalized quantum asymptotic equipartition [11.59751616011475]
AEP states that in the limit of a large number of independent and identically distributed (i.i.d.) random experiments, the output sequence is virtually certain to come from the typical set.<n>We prove a generalized quantum AEP beyond the i.i.d. framework where the random samples are drawn from two sets of quantum states.<n>We propose a new framework for quantum resource theory in which state transformations are performed without requiring precise characterization of the states being manipulated.
arXiv Detail & Related papers (2024-11-06T16:33:16Z) - Asymptotic Birkhoff-Violation in Operational Theories: Thermodynamic Implications and Information Processing [0.0]
Renowned Birkhoff-von Neumann theorem identifies source of randomness to be the application of reversible operations on the system under study.
Here, we extend this investigation beyond quantum mechanics to a broader class of operational theories described within the framework of general probabilistic theories.
We show that Birkhoff-violation in GPTs can lead to consequences that are atypical to quantum theory.
arXiv Detail & Related papers (2024-06-13T04:38:43Z) - A Theoretical Framework for an Efficient Normalizing Flow-Based Solution to the Electronic Schrodinger Equation [8.648660469053342]
A central problem in quantum mechanics involves solving the Electronic Schrodinger Equation for a molecule or material.<n>We propose a solution via an ansatz which is cheap to sample from, yet satisfies the requisite quantum mechanical properties.
arXiv Detail & Related papers (2024-05-28T15:42:15Z) - Radiative transport in a periodic structure with band crossings [47.82887393172228]
We derive the semi-classical model for the Schr"odinger equation in arbitrary spatial dimensions.
We consider both deterministic and random scenarios.
As a specific application, we deduce the effective dynamics of a wave packet in graphene with randomness.
arXiv Detail & Related papers (2024-02-09T23:34:32Z) - Directing entanglement spreading by means of a quantum East/West
heterojunction structure [10.033171830313124]
We extend the translationally invariant quantum East model to an inhomogeneous chain with East/West heterojunction structure.
We observe a cyclic entanglement entropy spreading in the heterojunction during time evolution, which can be regarded as continuous cycles in a quantum heat engine.
arXiv Detail & Related papers (2023-12-03T01:48:35Z) - Entanglement dynamics of spins using a few complex trajectories [77.34726150561087]
We consider two spins initially prepared in a product of coherent states and study their entanglement dynamics.
We adopt an approach that allowed the derivation of a semiclassical formula for the linear entropy of the reduced density operator.
arXiv Detail & Related papers (2021-08-13T01:44:24Z) - Quantum Fokker-Planck Dynamics [0.0]
This paper aims to obtain a quantum counterpart of Fokker-Planck dynamics.
Within this framework we present a quantization of the generalized Laplace operator.
We then construct and examine the behaviour of the corresponding Markov semigroups.
arXiv Detail & Related papers (2021-06-10T13:05:57Z) - Signatures of a critical point in the many-body localization transition [0.0]
We show a possible finite-size precursor of a critical point that shows a typical finite-size scaling.
We show that this singular point is found at the same disorder strength at which the Thouless and the Heisenberg energies coincide.
arXiv Detail & Related papers (2020-10-17T10:33:13Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.