Convoluted generalized white noise, Schwinger functions and their analytic continuation to Wightman functions

S Albeverio, H Gottschalk, JL Wu - Reviews in Mathematical …, 1996 - World Scientific
We construct Euclidean random fields X over by convoluting generalized white noise F with
some integral kernels G, as X= G* F. We study properties of Schwinger (or moment) …

[PDF][PDF] A perspective on constructive quantum field theory

SJ Summers - arXiv preprint arXiv:1203.3991, 2012 - arxiv.org
Quantum field theory (QFT) is widely viewed as one of the most successful theories in
science—it has predicted phenomena before they were observed in nature 2, and its …

Systems of classical particles in the grand canonical ensemble, scaling limits and quantum field theory

S Albeverio, H Gottschalk… - Reviews in Mathematical …, 2005 - World Scientific
Euclidean quantum fields obtained as solutions of stochastic partial pseudo differential
equations driven by a Poisson white noise have paths given by locally integrable functions …

Quasi regular Dirichlet forms and the stochastic quantization problem

S Albeverio, ZM Ma, M Röckner - Festschrift Masatoshi Fukushima …, 2015 - World Scientific
After recalling basic features of the theory of symmetric quasi regular Dirichlet forms we
show how by applying it to the stochastic quantization equation, with Gaussian space-time …

[HTML][HTML] H− C1 Maps and elliptic SPDEs with polynomial and exponential perturbations of Nelson's Euclidean free field

S Albeverio, MW Yoshida - Journal of Functional Analysis, 2002 - Elsevier
Elliptic stochastic partial differential equations (SPDE) with polynomial and exponential
perturbation terms defined in terms of Nelson's Euclidean free field on Rd are studied using …

Construction of relativistic quantum fields in the framework of white noise analysis

M Grothaus, L Streit - Journal of Mathematical Physics, 1999 - pubs.aip.org
We construct a class of Euclidean invariant distributions Φ H indexed by a function H
holomorphic at zero. These generalized functions can be considered as generalized …

Representations of Hermitian Kernels¶ by Means of Krein Spaces.¶ II. Invariant Kernels

T Constantinescu, A Gheondea - Communications in Mathematical …, 2001 - Springer
In this paper we study hermitian kernels invariant under the action of a semigroup with
involution. We characterize those hermitian kernels that realize the given action by bounded …

Analytic and probabilistic aspects of Lévy processes and fields in quantum theory

S Albeverio, B Rüdiger, JL Wu - Lévy Processes: Theory and Applications, 2001 - Springer
A review of work on the description of generators and processes associated with stochastic
(partial or pseudo-) differential equations driven by general white noises (including jump as …

Fractional quantum fields

SC Lim, CH Eab - Applications in Physics, Part B, VE Tarasov, Ed, 2019 - degruyter.com
Fractional Klein–Gordon field at zero and positive temperature can be obtained as an infinite
collection of corresponding fractional oscillators. Free energy associated with the fractional …

On the essential self-adjointness of Wick powers of relativistic fields and of fields unitary equivalent to random fields

S Albeverio, B Ferrario, MW Yoshida - Acta Applicandae Mathematica, 2004 - Springer
On the Essential Self-Adjointness of Wick Powers of Relativistic Fields and of Fields Unitary
Equivalent to Random Fields Page 1 Acta Applicandae Mathematicae 80: 309–334, 2004. © …