Entropy-area law and temperature of de Sitter horizons from modular theory

Edoardo D'Angelo, Markus B. Fröb, Stefano Galanda, Paolo Meda, Albert Much, Kyriakos Papadopoulos
November 23, 2023
de Sitter space, entropy, modular flow, half-sided modular inclusions, quantum energy inequalities
open access link Prog. Theor. Exp. Phys. 2 (2024) 021A01

On the stochastic Sine-Gordon model: an interacting field theory approach

Alberto Bonicelli, Claudio Dappiaggi, Paolo Rinaldi
November 02, 2023
stochastic Sine-Gordon model, pAQFT
open access link

Obstructions to the existence of Møller maps

Marco Benini, Alastair Grant-Stuart, Giorgio Musante, Alexander Schenkel
October 31, 2023
perturbative field theory, Møller maps, Batalin-Vilkovisky formalism, L∞-algebras
open access link

Relative Entropy in de Sitter is a Noether Charge

Markus Fröb, Albert Much, Kyriakos Papadopoulos
October 18, 2023
QFT on curved spacetimes, modular theory
open access link Phys. Rev. D 108 (2023) 105004

Construction of envelopes of holomorphy and QFT

Ulrich Armbrüster
September 12, 2023
QFT, mass gap, holomorphic continuation
open access link
This paper is a remodeling of my previous work from 1996 at the Sonderforschungsbereich "Geometry and Analysis" at the University of Göttingen.

Modular Hamiltonian for de Sitter diamonds

Markus B. Fröb
August 28, 2023
QFT on curved spacetimes, modular theory
open access link JHEP 12 (2023) 074

Lorentzian bordisms in algebraic quantum field theory

Severin Bunk, James MacManus, Alexander Schenkel
August 02, 2023
algebraic quantum field theory, functorial field theory, Lorentzian geometry, bordisms, pseudo-categories
open access link

Symmetries in Quantum Field Theory and superselection structure

Karl-Henning Rehren
July 18, 2023
Symmetries, Superselection sectors, Conformal quantum field theory, two-dimensional models
Commissioned by the Encyclopedia of Mathematical Physics, M. Bojowald and R.J. Szabo (eds.). To be published by Elsevier.
article file

String-localized quantum field theory

Karl-Henning Rehren, Bert Schroer
July 18, 2023
String-localized quantum fields, perturbative QFT, causal perturbation theory, Standard Model of particles
Commissioned by the Encyclopedia of Mathematical Physics, M. Bojowald and R.J. Szabo (eds.). To be published by Elsevier.
article file

Universal first-order Massey product of a prefactorization algebra

Simen Bruinsma, Alexander Schenkel, Benoit Vicedo
July 10, 2023
prefactorization algebras, dg-operads, minimal models, Massey products
open access link

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