Papers

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The Sine-Gordon QFT in de Sitter spacetime

Daniela Cadamuro, Markus B. Fröb, Carolina Moreira Ferrera
April 18, 2024
perturbative AQFT, Sine-Gordon model, de Sitter space
open access link

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

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

A quantum energy inequality in the Sine--Gordon model

Markus B. Fröb, Daniela Cadamuro
December 14, 2022
open access link article file

Local operators in the Sine-Gordon model: $\partial_\mu \phi\, \partial_\nu \phi$ and the stress tensor

Markus B. Fröb, Daniela Cadamuro
May 18, 2022
open access link article file

Trace anomaly for chiral fermions via Hadamard subtraction

Markus B. Fröb, Jochen Zahn
April 24, 2019
open access link doi:10.1007/JHEP10(2019)223

Anomalies in time-ordered products and applications to the BV-BRST formulation of quantum gauge theories

Markus B. Fröb
March 27, 2018
open access link Commun. Math. Phys. (2019)

Approaches to linear local gauge-invariant observables in inflationary cosmologies

Markus B. Fröb, Thomas-Paul Hack, Igor Khavkine
January 08, 2018
open access link Class. Quantum Grav. 35, 115002 (2018)

Propagators for gauge-invariant observables in cosmology

Markus B. Fröb, William C. C. Lima
November 22, 2017
open access link Class. Quant. Grav. 35 (2018) 095010

Green's functions and Hadamard parametrices for vector and tensor fields in general linear covariant gauges

Markus B. Fröb, Mojtaba Taslimi Tehrani
August 01, 2017
open access link Phys. Rev. D 97 (2018) 025022