3 papers
hep-th2026
Linear response beyond hydrodynamic poles
Andrea Amoretti, Daniel K. Brattan, Jonas Rongen
We consider the problem of writing an effective, linearised theory in small derivatives that reproduces the Mittag-Leffler expansion of a charge current correlator with an arbitrar…
hep-th2026
A new web of dualities from Majorana Fermions
Andrea Amoretti, Matteo Anselmi, Daniel K. Brattan
We explore new infrared dualities in -dimensional quantum field theories involving Majorana fermions. Building on the recently proposed operator-deformation approach to boso…
cond-mat.stat-mech2025
The Hamiltonian mechanics of exotic particles
Andrea Amoretti, Daniel K. Brattan, Luca Martinoia
We develop Hamiltonian mechanics on Aristotelian manifolds, which lack local boost symmetry and admit absolute time and space structures. We construct invariant phase space dynamic…