Browsing NTNU Open by Author "Mojahed, Martin Aria"

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Condensates and pressure of two-flavor chiral perturbation theory at nonzero isospin and temperature

Andersen, Jens Oluf; Mojahed, Martin Aria; Adhikari, Prabal (Peer reviewed; Journal article, 2021)

We consider two-flavor chiral perturbation theory (χPT) at finite isospin chemical potential μI and finite temperature T . We calculate the effective potential and the quark and pion condensates as functions of T and μI ...
On-shell recursion relations for nonrelativistic effective field theories

Mojahed, Martin Aria; Brauner, Tomas (Peer reviewed; Journal article, 2021)

We derive on-shell recursion relations for nonrelativistic effective field theories (EFTs) with enhanced soft limits. The recursion relations are illustrated through analytic calculation of tree-level scattering amplitudes ...
Two-flavor chiral perturbation theory at finite isospin density beyond leading order

Mojahed, Martin Aria (Master thesis, 2020)

I denne avhandlinga studerer me two-flavor QCD ved endeleg isospin kjemisk potensial ved å bruke kiral perturbasjonsteori forbi leiande orden i lågenergi ekspansjonen. Me reknar ut pionkondensatet og det kirale kondensatet ...