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288 papers · 1 filter
Vector disformal transformation of cosmological perturbations
Vassilis Papadopoulos, Moslem Zarei, Hassan Firouzjahi +1
We study disformal transformations of cosmological perturbations by vector fields in theories invariant under U(1) gauge transformations. Three types of vector disformal transforma…
Gravitational instability of filamentary molecular clouds, including ambipolar diffusion; Non-isothermal filament
Mohammad Hosseinirad, Shahram Abbassi, Mahmood Roshan +1
Recent observations of the filamentary molecular clouds show that their properties deviate from the isothermal equation of state. Theoretical investigations proposed that the logat…
Strongly anisotropic RKKY interaction in monolayer black phosphorus
Moslem Zare, Fariborz Parhizgar, Reza Asgari
We theoretically study the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction in two-dimensional black phosphorus, phosphorene. The RKKY interaction enhances significantly for the lo…
Improved determination of flavor asymmetry in the proton by BONuS experiment at JLAB and using an approach by Brodsky, Hoyer, Peterson, and Sakai
Maral Salajegheh, Hamzeh Khanpour, S. Mohammad Moosavi Nejad
The experimental data taken from both Drell-Yan and deep-inelastic scattering (DIS) experiments suggest a sign-change in flavor asymmetry in the proton at l…
Study of top quark dipole interactions in production associated with two heavy gauge bosons at the LHC
Seyed Mohsen Etesami, Sara Khatibi, Mojtaba Mohammadi Najafabadi
In this paper, we investigate the prospects of measuring the strong and weak dipole moments of the top quark at the Large Hadron Collider (LHC). Measurements of these couplings pro…
Hydrodynamic Excitations from Chiral Kinetic Theory and the Hydrodynamic Frames
Navid Abbasi, Kiarash Naderi, Farid Taghinavaz
In the framework of chiral kinetic theory (CKT), we consider a system of right- and left-handed Weyl fermions out of thermal equilibrium in a homogeneous weak magnetic field. We sh…