New constraints on varying alpha by Rocha, G, Trotta, R, Martins, C, Melchiorri, A, Avelino, P, Viana, P

Measuring alpha in the early Universe: cosmic microwave background polarization, re-ionization and the Fisher matrix analysis by Rocha, G, Trotta, R, Martins, C, Melchiorri, A, Avelino, P, Bean, R, Viana, P

Measuring alpha in the early universe: CMB temperature, large-scale structure, and Fisher matrix analysis by Martins, C, Melchiorri, A, Trotta, R, Bean, R, Rocha, G, Avelino, P, Viana, P