The paper derives a density-independent renormalization of Fermi polaron g factors, g1,2 = g_X ± ξg_c, and predicts a tunable crossover from linear to elliptical polarization when magnetic field and strain compete.
(A1) Finally, using the energy scale assumptions (1), we can estimate the self-energy Σστ 0 (Eσ 0 ) = MT MX 2 ET,στ ×ln 1 +MX MT ˜Eτ F Eσ 0−εσ 0 +ET,στ− MT MX ˜Eτ F ! .(A2)
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Magnetic-field control of Fermi polaron fine structure and polarization in strained monolayer semiconductors
The paper derives a density-independent renormalization of Fermi polaron g factors, g1,2 = g_X ± ξg_c, and predicts a tunable crossover from linear to elliptical polarization when magnetic field and strain compete.