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Volumn 90, Issue 4, 2014, Pages

Orbital-dependent polaron formation in the relativistic Mott insulator Sr2 IrO4

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EID: 84904795979     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.90.041105     Document Type: Article
Times cited : (35)

References (39)
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    • We extracted the energies of (Equation presented) transitions from the dips in (Equation presented)ε(Equation presented)(ω)/(Equation presented)ω(Equation presented) to minimize the fitting errors. According to the Lorentz oscillator model for ε(Equation presented)(ω), the dips in (Equation presented)ε(Equation presented)(ω)/(Equation presented)ω(Equation presented) correspond to the peaks in ε(Equation presented)(ω).
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    • Here, we did not consider the Raman-active modes. It is because a previous time-resolved spectroscopy showed there are no coherent phonons in the decay process [, ()], suggesting that the Raman-active modes might not couple with the electron or hole as strong as the infrared-active modes. Further experiments and theoretical studies are needed to clarify this issue. 10.1103/PhysRevB.86.035128
    • Here, we did not consider the Raman-active modes. It is because a previous time-resolved spectroscopy showed there are no coherent phonons in the decay process [D. Hsieh, F. Mahmood, D. H. Torchinsky, G. Cao, and N. Gedik, Phys. Rev. B 86, 035128 (2012)], suggesting that the Raman-active modes might not couple with the electron or hole as strong as the infrared-active modes. Further experiments and theoretical studies are needed to clarify this issue. 10.1103/PhysRevB.86.035128
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