Observation of cyclotron resonance and measurement of the hole mass in optimally-doped La${}_{2-x}$Sr${}_x$CuO${}_4$

Abstract

Using time-domain terahertz spectroscopy in pulsed magnetic fields up to 31 T, we measure the terahertz optical conductivity in an optimally-doped thin film of the high temperature superconducting cuprate La${}_{1.84}$Sr${}_{0.16}$CuO${}_4$. We observe systematic changes in the circularly-polarized complex optical conductivity that are consistent with cyclotron absorption of p-type charge carriers characterized by a cyclotron mass of $4.9\pm 0.8$ $m_{\mathrm{e}}$, and a scattering rate that increases with magnetic field. These results open the door to studies aimed at characterizing the degree to which electron-electron interactions influence carrier masses in cuprate superconductors.

arXiv comment6 pages, 4 figures

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Cited by in corpus (12)

• Cuprate superconductors as viewed through a striped lens
• Evolution of the cyclotron mass with doping in La${}_{2-x}$Sr${}_x$CuO${}_4$
• $B^2$ to $B$-linear magnetoresistance due to impeded orbital motion
• Competition between spin ordering and superconductivity near the pseudogap boundary in La2-xSrxCuO4: insights from NMR
• Magneto-optical Spectroscopy with RAMBO: A Table-Top 30 T Magnet
• Beyond Drude transport in hydrodynamic metals
• Linear Magnetoresistance from Glassy Orders
• Strange metal from spin fluctuations in a cuprate superconductor
• Magnetotransport in overdoped La${}_{2-x}$Sr${}_x$CuO${}_4$: a Fermi liquid approach
• Calculations of Spin Fluctuation Spectral Functions ${\alpha }^{2}F$ in High-Temperature Superconducting Cuprates
• Theory of Linear Magnetoresistance in a Strange Metal
• Magnetotransport in overdoped La${}_{2-x}$Sr${}_x$CuO${}_4$: Effect of anisotropic scattering