Journal
PHYSICAL REVIEW B
Volume 103, Issue 13, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.103.134515
Keywords
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Funding
- National Science Foundation (NSF) [DMR-1644779]
- state of Florida
- U.S. Department of Energy (DOE)
- US DOE Office of Basic Energy Sciences Science of 100T program
- Quantum Materials program at the Canadian Institute for Advanced Research
- NSF [DMR 1905519]
- DOE, Basic Energy Sciences, Materials Sciences and Engineering Division
- Gordon and Betty Moore Foundation's EPiQS Initiative [GBMF9074]
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Using time-domain terahertz spectroscopy in pulsed magnetic fields up to 31 T, the study measured the terahertz optical conductivity in an optimally doped thin film of the high-temperature superconducting cuprate La1.84Sr0.16CuO4, revealing systematic changes in the circularly polarized complex optical conductivity consistent with cyclotron absorption of p-type charge carriers. This opens up opportunities for investigating the influence of electron-electron interactions on carrier masses in cuprate superconductors.
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 La1.84Sr0.16CuO4. 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 4.9m(e) +/- 0.8m(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.
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