Geoffrey C. Gardner
Physics and Astronomy · Purdue University West Lafayette
Publications
168
Citations
3,098
Est. group size
~5
Recurring co-author estimate
Active years
56
Publishing since 1970
Geoffrey C. Gardner's research focuses on the physics of ultra-clean semiconductor devices, especially GaAs-based quantum wells and heterostructures used to study the fractional quantum Hall effect—a phenomenon where electrons in very cold, high-magnetic-field conditions behave collectively in exotic ways. Much of the work involves growing high-purity materials by molecular beam epitaxy and building nanoscale devices (like interferometers and quantum point contacts) to detect subtle quantum effects such as anyonic braiding statistics, where particle-like excitations exhibit unusual quantum behavior when swapped. The work bridges materials growth, device fabrication, and low-temperature quantum transport measurements.
Publication output rose to a peak around 2019-2021 and has declined markedly in the last few years, from around 30 papers annually to just a few by 2024-2025.
Generated by claude-sonnet-5 from public bibliographic data · Jul 20, 2026
- Single electron interference and capacitive edge mode coupling generates $Φ_0/2$ flux periodicity in Fabry-Perot interferometers
arXiv (Cornell University) · 2025
- Automated <i>In Situ</i> Optimization and Disorder Mitigation in a Quantum Device
Physical Review Letters · 2025
- Fabry-Perot interferometry at the $ν$ = 2/5 fractional quantum Hall state
arXiv (Cornell University) · 2023
- Half-integer conductance plateau at the $ν= 2/3$ fractional quantum Hall state in a quantum point contact
arXiv (Cornell University) · 2022
- Data for "Impact of bulk-edge coupling on observation of anyonic braiding statistics in quantum Hall interferometers"
Zenodo (CERN European Organization for Nuclear Research) · 2021
- Data for "Impact of bulk-edge coupling on observation of anyonic braiding statistics in quantum Hall interferometers"
Zenodo (CERN European Organization for Nuclear Research) · 2021
- Characterizing Quantum Devices at Scale with Custom Cryo-CMOS
Physical Review Applied · 2020
- Reduction of charge noise in shallow GaAs/AlGaAs heterostructures with insulated gates
Applied Physics Letters · 2020
- Hidden Quantum Hall Stripes in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Al</mml:mi></mml:mrow><mml:mrow><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>Ga</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub></mml:mrow><mml:mi>As</mml:mi><mml:mo>/</mml:mo><mml:msub><mml:mrow><mml:mi>Al</mml:mi></mml:mrow><mml:mrow><mml:mn>0.24</mml:mn></mml:mrow></mml:msub><mml:mrow><mml:msub><mml:mrow><mml:mi>Ga</mml:mi></mml:mrow><mml:mrow><mml:mn>0.76</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mi>As</mml:mi></mml:mrow></mml:math> Quantum Wells
Physical Review Letters · 2020
- Direct observation of anyonic braiding statistics at the $ν$=1/3 fractional quantum Hall state
arXiv (Cornell University) · 2020
- Resistivity anisotropy of quantum Hall stripe phases
Physical review. B./Physical review. B · 2019
- Superconducting gatemon qubits based on selective-area-grown semiconductor materials
Bulletin of the American Physical Society · 2019
- Quantum Hall stripes with a reduced transport anisotropy at half-filled Landau levels in GaAs quantum wells
APS March Meeting Abstracts · 2019
- Effect of low-temperature illumination on quantum lifetime in GaAs quantum wells
Bulletin of the American Physical Society · 2018
- On-Chip Microwave Quantum Hall Circulator
Physical Review X · 2017
- Bulletin of the American Physical Society×42
- arXiv (Cornell University)×27
- Physical Review Letters×13
- Physical review. B./Physical review. B×9
- Zenodo (CERN European Organization for Nuclear Research)×9
- Meng Wu
Physics and Astronomy · The Ohio State University
- Michael J. Manfra
Physics and Astronomy · Purdue University West Lafayette
- James Nakamura
Physics and Astronomy · Purdue University West Lafayette
- G. A. Csáthy
Physics and Astronomy · Purdue University West Lafayette
- S. A. Myers
Physics and Astronomy · Purdue University West Lafayette
This profile was generated automatically from public scholarly data (OpenAlex). Group size and activity levels are estimates derived from co-authorship patterns.
Last updated Jul 20, 2026.
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