Bradford A. Barker

University of California, Merced — United States

Physics and Astronomy · Physical Sciences

7h-index457citations31works7.72yr avg
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Research Topics

Advanced Chemical Physics Studies(5), 2D Materials and Applications(4), Topological Materials and Phenomena(4), Advanced Condensed Matter Physics(4), Physics of Superconductivity and Magnetism(3)

Publications31 total

Highly tunable magnetocrystalline anisotropy energy in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow><mml:mi>Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:math>-doped <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>BaTiO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math>
Physical review. B./Physical review. B·2024· 1 citedOpen Access
Computation of the expectation value of the spin operator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msup> <mml:mrow> <mml:mover> <mml:mi>S</mml:mi> <mml:mo>^</mml:mo> </mml:mover> </mml:mrow> <mml:mn>2</mml:mn> </mml:msup> </mml:mrow> </mml:math> for the spin-flip Bethe–Salpeter equation
Electronic Structure·2024Open Access
A substitutional quantum defect in WS2 discovered by high-throughput computational screening and fabricated by site-selective STM manipulation
Nature Communications·2024· 22 citedOpen Access
A substitutional quantum defect in WS2 discovered by high-throughput computational screening and fabricated by site-selective STM manipulation
Research Square (Research Square)·2023· 2 citedOpen Access
A substitutional quantum defect in WS$_2$ discovered by high-throughput computational screening and fabricated by site-selective STM manipulation
arXiv (Cornell University)·2023· 2 citedOpen Access
Exchange-Driven Intermixing of Bulk and Topological Surface States by Chiral Excitons in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Se</mml:mi></mml:mrow><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
Physical Review Letters·2023· 10 citedOpen Access
Exchange-Driven Intermixing of Bulk and Topological Surface State by Chiral Excitons in Bi2Se3
arXiv (Cornell University)·2023Open Access
Spinor <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>G</mml:mi><mml:mi>W</mml:mi></mml:mrow></mml:math>/Bethe-Salpeter calculations in BerkeleyGW: Implementation, symmetries, benchmarking, and performance
Physical review. B./Physical review. B·2022· 27 citedOpen Access
Spin-flip Bethe-Salpeter equation approach for ground and excited states of open-shell molecules and defects in solids
arXiv (Cornell University)·2022· 5 citedOpen Access
Fully relativistic $GW$/Bethe-Salpeter calculations in BerkeleyGW: implementation, symmetries, benchmarking, and performance
arXiv (Cornell University)·2022Open Access
The electronic structure of $β$-HgS via $GW$ calculations
arXiv (Cornell University)·2022· 1 citedOpen Access
Investigation of continuum lowering in solid silicon under extreme pressure
Bulletin of the American Physical Society·2021
Ground and excited states of open-shell molecules and atoms from a spin-flip Bethe-Salpeter approach
Bulletin of the American Physical Society·2021
The Spin-Flip Bethe-Salpeter Equation approach to transition metal dimers and defects in solids
Bulletin of the American Physical Society·2021
The Spin-Flip Bethe-Salpeter Equation approach, and applications to molecular magnets and defects in solids for quantum information
Bulletin of the American Physical Society·2020
Comparing time-dependent density functional theory with many-body perturbation theory for semiconductors: Screened range-separated hybrids and the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>G</mml:mi><mml:mi>W</mml:mi></mml:mrow></mml:math> plus Bethe-Salpeter approach
Physical Review Materials·2019· 90 citedOpen Access
The Spin-Flip BSE approach and applications to simple molecular systems
Bulletin of the American Physical Society·2019
Screened Range-Separated Hybrid Functional and GW + GW-BSE Calculations of Prototypical Semiconductors: A Comparison
Bulletin of the American Physical Society·2019
Geometry and electronic structure of iridium adsorbed on graphene
Physical review. B./Physical review. B·2019· 17 citedOpen Access
Inversion symmetry and bulk Rashba effect in methylammonium lead iodide perovskite single crystals
Nature Communications·2018· 260 citedOpen Access
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Frequent Co-authors

Steven G. Louie(15), David A. Strubbe(12), Jeffrey B. Neaton(5), Jack Deslippe(5), Oleg V. Yazyev(5), Sinéad M. Griffin(4), Marco Bernardi(3), Yihuang Xiong(3), Junze Zhou(3), Antonio Rossi(3), Nolan Kelly(3), Zhuohang Yu(3), Da Zhou(3), Shalini Kumari(3), Edward S. Barnard(3), Joshua A. Robinson(3), Mauricio Terrones(3), Adam Schwartzberg(3), D. Frank Ogletree(3), Eli Rotenberg(3)