Matches in SemOpenAlex for { <https://semopenalex.org/work/W3034143137> ?p ?o ?g. }
- W3034143137 abstract "The effect of a magnetic field on the optical absorption in semiconductors has been measured experimentally and modeled theoretically for various systems in previous decades. We present a new first-principles approach to systematically determine the response of excitons to magnetic fields, i.e., exciton $g$ factors. By utilizing the $GW$-Bethe-Salpeter equation methodology we show that $g$ factors extracted from the Zeeman shift of electronic bands are strongly renormalized by many-body effects which we trace back to the extent of the excitons in reciprocal space. We apply our approach to monolayers of transition metal dichalcogenides (${mathrm{MoS}}_{2}$, ${mathrm{MoSe}}_{2}$, ${mathrm{MoTe}}_{2}$, ${mathrm{WS}}_{2}$, and ${mathrm{WSe}}_{2}$) with strongly bound excitons for which $g$ factors are weakened by about 30%." @default.
- W3034143137 created "2020-06-12" @default.
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- W3034143137 date "2020-06-02" @default.
- W3034143137 modified "2023-10-18" @default.
- W3034143137 title "<i>Ab Initio</i> Studies of Exciton <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mi>g</mml:mi></mml:math> Factors: Monolayer Transition Metal Dichalcogenides in Magnetic Fields" @default.
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- W3034143137 doi "https://doi.org/10.1103/physrevlett.124.226402" @default.
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