Matches in SemOpenAlex for { <https://semopenalex.org/work/W3089338575> ?p ?o ?g. }
- W3089338575 abstract "We develop a framework for computing light dark matter direct detection rates through single phonon and magnon excitations via general effective operators. Our work generalizes previous calculations focused on spin-independent interactions involving the total nucleon and electron numbers $N$ (the usual route to excite phonons) and spin-dependent interactions involving the total electron spin $mathbit{S}$ (the usual route to excite magnons), leading us to identify new responses involving the orbital angular momenta $mathbit{L}$, as well as spin-orbit couplings $mathbit{L}ensuremath{bigotimes}mathbit{S}$ in the target. All four types of responses can excite phonons, while couplings to electron's $mathbit{S}$ and $mathbit{L}$ can also excite magnons. We apply the effective field theory approach to a set of well-motivated relativistic benchmark models, including (pseudo) scalar mediated interactions, and models where dark matter interacts via a multipole moment, such as a dark electric dipole, magnetic dipole or anapole moment. We find that couplings to pointlike degrees of freedom $N$ and $mathbit{S}$ often dominate dark matter detection rates, implying that exotic materials with orbital $mathbit{L}$ order or large spin-orbit couplings $mathbit{L}ensuremath{bigotimes}mathbit{S}$ are not necessary to have strong reach to a broad class of DM models. We highlight that phonon based crystal experiments in active R (such as SPICE) will probe light dark matter models well beyond those having a simple spin-independent interaction, including e.g., models with dipole and anapole interactions. Lastly, we make publicly available a code, $mathsf{PhonoDark}$, which computes single phonon production rates in a wide variety of materials with the effective field theory framework." @default.
- W3089338575 created "2020-10-08" @default.
- W3089338575 creator A5023947715 @default.
- W3089338575 creator A5041759371 @default.
- W3089338575 creator A5087822747 @default.
- W3089338575 date "2022-01-04" @default.
- W3089338575 modified "2023-09-26" @default.
- W3089338575 title "Effective field theory of dark matter direct detection with collective excitations" @default.
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