What does DHOST mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand DHOST in the Miscellaneous field in general and in the Unclassified terminology in particular.
Degenerate Higher-Order Scalar-Tensor
Submitted by wikidude on September 12, 2019
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Definition
What does DHOST mean?
- dhost
- Degenerate Higher-Order Scalar-Tensor theories (or DHOST theories) are theories of modified gravity. They have a Lagrangian containing second-order derivatives of a scalar field but do not generate ghosts (kinetic excitations with negative kinetic energy), because they only contain one propagating scalar mode (as well as the two usual tensor modes).
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"DHOST." Abbreviations.com. STANDS4 LLC, 2024. Web. 28 Apr. 2024. <https://www.abbreviations.com/term/2133821>.
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