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Quantum enhanced metrology in the search for fundamental physical phenomena

Journal Article · · SciPost Physics Lecture Notes
 [1]
  1. Joint Institute for Laboratory Astrophysics

These notes summarize lectures given at the 2019 Les Houches summer school on Quantum Information Machines. They describe and review an application of quantum metrology concepts to searches for ultralight dark matter. In particular, for ultralight dark matter that couples as a weak classical force to a laboratory harmonic oscillator, quantum squeezing benefits experiments in which the mass of the dark matter particle is unknown. This benefit is present even if the oscillatory dark matter signal is much more coherent than the harmonic oscillator that it couples to, as is the case for microwave frequency searches for dark matter axion particles.

Sponsoring Organization:
USDOE
OSTI ID:
1854417
Journal Information:
SciPost Physics Lecture Notes, Journal Name: SciPost Physics Lecture Notes; ISSN 2590-1990
Publisher:
Stichting SciPostCopyright Statement
Country of Publication:
Country unknown/Code not available
Language:
English

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