Testing Newtonian gravity at the nanometer distance scale using the iso-electronic effect

Ephraim Fischbach, Dennis E. Krause, Ricardo S. Decca, Daniel López

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We describe a new experimental and theoretical effort to search for new forces and extra spatial dimensions over nanometer distance scales. Since the Casimir force produces a large background over these distances, we plan to base our experiments on the iso-electronic effect. This utilizes the observation that the Casimir force depends primarily on the electronic properties of the test bodies, whereas new long-ranged forces also couple to nuclei. By measuring force differences between isotopes of the same element, we hope to greatly improve the current limits on new forces and extra dimensions at submicron separations.

Original languageEnglish (US)
Pages (from-to)165-171
Number of pages7
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume318
Issue number3
DOIs
StatePublished - Nov 10 2003

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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