= Giorgi Dvali
{c}
{tag=Physicist}
{wiki}
= Gia Dvali
{c}
{synonym}
<Giorgi Dvali>, <Nima Arkani-Hamed> and <Savas Dimopoulos> proposed using <large extra dimensions> to address the <hierarchy problem>. In the proposal, <gravity> propagates through the larger spatial volume while low-<energy> <Standard Model> fields are confined to an effectively four-dimensional region. The resulting <Planck mass from compactification volume> relates apparently weak long-distance <gravity> to the geometry. Changes in short-distance gravitational forces and missing-<energy> signals provide possible experimental tests of this proposed framework.<The Hierarchy Problem and New Dimensions at a Millimeter by Nima Arkani-Hamed and others>[1998 abstract: localized Standard Model fields, gravitational propagation and experimental signatures]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Gia%20Dvali%20Lecture%20Tbilisi.png?width=250]
{title=Portrait of <Giorgi Dvali>}
{description=Gela Patashuri, lecture in Georgia, 29 September 2017. https://creativecommons.org/licenses/by-sa/4.0/[CC BY-SA 4.0], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Gia_Dvali_Lecture_Tbilisi.png}
{width=250}
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