= Savas Dimopoulos
{c}
{tag=Physicist}
{wiki}
A theoretical <particle physicist> who coauthored a proposal relating the <hierarchy problem> to large compact extra dimensions. In the model, <gravity> spreads through dimensions unavailable to ordinary <Standard Model> fields, making it appear weak at long distances. The proposal connects an otherwise abstract disparity of energy scales to possible short-distance gravity and accelerator measurements.<The Hierarchy Problem and New Dimensions at a Millimeter by Nima Arkani-Hamed and others>[Abstract: compact dimensions, localized Standard Model fields and experimental signatures]{ref}
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