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.[ref]
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
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Savas Dimopoulos is a theoretical physicist known for his work in the fields of particle physics, cosmology, and high-energy physics. He has made significant contributions to various topics, including supersymmetry, extra dimensions, and the nature of dark matter. Dimopoulos is often associated with research that explores physics beyond the Standard Model, which is the current framework describing fundamental particles and their interactions. He has held academic positions at institutions such as Stanford University and has published numerous scientific papers.