Gerald B. Cleaver

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Gerald Bryan Cleaver
Residence United States
Nationality United States
Alma mater Caltech
Valparaiso University
Known for String theory and string phenomenology
Scientific career
Fields Physics
Institutions Baylor University
Texas A&M University
Doctoral advisor John Schwarz

Gerald B. Cleaver is a professor in the Department of Physics at Baylor University[1] and is the Head of the Early Universe Cosmology and Strings (EUCOS) division of Baylor's Center for Astrophysics, Space Physics & Engineering Research (CASPER).[citation needed] His research specialty is string phenomenology and string model building.


Gerald Cleaver did his Ph.D. at Caltech where John H. Schwarz was his thesis adviser. As a postdoc at Texas A&M University he worked with Dimitri Nanopoulos.[citation needed]


With Dimitri Nanopoulos Cleaver constructed the first[citation needed] string-derived model containing only the particles of the Minimal Supersymmetric Standard Model (MSSM) in the observable sector.[2]

At Baylor University Cleaver has constructed the first[citation needed] string derived Near-MSSM[3] possessing the potential to resolve the factor-of-20 difference between the MSSM unification scale of 2.5×1025 eV (25 YeV or 4.0 MJ) and the weakly coupled heterotic string scale of 5×1026 eV (500 YeV or 80 MJ) via a robust method referred to as "optical unification".


Gerald Cleaver has authored more than 75 papers on Superstring/M-Theory, six of which are cited more than 50 times and four of which are cited more than 100 times.[citation needed]


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