Particle Physics and Cosmology: A Themed Issue in Honor of Professor Dimitri Nanopoulos

Dear Colleagues,

Supersymmetry provides a natural solution to the gauge hierarchy problem in the Standard Model (SM). In the supersymmetric SM, we can achieve gauge coupling unification, have a dark matter candidate, and break electroweak gauge symmetry through a radiative process. In particular, gauge coupling unification strongly suggests the Grand Unified Theory (GUT). Also, string theory is a promising candidate for quantum gravity, and the supersymmetric GUT can be constructed from string theory. Moreover, supersymmetry provides a natural framework for inflation. Prof. Dimitri Nanopoulos is one of the leading experts in the world on particle physics, supersymmetry, GUTs, string model building, and cosmology. For example, with various collaborators, he first studied the Higgs production at a hadronic collider via gluon fusion, proposed the flipped SU(5) model and constructed it from string theory, as well as proposed no-scale supergravity and studied its inflation.

This Special Issue is designed in honor of Prof. Dimitri Nanopoulos and to highlight the recent progress in particle physics and cosmology.

Prof. Dr. Jun-Jie Cao
Prof. Dr. Yungui Gong
Prof. Dr. Tianjun Li
Dr. Natsumi Nagata
Guest Editors

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