Yasunori Nomura

Yasunori Nomura
Betsythedevine · CC BY-SA 4.0 · source
Name	Yasunori Nomura
Native name	野村 康則
Birth date	1975
Birth place	Tokyo, Japan
Nationality	Japanese
Fields	Theoretical physics, String theory, Particle physics, Cosmology
Workplaces	University of Tokyo, Kavli Institute for the Physics and Mathematics of the Universe, University of California, Berkeley, Lawrence Berkeley National Laboratory
Alma mater	University of Tokyo, Kyoto University
Doctoral advisor	Toshihide Maskawa
Known for	Work on supersymmetry, cosmology, anthropic reasoning, multiverse, particle phenomenology
Awards	Nishina Memorial Prize, JSPS Research Fellowship, Humboldt Research Award

Yasunori Nomura is a Japanese theoretical physicist known for contributions to particle physics, string theory, and cosmology. His work spans supersymmetry phenomenology, landscape and anthropic arguments, inflationary cosmology, and connections between high-energy theory and observable signatures at colliders and in cosmological data. He has held positions at leading institutions and collaborated widely with researchers in the United States, Europe, and Asia.

Early life and education

Nomura was born in Tokyo and educated in Japan, completing undergraduate and graduate studies at the University of Tokyo and doctoral work supervised by Toshihide Maskawa at the University of Tokyo and associated research centers. During his formative years he engaged with research groups connected to the High Energy Accelerator Research Organization and the Institute for Cosmic Ray Research, interacting with contemporaries from the University of Kyoto and international visitors from the Institute for Advanced Study and CERN. His early training emphasized quantum field theory, gauge theories, and the phenomenology of grand unified theories linked to research at the KEK facility and collaborations with scientists from the SLAC National Accelerator Laboratory and Fermilab.

Academic career and positions

Nomura's academic trajectory includes postdoctoral appointments and faculty positions at institutions such as the University of California, Berkeley, the Lawrence Berkeley National Laboratory, and the Kavli Institute for the Physics and Mathematics of the Universe at the University of Tokyo. He has served as a professor in departments affiliated with the Institute for Nuclear Theory and participated in visitor programs at Princeton University and the Perimeter Institute for Theoretical Physics. Nomura has held fellowships from the Japan Society for the Promotion of Science and research awards enabling sabbaticals at the Max Planck Institute for Physics and collaborative visits to groups at Stanford University, Harvard University, and Oxford University. He has been a principal investigator on grants linking faculty at the University of Tokyo with experimental efforts at the Large Hadron Collider and observational programs associated with the Planck satellite.

Research contributions and notable work

Nomura's research contributions include analyses of supersymmetric model-building, studies of the string landscape and its implications for low-energy physics, and proposals connecting inflationary scenarios to particle phenomenology. He has worked on models of supersymmetry breaking and mediation mechanisms that interface with searches at the ATLAS and CMS experiments, and examined implications for the Higgs boson mass and electroweak symmetry breaking relevant to results from the Large Hadron Collider. In the context of the multiverse and anthropic reasoning, Nomura has contributed to assessments of probability measures in eternal inflation related to the Coleman–De Luccia formalism and the Hartle–Hawking and Vilenkin proposals, engaging debates also involving researchers at Perimeter Institute and Institute for Theoretical Physics, Utrecht.

He has explored connections between string compactifications, moduli stabilization methods such as those associated with KKLT constructions and the Large Volume Scenario, and phenomenological signatures in cosmology and particle experiments. Nomura’s work on dark matter candidates interfaces with studies by groups at the Fermi Gamma-ray Space Telescope collaboration and dark-matter detection experiments like XENON and LUX-ZEPLIN. He has coauthored papers on the interplay between baryogenesis mechanisms, leptogenesis scenarios studied by researchers at the CERN Theory division, and neutrino physics linked to experiments such as Super-Kamiokande and T2K.

Nomura has collaborated with theorists working on effective field theory approaches, including connections to the AdS/CFT correspondence literature and applications to phenomenology pursued at the Institute for Advanced Study and Caltech.

Awards and honors

Nomura has received several honors recognizing his contributions, including the Nishina Memorial Prize and research fellowships awarded by the Japan Society for the Promotion of Science and the Japan Society for the Promotion of Science (JSPS) programs. He has been named a recipient of international recognitions such as the Humboldt Research Award and invited to deliver lectures at the Solvay Conference and the Sakurai Prize-associated symposia. His appointment to endowed chairs and visiting professorships at institutions like Berkeley and collaborative memberships in centers including the Kavli Foundation networks reflect his standing in the field.

Selected publications and impact

Nomura is author or coauthor of numerous influential articles in journals such as Physical Review Letters, Journal of High Energy Physics, and Physical Review D, addressing topics from supersymmetry phenomenology to cosmological implications of high-energy theories. Representative works include studies on supersymmetry breaking mediation mechanisms, analyses of landscape statistics and measure problems in eternal inflation, and papers linking string-theoretic constructions to testable signatures in collider and cosmological observables. His publications have been cited by researchers across collaborations at CERN, SLAC, KEK, and major university groups including MIT, Columbia University, and University of California, Santa Barbara.

The impact of Nomura’s work is evident in ongoing model-building efforts and in the framing of theoretical questions that guide searches at the Large Hadron Collider and in cosmological surveys like those conducted by the Dark Energy Survey and the Euclid mission. Colleagues and collaborators include physicists from the Institute for Advanced Study, Princeton University, and the University of Cambridge, reflecting a broad engagement across the global high-energy and cosmology communities.

Category:Japanese physicists Category:Theoretical physicists Category:University of Tokyo faculty