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| Ady Stern | |
|---|---|
| Name | Ady Stern |
| Nationality | Israeli |
| Fields | Condensed matter physics, Nanoscience |
| Institutions | Weizmann Institute of Science |
| Alma mater | Tel Aviv University |
| Known for | Experimental evidence for non-abelian anyons, fractional quantum Hall effect, Majorana modes |
Ady Stern is an Israeli condensed matter physicist noted for experimental and theoretical work on low-dimensional electronic systems, the fractional quantum Hall effect, and emergent quasiparticles with non-abelian statistics. He leads a research group that combines nanofabrication, mesoscopic physics, and cryogenic measurement techniques to probe topological phases of matter. His work has implications for quantum computation, interferometry, and the physics of two-dimensional electron systems.
Stern was educated in Israel, earning degrees at Tel Aviv University where he studied under supervisors influenced by research at institutions such as the Weizmann Institute of Science and international collaborations with groups at Stanford University, MIT, and the University of California, Berkeley. During his doctoral and postdoctoral training he interacted with scientists from Harvard University, Bell Labs, IBM Research, and the Max Planck Society, acquiring expertise in low-temperature techniques, nanolithography, and transport measurements. His formative years coincided with major developments in the study of the quantum Hall effect and the theory of interacting electrons in low dimensions, linking him to wider communities around the Institute for Advanced Study and the University of Cambridge.
Stern holds a faculty position at the Weizmann Institute of Science where he directs a laboratory focused on mesoscopic and topological phenomena. He has held visiting appointments and collaborative ties with groups at Microsoft Research, the University of Oxford, Princeton University, Columbia University, and the California Institute of Technology. His group fabricates devices using cleanroom facilities compatible with collaborations involving CERN-related instrumentation and cryogenic platforms common to laboratories at the National High Magnetic Field Laboratory and the Niels Bohr Institute. Stern’s career is marked by joint projects with experimentalists and theorists from the Kavli Institute for Theoretical Physics, Los Alamos National Laboratory, and large-scale initiatives in quantum information research at ETH Zurich and University of Tokyo.
Stern has produced influential experimental and theoretical results on the fractional quantum Hall effect in two-dimensional electron gases hosted by GaAs heterostructures and related materials. His work provided evidence for quasiparticles obeying non-abelian statistics, an idea rooted in proposals by Gregory Moore and Nicholas Read and connected to concepts advanced by Alexei Kitaev and Anton Kapustin. Stern led interferometry experiments testing predictions about anyonic braiding that engaged techniques pioneered in quantum point contact research and shot-noise measurements developed at Bell Labs and Yale University. His investigations of edge-state transport and tunneling built on earlier frameworks from Bertrand Halperin and Xiao-Gang Wen, refining understanding of equilibration and decoherence in mesoscopic interferometers.
He contributed to the study of Majorana modes in hybrid superconductor-semiconductor systems, paralleling experimental paths pursued by groups at Delft University of Technology and Microsoft Station Q, and theoretical frameworks advanced by Roman Lutchyn and Jason Alicea. Stern’s analyses of charge fractionalization, quasiparticle dynamics, and neutral modes informed interpretations of experiments from the University of Maryland and the University of Copenhagen. His cross-disciplinary work links topological order, interferometry, and potential implementations of topological qubits as envisaged by researchers at Google Quantum AI and IARPA-funded programs.
Stern’s achievements have been recognized by national and international bodies. He has received prizes and fellowships from organizations like the European Research Council, the Israel Academy of Sciences and Humanities, and national funding agencies associated with the Ministry of Science and Technology (Israel). He has been invited to deliver named lectures at forums such as the Nobel Symposiums, the American Physical Society meetings, and conferences organized by the International Union of Pure and Applied Physics. Stern has been elected to panels and advisory boards including roles comparable to those held by members of the National Academy of Sciences and has participated in program committees for workshops at the Perimeter Institute and the Aspen Center for Physics.
- Stern authored and coauthored experimental reports and theoretical analyses in leading journals alongside collaborators from Weizmann Institute of Science, Harvard University, Stanford University, and IBM Research. Representative topics include interferometry in the fractional quantum Hall effect, measurements of quasiparticle charge and statistics, and studies of Majorana signatures in hybrid devices. - He has contributed review articles and perspectives appearing in venues similar to Reviews of Modern Physics and Nature Physics, synthesizing results from groups at ETH Zurich, University of Cambridge, Princeton University, and Columbia University. - Stern’s papers are frequently cited alongside foundational works by Robert Laughlin, A. J. Leggett, J. Michael Kosterlitz, and Philip W. Anderson for their impact on condensed matter and topological phases.
Stern is active in mentoring students and postdoctoral researchers, fostering collaborations across institutions such as Tel Aviv University, the Weizmann Institute of Science, and international centers including the Institute of Physics (UK), Max Planck Institutes, and CNRS laboratories. He engages in outreach to scientific communities at meetings of the American Physical Society and the European Physical Society, and supports initiatives that bridge fundamental research with applications in quantum technologies promoted by consortia including Quantum Flagship and industry partners like Intel and Cisco Systems.
Category:Israeli physicists Category:Condensed matter physicists Category:Weizmann Institute of Science faculty