Dr. Matthew Fisher is a preeminent theoretical physicist whose pioneering work has profoundly shaped contemporary understanding of quantum phenomena in condensed matter systems. He currently serves as a Professor of Physics at the University of California, Santa Barbara, where he has maintained a distinguished research program since joining the Kavli Institute for Theoretical Physics in 1993. Fisher earned his PhD in theoretical physics from the University of Illinois at Urbana-Champaign in 1986 under Nobel laureate Anthony Leggett, following his undergraduate studies in engineering physics at Cornell University. His remarkable career trajectory includes significant appointments as a Research Staff Member at IBM's T.J. Watson Research Center from 1986 to 1993, a research position at Microsoft's Station Q beginning in 2007, and a visiting professorship at Caltech during the 2009-2010 academic year before returning to UCSB.
Fisher has established himself as one of the leading figures in condensed matter physics through his groundbreaking contributions to quantum phase transitions, particularly the superconductor-insulator transition framework developed with Daniel Fisher, Steven Girvin and others. His theoretical work on deconfined quantum criticality, quantum spin liquids, and emergent Majorana fermions has provided foundational insights that have shaped decades of experimental and theoretical research in the field. Fisher's innovative approaches to carbon nanotube physics and his dual descriptions of various spin liquid phenomena have become standard references in condensed matter theory, influencing generations of physicists. His more recent work exploring the intersection of many-body quantum theory and quantum information science has opened new avenues for understanding non-equilibrium quantum dynamics, particularly in monitored quantum systems where measurements compete with unitary evolution.
Recognized for his exceptional contributions, Fisher has received numerous prestigious honors including the Alan T. Waterman Award from the National Science Foundation in 1995, the National Academy of Sciences Award for Initiatives in Research in 1997, and the Oliver E. Buckley Prize in Condensed Matter Physics in 2015. He has been elected to both the American Academy of Arts and Sciences (2003) and the National Academy of Sciences (2012), solidifying his standing as one of the most influential theoretical physicists of his generation. Fisher continues to push boundaries with his Quantum Brain Project (QuBrain), which investigates whether quantum effects might play a role in biological cognition, challenging conventional wisdom about the relationship between quantum mechanics and neural processes. His current research program focuses on the non-equilibrium dynamics of open quantum systems, where he is developing novel theoretical frameworks to understand how quantum information evolves when subjected to continuous measurement, potentially revolutionizing approaches to quantum computing and information processing.