Quantum theory

Interview with Robert Schoelkopf, Sterling Professor of Applied Physics and Physics at Yale, and director of the Yale Quantum Institute. Schoelkopf describes the origins of the Quantum Institute and the longer history of quantum research at Yale, and he recounts his childhood in Manhattan and then in Chappaqua as the son of art dealers. He describes his early interests in science and tinkering, and his undergraduate education at Princeton where he worked with Steve Boughn and Jeff Kuhn in the gravity group. Schoelkopf discusses his job at the Goddard Space Flight Center before beginning graduate work at Caltech. He describes his research under the direction of Tom Phillips in detector development for astrophysical applications and Josephson junctions, and he explains his ambition to focus on developing devices. Schoelkopf discusses his postdoctoral research at Yale to work with Dan Prober on mesascopic physics, and he explains his involvement in microwave research for quantum information and his explorations into the limits of electrometry. He discusses the opportunities that led to his faculty appointment at Yale, his involvement in building qubits and what this would portend for the future of quantum information. Schoelkopf describes the formative influence of Michel Devoret and Steve Girvin and he explains how these collaborations contributed to upending some aspects of theoretical quantum information. He describes how qubit research has matured over the past twenty years and how this research has contributed to industry and commercial ventures, but why he remains focused on basic science within a university setting. At the end of the interview, Schoelkopf predicts some of the practical contributions that true quantum computing can offer society and why he is excited about the next generation of quantum information scientists.

The interview begins with Schleich recounting his role in the foundation of the Institute of Quantum Technologies at DLR, the German Aerospace Center, in an effort to study Bose-Einstein condensation in microgravity environments. He also discusses his work at the University of Ulm and the Texas A&M University’s Hagler Institute for Advanced Study, as well as the interplay between theory and experiment in his field of quantum optics. The interview then shifts to Schleich’s biography, including his education in physics at the University of Munich, work as a doctoral student with Herbert Walther and Marlan Scully, participation in the summer school at Les Houches, winning the Max Planck Society’s Otto Hahn Prize, and postdoctoral work with John Wheeler. He discusses the role of Walther in establishing quantum optics in Germany and contrasts the thinking styles of Scully and Wheeler. Schleich recounts securing a chair professorship at the University of Ulm in 1991 and how winning the prestigious Leibniz Prize helped him to establish himself and support his students. He also discusses his work on quantum mechanics and analytic number theory with Helmut Maier, the value for quantum optics of experiments that manipulate single atoms, phase space as a key theme running throughout his work, and his involvement with a project to build a quantum computer in Germany.

Interview with Janice Button-Shafer, retired American physicist. Button-Shafer recounts her childhood in the Boston area, where her father worked as an engineer. She recalls the influence of her father on her interests in music, math and physics. Button-Shafer discusses her decision to study Engineering Physics at Cornell University, despite it being very uncommon for women to go into science. She discusses her summer jobs at MIT, Cornell Aeronautical Lab and Oak Ridge, as well as her experience writing for The Cornell Engineer magazine. Button-Shafer recounts her Fulbright Fellowship in Germany at the Max Planck Institute in Gottingen, focusing on neutron physics. She reflects on the political landscape during this time and how it affected science in Europe. Button-Shafer then recounts her decision to attend Berkeley for graduate school where she completed her thesis on parity violation while teaching courses such as quantum mechanics. She describes her research at the time at Lawrence Berkeley Lab and SLAC and discusses her work on thermonuclear energy and fusion reactors. She then turns to her move to University of Massachusetts Amherst and her eventual retirement and continuation of work at SLAC. Button-Shafer also talks about her marriage to mathematician John Shafer and the challenges of raising three children, one of whom battled cancer, during her demanding career as a scientist. Throughout the interview, Button-Shafer shares numerous anecdotes about the struggles of being a woman in a male-dominated field, including the discrimination and misogyny she endured throughout her career. She shares many stories of famous physicists she worked with over the years, including Owen Chamberlain, Emilio Segre, Luis Alvarez, Karl Heinz Beckhurts, and Edward Teller. Button-Shafer also shares her passion for the history of physics and relays many of her favorite historical tidbits involving scientists such as Lise Meitner, Marie Curie, Werner Heisenberg, and others. Her love of chamber music and classical music also comes up throughout the interview, as she reflects on her various musical accomplishments.

Interview with Berndt Müller, James B. Duke Professor of Physics at Duke University. The interview begins with Müller discussing his current work on quark-gluon plasma physics and the connections between nuclear physics and cosmology. Müller then recounts his family history in Germany during and after WWII, as well as his childhood in West Germany. He recalls his undergraduate studies at Goethe University Frankfurt, where it was the inspiring lectures that catalyzed his enthusiasm for physics. Müller explains the heavy ion research he was involved in at the time, as well as his master’s thesis on the Dirac equation. He recounts his first visit to Berkeley Lab in 1972 and his subsequent acceptance of a postdoc at University of Washington and a fellowship at Yale. Müller then returned to Frankfurt as an associate professor and explains how he got involved in quark-gluon plasma research. Müller talks about the creation of the RHIC and how that led him to pursue his next job in the US, landing at Duke. He discusses his involvement with the Institute of Nuclear Theory at the University of Washington, as well as his work at Brookhaven over the years. Müller recalls the pros and cons of the administrative side of academia, which he experienced as the Chair of the Faculty of Physics and then Dean of the Faculty of Natural Sciences at Duke. The interview concludes with Müller’s reflections on winning the Feshbach Prize and his predictions for the future of theoretical nuclear physics.

Interview with Marlan Scully, Distinguished University Professor and Burgess Chair at Texas A&M and Distinguished Research Academician at Baylor University. The interview begins with Scully recounting his early experience contracting COVID-19 and how that informed his research into the virus. Then he describes growing up in Wyoming and recalls not being very interested in school until he fell in love with calculus while attending community college. Scully talks about his studies in physics at the University of Wyoming before eventually transferring to Rensselaer Polytechnic. He then discusses his decision to move to Yale to work with Willis Lamb on laser physics. Scully recounts his assistant professorship at MIT and the opportunity at University of Arizona, where he was involved with starting their Optical Sciences Center. He talks about his subsequent joint position between University of New Mexico and Max Planck Institute for Quantum Optics, as well as his work with Air Force weapons labs on laser applications. Scully details the events leading to his position at Texas A&M and the inception of the Institute for Quantum Studies, and his ongoing affiliations with Princeton. At the end of the interview, Scully reflects on the interplay between theory and experimentation throughout his career and in laser physics specifically, as well as the technological advances that have propelled laser research forward.

Interview with Michel Devoret, the Frederick W. Beinecke Professor of Applied Physics and Director of the Applied Physics Nanofabrication Lab at Yale University. Devoret recounts his childhood in France where his father was a physician and his mother was a teacher. He describes his parents’ experiences during World War II and his early interests in many areas of science such as computers, artificial intelligence, and biology. Devoret explains some nuances of the French schooling system and how he followed an engineering track in his undergraduate studies before focusing on physics. He recalls pursuing his Master’s degree at Orsay University where he worked in a molecular physics lab, as well as the opportunity that led him to pursue a PhD while working in Anatole Abragam’s lab at the Atomic Energy Commission (CEA) in Saclay. Devoret talks about his thesis work on nuclear magnetic resonance in solid hydrogen. He then discusses his postdoc at Berkeley working with John Clarke on quantum tunneling and his subsequent return to Saclay where he eventually helped found the Quantonics Lab and later was named Director of Research at CEA-Saclay. Devoret recalls the circumstances around his move to Yale and his work with Steve Girvin. He reflects on several of his interest areas during this time, such as microwave reflectometry, nanofabrication, remote entanglement, and quantum computing. At the end of the interview, Devoret offers advice for how to avoid doing bad science, and he shares his recent interest in the popularization of science, particularly making quantum physics more accessible.

Interview with Sir Anthony Leggett, professor emeritus at the University of Illinois Urbana-Champaign (UIUC). Leggett begins with recollections from his childhood as the son of two schoolteachers. He discusses studying classics at Oxford and having minimal science or math education. Leggett explains that he contemplated pursuing graduate studies in philosophy, but he met a priest who taught him complex mathematics concepts, leading to his interest in physics. He describes obtaining his second undergraduate degree in physics from Oxford, as well as his graduate studies in theoretical condensed matter physics under Dirk ter Haar. Then Leggett recalls going to UIUC for a postdoc with David Pines and also to Japan to study with Takeo Matsubara. Leggett discusses his appointment at Sussex University and his shift from low temperature physics into quantum mechanics. He reflects on accepting the offer to move back to UIUC as the endowed MacArthur Chair, as well as what it was like to receive the call about winning the Nobel Prize. The interview ends with Leggett sharing advice for physics students and reflections on his time teaching in Ghana.

The interviewee has not given permission for this interview to be shared at this time. Transcripts will be updated as they become available to the public. For any questions about this policy, please contact [email protected].

The interviewee has not given permission for this interview to be shared at this time. Transcripts will be updated as they become available to the public. For any questions about this policy, please contact [email protected].

Interview with Herman B. White, physicist at Fermi National Accelerator Laboratory. White recounts his childhood in Tuskegee, Alabama and growing up during segregation. He discusses his early interests in science and his decision to enroll at Earlham College in Indiana as an undergraduate. White then describes his time at Michigan State University as a graduate student, during which he also held a position as a resident research associate at Argonne National Laboratory. Dr. White talks about his transition from nuclear physics to particle physics upon completing his master’s degree at MSU. He discusses the events that led him to accept a position at Fermilab rather than immediately pursue a PhD. White was the first African-American scientist appointed at Fermilab, and he recounts his early years there being mentored by Raymond Stefanski. He then describes his research fellowship at Yale and his non-traditional path to getting a PhD in 1991 from Florida State University. White talks about returning to Fermilab to work on kaon physics, and his eventual involvement in the Tevatron experiment. Toward the end of the interview, White reflects on the changes and trends he has seen in the research being done at Fermilab over the years, as well as his involvement in the National Society of Black Physicists.