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Physics Directory

Adams, Todd
Askew, Andrew
Beekman, Christianne
Berg, Bernd
Blessing, Susan
Boebinger, Gregory
Bonesteel, Nicholas
Brooks, James
Cao, Jianming
Capstick, Simon
Chiorescu, Irinel
Collins, David
Cottle, Paul
Crede, Volker
Dobrosavljevic, Vladimir
Duke, Dennis
Eugenio, Paul
Gao, Hanwei
Gorkov, Lev
Hill, Stephen
Hoeflich, Peter
Huffenberger, Kevin
Lind, David
Manousakis, Efstratios
Murphy, Jeremiah
Ng, Hon-Kie
Okui, Takemichi
Owens, Joseph
Piekarewicz, Jorge
Prosper, Harrison
Reina, Laura
Rikvold, Per Arne
Riley, Mark
Roberts, Winston
Schlottmann, Pedro
Shaheen, Shahid
Tabor, Samuel
Vafek, Oskar
Van Winkle, David
Volya, Alexander
Wahl, Horst
Wiedenhover, Ingo
Xiong, Peng
Yang, Kun
Zhou, Huan-Xiang

 

 

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Dr. Gregory Boebinger

Professor, Director of NHMFL, Ph.D. MIT, 1986

     
 

Dr. Gregory S. Boebinger received Bachelors Degrees in Physics, Electrical Engineering and Philosophy in 1981 from Purdue University. With a Churchill Scholarship, he traveled to the University of Cambridge for one year of research under Professor Sir Richard Friend, studying the temperature dependent structural changes in one-dimensional organic superconductors.

Dr. Boebinger received his Ph.D. in Physics in May 1986 from the Massachusetts Institute of Technology, where he held Compton and Hertz Foundation Fellowships. His thesis research utilized high magnetic fields and ultra-low temperatures to study the fractional quantum Hall effect with Nobel Laureates Horst Stormer and Dan Tsui. The fractional quantum Hall states are many-electron collective states found in two-dimensional layers of electrons in the presence of strong magnetic fields. If the sample is sufficiently pure, such as are found in semiconductor devices grown one atomic layer at a time, the magnetic-field flux quanta correlate with the electrons to form a series of unanticipated many-body states that exhibit features in common with both superconductivity and superfluidity. However, the fractional quantum Hall states are strikingly unique in that they exhibit fractional charge, that is, particle-like excitations that are composites of magnetic-field flux quanta and electrons, yet exhibit charges equal precisely to one-third of an electron charge. Curiously, this is the same electric charge as the quarks that make up protons and neutrons, but no compelling link has yet been discovered.

Dr. Boebinger spent a year as a NATO Postdoctoral Fellow in Paris at the Ecole Normale Superieure studying other quantum behaviors of electrons in quantum wells.

In 1987, Dr. Boebinger joined the research staff at Bell Laboratories and established a unique pulsed magnetic field facility for physics research on semiconductors, f-electron compounds and superconductors in magnetic fields up to 60 teslas, more than one-million times the Earth’s magnetic field. For this research, he was named a Fellow of the American Physical Society in 1996.

In 1998, Dr. Boebinger became head of the pulsed magnet laboratory at Los Alamos National Laboratory, one of the three campuses of the National High Magnetic Field Laboratory (MagLab).

There he continued his research on the high-temperature superconductors, using the intense pulsed magnetic fields to suppress superconductivity. The goal is to study the behavior of the samples in the absence of their high-temperature superconductivity, with the expectation that this behavior underpins the superconducting state. Electrical resistivity and Hall effect measurements are the primary experiments performed, with specific heat and pulsed-echo ultrasound under development. Evidence is found of a phase transition between two little understood states directly underlying the superconducting phase that re-establishes itself when the magnetic field is removed. A detailed understanding of the non-superconducting states might well lead to an eventual understanding of high-temperature superconductivity.

In 2004, Dr. Boebinger moved to Florida State University to become director of the MagLab, with responsibility for all three campuses: the headquarters at Florida State University, the pulsed magnet laboratory at Los Alamos National Laboratory, and the ultra-low temperature and magnetic resonance imaging laboratories at the University of Florida. The MagLab is the world leading magnet laboratory that develops and operates high magnetic field facilities that scientists use for research in physics, biology, bioengineering, chemistry, geochemistry, biochemistry, materials science, and engineering. More information can be found on the MagLab website: www.magnet.fsu.edu

Dr. Boebinger’s research continues to focus on high-temperature superconductivity and he maintains laboratories and close collaborations with colleagues at Los Alamos National Laboratory.

Dr. Boebinger has a strong commitment to interpreting science for students and the general public. He has written articles in both Physics Today and Scientific American and given public lectures at Bell Labs, Los Alamos, Santa Fe, Dartmouth and Tallahassee, as well as at the Getty Museum in Malibu and the Wheeler Opera House in Aspen. He has been interviewed and demonstrated magnetic levitation on both the History Channel and Discovery Channel.

 
Gregory Boebinger
 
contact B204 MAG
phone (850) 644-0851
email
web Visit Gregory Boebinger's personal web site
 
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