Daniel Goldman

Daniel Goldman

Daniel Goldman

Dunn Family Professor; School of Physics
Director; Complex Rheology And Biomechanics (CRAB) Lab

My research integrates my work in complex fluids and granular media and the biomechanics of locomotion of organisms and robots to address problems in nonequilibrium systems that involve interaction of matter with complex media. For example, how do organisms like lizards, crabs, and cockroaches cope with locomotion on complex terrestrial substrates (e.g. sand, bark, leaves, and grass). I seek to discover how biological locomotion on challenging terrain results from the nonlinear, many degree of freedom interaction of the musculoskeletal and nervous systems of organisms with materials with complex physical behavior. The study of novel biological and physical interactions with complex media can lead to the discovery of principles that govern the physics of the media. My approach is to integrate laboratory and field studies of organism biomechanics with systematic laboratory studies of physics of the substrates, as well as to create mathematical and physical (robot) models of both organism and substrate. Discovery of the principles of locomotion on such materials will enhance robot agility on such substrates

dgoldman3@gatech.edu

404.894.0993

Office Location:
Howey C202

The Crab Lab

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    University, College, and School/Department
    Research Focus Areas:
    • Autonomy
    • Molecular, Cellular and Tissue Biomechanics
    • Neuroscience
    • Systems Biology
    Additional Research:
    biomechanics; neuromechanics; granular media; robotics; robophysics

    IRI Connections:

    Flavio Fenton

    Flavio Fenton

    Flavio Fenton

    Professor

    flavio.fenton@physics.gatech.edu

    516-672-6003

    Office Location:
    Howey N05

    Website

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    University, College, and School/Department
    Research Focus Areas:
    • High Performance Computing
    Additional Research:
    High performance computing: ·Development and implementation of novel algorithms to solve partial differential equations in two- and three-dimensional regular and irregular domains. ·Computer modeling of complex systems using supercomputers, as well as graphics cards (GPUs). ·Simulations and large data visualization of complex systems in or near-real time locally or over the web. Experiments in complex systems: ·Cardiac dynamics.Study the voltage and calcium dynamics of cardiac tissue using heart sections or whole hearts from fish and mice to large mamals horses. Using voltage- and calcium-sensitive dyes and ultrafast cameras, we record the dynamics of voltage and calcium waves and study their instabilities associated with arrhythmias. ·Dynamics of spiral and scroll waves. ·Mechanisms of bifurcation and period-doublings in time and in space. ·Methods for chaos control and synchronization. ·Chemical, physical, and other biophysical oscillators with complex dynamics and instabilities. Examples: spiral and scroll waves in the Belousov–Zhabotinsky reaction, saline oscillator. Mathematical modeling of complex systems: ·Development and analysis of mathematical models that describe generic or detailed dynamics of excitable and oscillatory media (heart, neurons, chemical reactions, calcium signaling, physical and biological oscillators, etc.). ·Study of bifurcations and chaotic (organized and disorganized) dynamics of excitable and oscillatory systems. ·Develop and apply control methods for suppressing or synchronizing complex dynamics. ·Study of stability and instabilities of spiral waves and three-dimensional scroll waves in idealized and realistic domains of excitable media. In most projects there is crossover between theory, simulations and experiments, where experiments (simulations) are used to guide theory and simulations (experiments).

    IRI Connections:

    Claire Berger

    Claire Berger

    Claire Berger

    Professor of the Practice

    Claire Berger is Director of Research at the French National Center for Scientific Research - Néel Institute working at the Georgia Institute of Technology in W. A. de Heer’s group. She obtained the PhD in Physics from the University of Grenoble, France, with a dissertation on the electronic properties of AlMn quasicrystals. She then moved to a postdoc position at the Centre d’Etudes Atomiques, where she produced and studied amorphous films, and was hired as a researcher at the CNRS ‘s Laboratory for Study of Electronic Properties of Solids (LEPES), in Grenoble. She focused the first part of her carrier on electronic properties of quasicrystalline materials grown and characterized at LEPES. She contributed to the experimental evidence for a metal-insulator transition in these metal- based compounds. 

    At Georgia Tech, her current scientific interests are primarily nanoscience and electronic property of graphene-based systems. She co-authored the first article demonstrating the two dimensional properties of graphene and proposing graphene for electronics, and together with Walt de Heer and Phil First she co-authored the first patent for graphene electronics (2003). 

    She is co-author of more than 200 publications in international journals, has a citation index of 10,880 and an H index of 41.

    cb299@gatech.edu

    (404) 385-1685

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    Walter de Heer

    Walter de Heer

    Walter de Heer

    Regents' Professor

    Walter Alexander “Walt” de Heer is a Dutch physicist and nanoscience researcher known for discoveries in the electronic shell structure of metal clusters, magnetism in transition metal clusters, field emission and ballistic conduction in carbon nanotubes, and graphene-based electronics.

    De Heer earned a doctoral degree in Physics from the University of California, Berkeley in 1986 under the supervision of Walter D. Knight. He worked at the École Polytechnique Fédérale de Lausanne in Switzerland from 1987 to 1997, and is currently a Regents' Professor of Physics at the Georgia Institute of Technology. He directs the Epitaxial Graphene Laboratory in the School of Physics and leads the Epitaxial Graphene Interdisciplinary Research Group at the Georgia Tech Materials Research Science and Engineering Center.

    eheer@physics.gatech.edu

    (404) 894-7879

    Physics Profile

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    Research Focus Areas:
    • Electronic Materials
    • Energy Utilization and Conservation
    Additional Research:
    Electronics; Carbon Nanotubes; Epitaxial Growth; Graphene; Nanomaterials; quantum materials

    IRI Connections:

    Martin Mourigal

    Martin Mourigal

    Martin Mourigal

    Professor, School of Physics
    Initiative Lead, Georgia Tech Quantum Alliance

    Martin Mourigal received the B.S in Materials from Ecole des Mines de Nancy in 2004. He later received his M.S. and Ph.D. in physics from Ecole Polytechnique Federale (EPFL) located in Lausanne, Switzerland in 2007 and 2011, respectively. He was also a postdoctoral research fellow in John Hopkins University from 2011 until 2014. He joined Georgia Tech in 2015 and is currently an assistant professor in the School of Physics. Mourigal's lab focuses on the study of collective electronic and magnetic phenomena in quantum materials. His research exploits the unique strengths of neutron and X-ray scattering to probe the organization and the dynamics of matter at the nanoscale.In addition to his own lab research, Mourigal is the co-director of the Georgia Tech Quantum Alliance, a university wide program that will work towards solving problems in optimization, cryptography, and artificial intelligence. Mourigal was awarded the Cullen Peck Faculty Scholar Award from Georgia Tech in 2019. He was also awarded the National Science Foundation CAREER Award for excellence as a young educator and researcher in 2018.

    mourigal@gatech.edu

    404.385.5669

    Office Location:
    Howey C202

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    University, College, and School/Department
    Research Focus Areas:
    • Miniaturization & Integration
    • Quantum Computing
    • Use & Conservation
    Additional Research:
    Quantum Materials, Micro and Nanomechanics, Ferroelectronic Materials, Materials Data Sciences, Electronics

    IRI Connections:

    Zhigang Jiang

    Zhigang Jiang

    Zhigang Jiang

    Professor, School of Physics
    Initiative Lead, Georgia Tech Quantum Alliance

    Zhigang Jiang received his B.S. in physics in 1999 from Beijing University and his Ph.D. in 2005 from Northwestern University. He was also a postdoctoral research associate at Columbia University jointly with Princeton University and NHMFL from 2005 till 2008. Jiang is interested in the quantum transport and infrared optical properties of low dimensional condensed matter systems. The current ongoing projects include: (1) infrared spectroscopy study of graphene and topological insulators, (2) spin transport in graphene devices, and (3) Andreev reflection spectroscopy of candidate topological superconductors.

    zhigang.jiang@physics.gatech.edu

    404.385.3906

    Office Location:
    Boggs B-18

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  • Jiang Group Website
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    University, College, and School/Department
    Research Focus Areas:
    • Electronic Materials
    • Energy Utilization and Conservation
    • Nanomaterials
    • Optics & Photonics
    Additional Research:
    quantum materials; nanoelectronics; Graphene; Epitaxial Growth

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    Dimitrios Psaltis

    Dimitrios Psaltis

    Dimitrios Psaltis

    Professor

    I am a professor of Physics at Georgia Tech. I use advanced computational techniques, hybrid computer architectures, and innovative algorithms to answer fundamental questions related to the observational appearance of black holes, the properties of magnetohydrodynamic turbulence, and the interaction of matter with radiation in extreme conditions.

    I am a founding member of the Event Horizon Telescope, the international mm-VLBI experiment that has taken the first picture of a black hole with the horizon-scale resolution, and served for three years (2016-2019) as the Project Scientist of the collaboration.

    Before moving to Georgia Tech in 2022, I was a professor of Physics and Astronomy at the University of Arizona and the Chair of the Theoretical Astrophysics Program there.

    dpsaltis3@gatech.edu

    Personal Website

    University, College, and School/Department
    Research Focus Areas:
    • High Performance Computing
    • Machine Learning
    Additional Research:
    Black Hole Images General Relativity

    IRI Connections:

    Feryal Özel

    Feryal Özel

    Feryal Özel

    Chair; School of Physics
    Professor

    Feryal Ozel is the Chair and Professor in the School of Physics at Georgia Institute of Technology. Her research in astrophysics focuses on theoretical and computational studies of the properties, formation, and environments of black holes and neutron stars. She developed new techniques to determine the properties of neutron star surfaces and interiors. She made predictions of black hole images that guided the development of the Event Horizon Telescope (EHT) and helped constrain physics beyond General Relativity.

     

    Ozel is a founding member of the Event Horizon Telescope collaboration, a former member of the EHT Science Council and lead of the Modeling Working Group. In 2022, she led the announcement of the first image of the black hole at the center of the Milky Way Galaxy. She was co-chair of NASA’s Next Generation Large Mission Concept Study for the Lynx X-ray Observatory and has served for three years as chair of NASA’s Astrophysics Advisory Committee. Prior to joining Georgia Tech, she was a Professor of Astronomy and Physics and the Associate Dean for Research at the University of Arizona

    feryal.ozel@gatech.edu

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    Additional Research:
    Astrophysics Cosmology

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