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Ultrafast Phenomena in Cooperative Systems
Gordon Research Conference

Revealing Coupled Interactions in Complex Matter – Towards Control of Material Properties

Dates

February 14-19, 2016

Location

Renaissance Tuscany Il Ciocco
Lucca (Barga), Italy

Organizers

Chair:
Martin Wolf

Vice Chair:
Robert Schoenlein

Meeting Description

This research conference provides a forum for discussion of optically induced non-equilibrium dynamics and photoinduced phase transitions in cooperative condensed-matter systems. The main focus of the conference is on time-dependent properties of fundamental and quasi-particle excitations, electronic phase transitions, magnetic switching and spin dynamics, structural transitions and ultrafast processes in systems with reduced-dimensionality. The range of material systems to be considered is intentionally broad and diverse, but common features and mechanisms are shared in their underlying dynamics.

Ultrafast spectroscopy techniques provide the means to investigate these phenomena at the intrinsic timescales of their electronic and atomic motions, offering a unique view of the properties of cooperative systems of condensed matter. It is now possible to generate and detect femtosecond pulses across the THz, infrared, visible, ultraviolet, and x-ray regions of the electromagnetic spectrum, enabling advanced time-resolved spectroscopic investigations. Ultrafast electron diffraction and photoelectron emission provide complementary dynamical information to electromagnetic probes. Following ultrafast excitation, systems may be near equilibrium and undergoing relaxation processes well-described in terms of coupling among its initial degrees of freedom, or may be far from equilibrium in metastable or unstable states with fundamentally different physical properties.

Typical topics include: Experimental studies and theory of utrafast quasi-particle dynamics in superconductors, colossal magneto-resistance materials, low-dimensional charge and spin density wave compounds, insulators, Kondo systems and heavy fermion compounds; time-domain studies of structural, electronic, and magnetic degrees of freedom and their corresponding excitations and interactions; optically induced magnetic, ferroelectric and multiferroic, metal-insulator, and solid-liquid phase transitions; ultrafast magnetic and electronic switching phenomena; correlation effects in excitonic systems; ultrafast few-particle and collective effects in solid-state nanosystems; ultrafast dynamics in novel quantum materials such as graphene, TDCs or topological insulators; optical control over near and far-from-equilibrium dynamics.

Related Meeting

This GRC was held in conjunction with the "Ultrafast Phenomena in Cooperative Systems" Gordon Research Seminar (GRS). Refer to the associated GRS program page for more information.

Contributors

Final Meeting Program

Sunday
4:00 pm - 8:00 pmArrival and Check-in
6:00 pmDinner
7:30 pm - 7:40 pmWelcome / Introductory Comments by GRC Site Staff
7:40 pm - 9:30 pmTopological Insulators and 2D Systems
Discussion Leader: Thomas Devereaux (Stanford University, USA)
7:40 pm - 7:50 pmIntroduction by Discussion Leader
7:50 pm - 8:30 pmFeng Wang (University of California, Berkeley, USA)
"Probing Ultrafast Dynamics in Two-Dimensional Graphene and MX2 Materials"
8:30 pm - 8:40 pmDiscussion
8:40 pm - 9:20 pmNuh Gedik (Massachusetts Institute of Technology, USA)
"Dynamics of Floquet-Bloch States in Topological Insulators"
9:20 pm - 9:30 pmDiscussion
Monday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmElectronic Ordering and Correlation Phenomena
Discussion Leader: Andrea Cavalleri (Max Planck Institute for the Structure and Dynamics of Matter, Germany)
9:00 am - 9:10 amIntroduction by Discussion Leader
9:10 am - 9:55 amMathieu Le Tacon (Max Planck Institute for Solid State Resarch, Germany)
"Insights on Charge and Spin Ordering in Strongly Correlated Materials from Photon Scattering Experiments"
9:55 am - 10:10 amDiscussion
10:10 am - 10:40 amCoffee Break
10:40 am - 11:20 amUrs Staub (Paul Scherrer Institute, Switzerland)
"Ultrafast Electronic and Structural Modifications in Transition Metal Oxides Viewed by X-Rays"
11:20 am - 11:35 amDiscussion
11:35 am - 12:15 pmRobert Kaindl (Lawrence Berkeley National Laboratory, USA)
"Watching Correlations Emerge: Ultrafast Electronic and Vibrational Interplay in Complex Oxides"
12:15 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:30 pmFree Time
4:30 pm - 6:00 pmPoster Session
6:00 pm - 8:00 pmTheory of Ultrafast Non-Equilibrium Processes
Discussion Leader: Takashi Oka (Max Planck Institute, Germany)
6:00 pm - 6:10 pmIntroduction by Discussion Leader
6:10 pm - 6:50 pmPhilipp Werner (University of Fribourg, Switzerland)
"Non-Equilibrium Dynamics in Electron-Phonon Coupled Systems"
6:50 pm - 7:05 pmDiscussion
7:05 pm - 7:45 pmPeter Oppeneer (Uppsala University, Sweden)
"Theoretical Modeling of Femtosecond Laser-Induced Processes in Magnetic Materials"
7:45 pm - 8:00 pmDiscussion
8:00 pmDinner
Tuesday
7:30 am - 8:30 amBreakfast
8:30 amGroup Photo
9:00 am - 12:30 pmTHz Excitation and Control of Collective Phenomena
Discussion Leader: Richard Averitt (University of California, San Diego, USA)
9:00 am - 9:10 amIntroduction by Discussion Leader
9:10 am - 9:50 amAlexej Pashkin (Helmholtz-Zentrum Dresden-Rossendorf, Germany)
"Nonlinear Multi-Terahertz Excitation of Strongly Correlated Materials"
9:50 am - 10:05 amDiscussion
10:05 am - 10:35 amCoffee Break
10:35 am - 11:15 amRyo Shimano (University of Tokyo, Japan)
"Nonlinear Higgs Mode Spectroscopy of Superconductors by Intense THz Pulses"
11:15 am - 11:30 amDiscussion
11:30 am - 12:10 pmThomas Elsaesser (Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, Germany)
"Field-Driven Ultrafast Charge Dynamics in Polar Solids Mapped by Terahertz and X-Ray Methods"
12:10 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:30 pmFree Time
4:30 pm - 6:00 pmPoster Session
6:00 pm - 8:00 pmNon-Equilibrium Dynamics in Superconductors
Discussion Leader: Steven Johnson (ETH Zurich, Switzerland)
6:00 pm - 6:10 pmIntroduction by Discussion Leader
6:10 pm - 6:55 pmThomas Devereaux (Stanford University, USA)
"Non-Equilibrium Dynamics in Superconductors and Transition Metal Di-Chalcogenides"
6:55 pm - 7:10 pmDiscussion
7:10 pm - 7:45 pmMatteo Mitrano (Max Planck Institute for the Structure and Dynamics of Matter, Germany)
"Light Control of Superconductivity in Organic Metals"
7:45 pm - 8:00 pmDiscussion
8:00 pmDinner
Wednesday
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmPhotoinduced Phase Transitions
Discussion Leader: Dragan Mihailovic (Jozef Stefan Institute, Slovenia)
9:00 am - 9:10 amIntroduction by Discussion Leader
9:10 am - 9:50 amJulia Stahler (Fritz Haber Institute of the Max Planck Society, Germany)
"Electronic Phase Transitions in Strongly Correlated Systems: When Does the Band Gap Collapse?"
9:50 am - 10:05 amDiscussion
10:05 am - 10:35 amCoffee Break
10:35 am - 11:15 amBradley Siwick (McGill University, Canada)
"Photoinduced Phase Transitions in Strongly Correlated Oxides Probed with Ultrafast Electron Diffraction and Broadband Spectroscopy"
11:15 am - 11:30 amDiscussion
11:30 am - 12:10 pmMarkus Raschke (University of Colorado Boulder, USA)
"Ultrafast Near-Field Imaging of Phase Transition Dynamics on the Nanoscale"
12:10 pm - 12:30 pmDiscussion
12:30 pmLunch
1:30 pm - 4:30 pmFree Time
4:30 pm - 6:00 pmPoster Session
6:00 pm - 8:00 pmUltrafast Dynamics and X-Ray Diffraction
Discussion Leader: Antoinette Taylor (Los Alamos National Laboratory, USA)
6:00 pm - 6:10 pmIntroduction by Discussion Leader
6:10 pm - 6:50 pmMargaret Murname (University of Colorado Boulder, USA)
"Polarization-Shaped High Harmonic Sources and Applications in Imaging and Spectroscopy"
6:50 pm - 7:05 pmDiscussion
7:05 pm - 7:45 pmHenry Chapman (Deutsches Elektronen-Synchrotron (DESY), Germany)
"Order, Disorder, and Macromolecular Crystallography"
7:45 pm - 8:00 pmDiscussion
8:00 pmDinner
Thursday
7:30 am - 8:30 amBreakfast
8:30 am - 9:00 amBusiness Meeting
Nominations for the Next Vice Chair; Fill in Conference Evaluation Forms; Discuss Future Site and Scheduling Preferences; Election of the Next Vice Chair
9:00 am - 12:30 pmMany Body Physics and Non-Linear Spectroscopy
Discussion Leader: Alfred Leitenstorfer (University of Konstanz, Germany)
9:00 am - 9:10 amIntroduction by Discussion Leader
9:10 am - 9:55 amImmanuel Bloch (Max-Planck-Institut für Quantenoptik (LMU), Germany)
"Probing Non-Equilibrium Dynamics in Quantum Many-Body Systems Using Ultracold Atoms"
9:55 am - 10:10 amDiscussion
10:10 am - 10:40 amCoffee Break
10:40 am - 11:20 amDavid Hsieh (California Institute of Technology, USA)
"Hidden Order in a Perovskite Iridate"
11:20 am - 11:30 amDiscussion
11:30 am - 12:10 pmClaudio Masciovecchio (FERMI, Elettra-Sincrotrone Trieste, Italy)
"FEL Based Multicolor Spectroscopies"
12:10 pm - 12:20 pmDiscussion
12:20 pm - 12:30 pmGeneral Discussion
12:30 pmLunch
1:30 pm - 4:30 pmFree Time
4:30 pm - 6:00 pmPoster Session
6:00 pm - 8:00 pmYoung Investigator Presentations
Discussion Leader: Robert Schoenlein (SLAC National Accelerator Laboratory, USA)
6:00 pm - 6:05 pmIntroduction by Discussion Leader
6:05 pm - 6:25 pmGiacomo Mazza (École Polytechnique, France)
"Field-Driven Mott Gap Collapse and Dielectric Breakdown in Correlated Insulators"
6:25 pm - 6:30 pmDiscussion
6:30 pm - 6:50 pmBenjamin Ofori-Okai (Massachusetts Institute of Technology, USA)
"2D Terahertz Magnetic Resonance Spectroscopy of Magnons in Orthoferrites"
6:50 pm - 6:55 pmDiscussion
6:55 pm - 7:15 pmTom Seifert (Fritz-Haber-Institute of the Max-Planck-Society, Germany)
"Probing and Tailoring Ultrafast Spin Currents in Magnetic Multilayers"
7:15 pm - 7:20 pmDiscussion
7:20 pm - 7:40 pmMartina Esposito (University of Trieste, Italy)
"Disclosing Fluctuations of Lattice Atomic Positions by Non-Equilibrium Optical Experiments"
7:40 pm - 7:45 pmDiscussion
7:45 pm - 8:00 pmClosing Remarks
8:00 pmDinner
Friday
7:30 am - 8:30 amBreakfast
9:00 amDeparture
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