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Helmholtz Virtual Institute "Complex Pathways in Multidimensional Landscapes"

X-Ray Hologram of Magnetic Nanostructure Array

The Virtual Institute Dynamic Pathways in Multidimensional Landscapes explores the governing principles of material’s function in an internationally highly visible centre of excellence, where through a series of in- terdependent investigations researchers from HZB and DESY and two German Universities join forces with the Virtual Institute’s national and international associated partners. Scientifically, we gain a unifying view on material classes whose properties are governed by coupled internal degrees of freedom (charge, orbit, spin, and nuclear motion) that interact with the environment (external fields and heat baths). These properties lead to functionality we can utilize and tailor to harvest and store energy, communicate and archive knowledge. Since low energy excitations, nanoscale order and ultra fast timescales are involved, we propose to engage in a science program along these three dimensions of energy, space and time. Thus, we intentionally cross the boundaries between solid, liquid and molecular systems. To reach its scientific goals, the Virtual Institute foots on the complementary accelerator based radiation sources of the two proposing Helmholtz Centres, the Linac Coherent Light Source at Stanford and the laser based sources of the University groups. The Virtual Institute’s research effort will further sharpen our scientific approach to the unique capabilities of the future European XFEL and the user and science driven demands at future photon science facilities and will train young scientists for these scientific challenges and tools.   Core Partners:

  • Helmholtz Zentrum Berlin für Materialien und Energie (HZB)
  • Freie Universität Berlin (FUB)
  • Technische Universität Berlin (TUB)
  • Deutsches Elektronen-Synchrotron (DESY)
National Partners:
  • Universität Potsdam
  • Universität Duisburg-Essen
  • Universität Hamburg
  • Max-Born-Institut (MBI)
  • Max Planck Institut für Biophysikalische Chemie, Göttingen
International Partners:
  • European XFEL
  • Universität Amsterdam
  • Linac Coherent Light Source (LCLS), Stanford, USA
  • Institute for Ultrafast Energy Science (PULSE), Stanford, USA
  • Stanford Institute for Materials & Energy Science (SIMES), Stanford, USA
  • Center for Interface Science and Catalysis (SUNCAT), Stanford, USA
  Go to HOMEPAGE of the Virtual Institute  

DinL - Leibniz Graduate School "Dynamics in new Light"

Femtosecond X-ray Diffraction from Magnetic Domains at LCLS, Stanford

Graduate School - Dynamics in new Light
Material properties, phase transitions, and chemical modifications are ruled by elementary physical processes that take place within a few femtoseconds (1 fs = 10-15 s). Today these ultrafast timescales are accessible using optical techniques and are currently being pushed to the vacuum ultraviolet and X-ray regime.
In a solid, and at its surface, optical excitation allows us to drive the electronic subsystem almost instantaneously into a non-equilibrium state and follow its coupling to the lattice and spin degrees of freedom. Thereby we can explore phase transformations, e.g., in spin-, charge- or orbital-ordered systems. Moreover, electrons are responsible for formation and breaking of chemical bonds via the manipulation of potential-energy landscapes that drive atomic motion. Here ultrashort VUV and X-ray pulses open the possibility to investigate photo-chemical processes with atomic spatial resolution and even beyond the Born-Oppenheimer limit.
The training program of DinL intends to improve education in the field of ultrafast X-ray science for PhD students who have a degree in physics, chemistry, or biology.
By bringing together groups who have recently combined research in XUV/X-ray HHG and plasma science with research efforts at FLASH, LCLS and BESSY II an effective channel is created for knowledge transfer between the laser community and the FEL/synchrotron-community.
Special training programs are designed to introduce our students to a broad range of instrumental techniques, instruct in scientific working, and teach general job skills. We intend to speed up the scientific career of young fellow researchers and thereby constitute the emerging field of time-resolved X-ray science in the Berlin research area. DinL partner institutions are:
  • Max-Born-Institut (MBI)
  • FU Berlin
  • TU Berlin
  • Uni Potsdam
  • Helmholtz Zentrum Berlin (HZB)
  • Fritz-Haber-Institut (FHI) der MPG

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