Jungiusstr. 11, Hörsaal AP
SFB 668 - Kolloquium
Dr. F. Intravaia (Max-Born-Institut, Berlin):
Non-Markovianity in Atom-Surface Interactions
Fluctuation-induced phenomena are manifestations of the (quantum)
statistical properties of a physical system. Even if in its state of
minimal energy a quantum system, no matter how simple or how complex
it is, undergoes a restless dynamics. This leads to a panoply of
interactions of which the van der Waals force is best known. The
interactions generated by these irreductible fluctuations are relevant
in several fields of physics, ranging from atomic physics (cold and
ultra-cold atoms’ dynamics) to cosmology (black holes’ and universe’s
evolution), including multidisciplinary topics like biophysics (cell
membrane’s and proteins’ structure) and modern technologies (NEMS and MEMS).
This talk focuses on some recent theoretical and experimental
investigations in this field of research. We show that, using the
interplay of material properties (e.g. graphene), thermodynamics (e.g.
non-equilibrium) and geometry (e.g. nanostructured materials) such
interactions are tunable in strength as well as in sign. These results
open new avenues for the investigation of fundamental concepts in
quantum field theory and condensed-matter physics and can lead to
promising multifunctional devices.