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X-WR-CALNAME:GRK 2905 - Ultrafast Nanoscopy
X-ORIGINAL-URL:https://grk2905.de
X-WR-CALDESC:Events for GRK 2905 - Ultrafast Nanoscopy
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DTSTART;TZID=Europe/Berlin:20251128T140000
DTEND;TZID=Europe/Berlin:20251128T160000
DTSTAMP:20260425T135521
CREATED:20250918T091922Z
LAST-MODIFIED:20251031T111148Z
UID:1777-1764338400-1764345600@grk2905.de
SUMMARY:Special lecture: Prof. Dr. Sebastian Loth
DESCRIPTION:Stochastic and coherent dynamics of spins and electrons at the atomic scaleInstitute for Functional Matter and Quantum Technologies\, University of Stuttgart \n\n\n\n \n\n\n\nMany fascinating phenomena at the atomic scale\, such as energy transfer between quantumsystems or collective behavior of electrons in correlated materials\, remain hidden to staticmeasurements. The combination of ultrafast spectroscopy with scanning probe microscopypresents a unique opportunity to study the dynamics of matter locally at its intrinsic length andtime scales. This lecture introduces recent advances using all-electronic microwave spectroscopy to capture quantum dynamics of magnetic atoms and small quantum magnets\, as well as lightcoupled THz pump-probe techniques with femtosecond resolution that reveal phonon propagation and collective excitations in charge-density wave materials. \n\n\n\n \n\n\n\n \n\n\n\nVenue: RUN Auditorium
URL:https://grk2905.de/event/grk-colloquium-prof-dr-sebastian-loth/
CATEGORIES:Special lecture series
ATTACH;FMTTYPE=image/png:https://grk2905.de/wp-content/uploads/2025/09/SebastianLoth.png
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20250509T140000
DTEND;TZID=Europe/Berlin:20250509T150000
DTSTAMP:20260425T135521
CREATED:20250429T104324Z
LAST-MODIFIED:20250515T103307Z
UID:1638-1746799200-1746802800@grk2905.de
SUMMARY:Special lecture: Prof. Milena Grifoni
DESCRIPTION:Introduction to Floquet theory \n\n\n\nUniversity of RegensburgHow to characterize properties of a quan-tum system subject to an intense time-periodic drive? We shall address this question within the framework of Floquet theory. According to the Floquet theorem\, the solutions of the time-dependent Schrö-dinger equation display a quasi-stationary evolution\, governed by quasi-energies\, and a periodic part. Working in the Sambe space\, it is possible to evaluate both the so-called quasi-energy spectrum and the Floquet functions without resorting to perturbation theory in the strength of the time-periodic drive or other commonly used approxim-ations. Noticeably\, the quasi-energy spect-rum can be qualitatively different from the one of the undriven Hamiltonian\, opening pathways to manipulate properties of quantum systems by a time-periodic drive. These concepts will be illustrated on the example of a strongly driven two-level system. \n\n\n\n\n\n\n\n\n\n\n\n\n\nVenue: RUN auditorium \n\n\n\nLecture Notes: here.
URL:https://grk2905.de/event/special-lecture-prof-milena-grifoni/
CATEGORIES:Special lecture series
ATTACH;FMTTYPE=image/webp:https://grk2905.de/wp-content/uploads/2024/01/Grifoni-1.webp
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20241220T140000
DTEND;TZID=Europe/Berlin:20241220T154500
DTSTAMP:20260425T135521
CREATED:20241001T144837Z
LAST-MODIFIED:20260326T162835Z
UID:1435-1734703200-1734709500@grk2905.de
SUMMARY:RTG lecture: Scanning Tunneling Microscopy: Basics and Time-Resolved Advances
DESCRIPTION:Prof. Dr. Jascha Repp \n\n\n\nUniversity of RegensburgThis tutorial presentation will offer an introduction to the basic concepts of scanning tunneling microscopy. Following a description of the experimental setup\, the Bardeen tunneling approximation and the Tersoff-Hamann theory will be introduced. Various scanning and spectroscopy modes will then be examined in detail. Different approaches to introduce temporal resolution in scanning tunneling microscopy over a broad range of timescales will be presented. The talk will be illustrated with examples taken from the literature.
URL:https://grk2905.de/event/grk-lecture-prof-dr-jascha-repp/
CATEGORIES:Special lecture series
ATTACH;FMTTYPE=image/webp:https://grk2905.de/wp-content/uploads/2024/01/Repp-e1734691472919.webp
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20241129T140000
DTEND;TZID=Europe/Berlin:20241129T154500
DTSTAMP:20260425T135521
CREATED:20241001T143100Z
LAST-MODIFIED:20260326T162929Z
UID:1424-1732888800-1732895100@grk2905.de
SUMMARY:RTG lecture: Advancing biophysics using DNA Origami
DESCRIPTION:14:00 h \n\n\n\nProf. Dr. Dina Grohmann \n\n\n\nUniversity of Regensburg \n\n\n\n \n\n\n\nOver the last two decades – aiming to imitate efficient biological machineries – artificial nanostructures have been developed that form defined 2D- and 3D-shapes including carbon-nanotubes\, DNA origami and cyclodextrins. Among these\, DNA origami found a remarkable rise of interest spurred by its biocompatible properties combined with the possibility to precisely and accurately arrange functional molecules like proteins\, nanoparticles\, DNA “docking stations” for biomolecular assays and fluorescent probes. Recently\, a synthetic membrane channel and a DNA nanorobot solely build by DNA origami have been introduced demonstrating the variety of structures possible. In this talk\, I will introduce the highly innovative world of DNA origami and illustrate how it enabled new biophysical insights. I describe various applications of DNA origami: rulers and positioning devices\, force measurements and force application devices\, serving as support for biomolecules in cryogenic electron microscopy and super-resolution microscopy\, programmable nanopores.
URL:https://grk2905.de/event/grk-lecture-prof-dr-dina-grohmann/
CATEGORIES:Special lecture series
ATTACH;FMTTYPE=image/webp:https://grk2905.de/wp-content/uploads/2024/01/Grohmann-e1727793099839.webp
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20241108T140000
DTEND;TZID=Europe/Berlin:20241108T150000
DTSTAMP:20260425T135521
CREATED:20241001T132420Z
LAST-MODIFIED:20241108T134936Z
UID:1399-1731074400-1731078000@grk2905.de
SUMMARY:Special lecture:Investigating ultrafast nanoscale dynamics with electrons and X-rays
DESCRIPTION:RUN auditorium \n\n\n\nProf. Dr. Sascha Schäfer \n\n\n\nRegensburg center for ultrafast nanoscopy \n\n\n\nAs an introduction to the lecture by Jörg Standfuss\, I will give an overview on current methodologies in ultrafast electron and X-ray imaging with a focus on:(1) the key properties of available pulsed sources\,(2) a comparison between imaging\, diffraction and holograpy approaches and(3) important limitations by beam-induced sample damage. \n\n\n\n\n\n\n\n\n\nf \n\n\n\n\nSee announcement
URL:https://grk2905.de/event/grk-colloquium-tba/
CATEGORIES:Special lecture series
ATTACH;FMTTYPE=image/webp:https://grk2905.de/wp-content/uploads/2024/01/Schaefer.webp
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20241025T150000
DTEND;TZID=Europe/Berlin:20241025T150000
DTSTAMP:20260425T135521
CREATED:20241001T133103Z
LAST-MODIFIED:20260326T163023Z
UID:1395-1729868400-1729868400@grk2905.de
SUMMARY:RTG Colloquium: Prof. Dr. Ido Kaminer
DESCRIPTION:15:00 h \n\n\n\nProf. Dr. Ido Kaminer \n\n\n\nRegensburg center for ultrafast nanoscopy \n\n\n\n\n\n\n\n\n\n\n\n\n\nDownload Annnouncement
URL:https://grk2905.de/event/grk-colloquium-tba-2/
CATEGORIES:Colloquium,Special lecture series
ATTACH;FMTTYPE=image/jpeg:https://grk2905.de/wp-content/uploads/2024/10/IdoKaminer.jpg
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