Zobrazeno 1 - 10
of 269
pro vyhledávání: '"Savoini, M"'
Autor:
Mankowsky, R., Müller, M., Sander, M., Zerdane, S., Liu, X., Babich, D., Ueda, H., Deng, Y., Winkler, R., Strudwick, B., Savoini, M., Giorgianni, F., Johnson, S. L., Pomjakushina, E., Beaud1, P., Fennel, T., Lemke, H. T., Staub, U.
Resonant driving of electronic transitions with coherent laser sources creates quantum coherent superpositions of the involved electronic states. Most time-resolved studies have focused on gases or isolated subsystems embedded in insulating solids, a
Externí odkaz:
http://arxiv.org/abs/2309.12751
Autor:
Maklar, J., Windsor, Y. W., Nicholson, C. W., Puppin, M., Walmsley, P., Esposito, V., Porer, M., Rittmann, J., Leuenberger, D., Kubli, M., Savoini, M., Abreu, E., Johnson, S. L., Beaud, P., Ingold, G., Staub, U., Fisher, I. R., Ernstorfer, R., Wolf, M., Rettig, L.
The interaction of many-body systems with intense light pulses may lead to novel emergent phenomena far from equilibrium. Recent discoveries, such as the optical enhancement of the critical temperature in certain superconductors and the photo-stabili
Externí odkaz:
http://arxiv.org/abs/2011.03230
Autor:
Neugebauer, M. J., Huber, T., Savoini, M., Abreu, E., Esposito, V., Kubli, M., Rettig, L., Bothschafter, E., Grübel, S., Kubacka, T., Rittmann, J., Ingold, G., Beaud, P., Dominko, D., Demsar, J., Johnson, S. L.
Publikováno v:
Phys. Rev. B 99, 220302 (2019)
Femtosecond time-resolved x-ray diffraction is employed to study the dynamics of the periodic lattice distortion (PLD) associated with the charge-density-wave (CDW) in K0.3MoO3. Using a multi-pulse scheme we show the ability to extend the lifetime of
Externí odkaz:
http://arxiv.org/abs/1902.00388
Using reflective cross-polarized 2D THz time-domain spectroscopy in the range of 1-12 THz, we follow the trajectory of the out-of-equilibrium electron population in the low-bandgap semiconductor InSb. The 2D THz spectra show a set of distinct feature
Externí odkaz:
http://arxiv.org/abs/1901.00691
Akademický článek
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Autor:
Iacocca, E., Liu, T-M., Reid, A. H., Fu, Z., Ruta, S., Granitzka, P. W., Jal, E., Bonetti, S., Gray, A. X., Graves, C. E., Kukreja, R., Chen, Z., Higley, D. J., Chase, T., Guyader, L. Le, Hirsch, K., Ohldag, H., Schlotter, W. F., Dakovski, G. L., Coslovich, G., Hoffmann, M. C., Carron, S., Tsukamoto, A., Savoini, M., Kirilyuk, A., Kimel, A. V., Rasing, Th., Stöhr, J., Evans, R. F. L., Ostler, T., Chantrell, R. W., Hoefer, M. A., Silva, T. J., Dürr, H. A.
Publikováno v:
Nature Communications 10, 1756 (2019)
Sub-picosecond magnetisation manipulation via femtosecond optical pumping has attracted wide attention ever since its original discovery in 1996. However, the spatial evolution of the magnetisation is not yet well understood, in part due to the diffi
Externí odkaz:
http://arxiv.org/abs/1809.02076
Autor:
Porer, M., Fechner, M., Bothschafter, E., Rettig, L., Savoini, M., Esposito, V., Rittmann, J., Kubli, M., Neugebauer, M. J., Abreu, E., Kubacka, T., Huber, T., Lantz, G., Parchenko, S., Grübel, S., Paarmann, A., Noack, J., Beaud, P., Ingold, G., Aschauer, U., Johnson, S. L., Staub, U.
Publikováno v:
Phys. Rev. Lett. 121, 055701 (2018)
The ultrafast dynamics of the octahedral rotation in Ca:SrTiO3 is studied by time resolved x-ray diffraction after photo excitation over the band gap. By monitoring the diffraction intensity of a superlattice reflection that is directly related to th
Externí odkaz:
http://arxiv.org/abs/1805.00580
Autor:
Esposito, V., Rettig, L., Abreu, E., Bothschafter, E., Ingold, G., Kawasaki, M., Kubli, M., Lantz, G., Nakamura, M., Rittman, J., Savoini, M., Tokura, Y., Staub, U., Johnson, S. L., Beaud, P.
Publikováno v:
Phys. Rev. B 97, 014312 (2018)
We use femtosecond x-ray diffraction to study the structural response of charge and orbitally ordered Pr$_{1-x}$Ca$_x$MnO$_3$ thin films across a phase transition induced by 800 nm laser pulses. By investigating the dynamics of both superlattice refl
Externí odkaz:
http://arxiv.org/abs/1710.10085
Autor:
Lantz, G., Laulhé, C., Ravy, S., Kubli, M., Savoini, M., Tasca, K., Abreu, E., Esposito, V., Porer, M., Ciavardini, A., Cario, L., Rittmann, J., Beaud, P., Johnson, S. L.
Publikováno v:
Phys. Rev. B 96, 224101 (2017)
Recent experiments have shown that the high temperature incommensurate (I) charge density wave (CDW) phase of 1T-TaS2 can be photoinduced from the lower temperature, nearly commensurate (NC) CDW state. Here we report a time-resolved x-ray diffraction
Externí odkaz:
http://arxiv.org/abs/1708.08811
Autor:
Lantz, G., Neugebauer, M. J., Kubli, M., Savoini, M., Abreu, E., Tasca, K., Dornes, C., Esposito, V., Rittmann, J., Windsor, Y. W., Beaud, P., Ingold, G., Johnson, S. L.
Publikováno v:
Phys. Rev. Lett. 119, 227207 (2017)
The Prototypical magnetic memory shape alloy Ni$_2$MnGa undergoes various phase transitions as a function of temperature, pressure, and doping. In the low-temperature phases below 260 K, an incommensurate structural modulation occurs along the [110]
Externí odkaz:
http://arxiv.org/abs/1706.01685