Zobrazeno 1 - 10
of 655
pro vyhledávání: '"Kornilov, O."'
Extreme-ultraviolet (XUV) sources including high-harmonic generation, free-electron lasers, soft x-ray lasers and laser-driven plasmas are widely used for applications ranging from femtochemistry and attosecond science to coherent diffractive imaging
Externí odkaz:
http://arxiv.org/abs/2002.11552
Autor:
Reduzzi, M., Chu, W. -C., Feng, C., Dubrouil, A., Hummert, J., Calegari, F., Frassetto, F., Poletto, L., Kornilov, O., Nisoli, M., Lin, C. -D., Sansone, G.
The coherent interaction with ultrashort light pulses is a powerful strategy for monitoring and controlling the dynamics of wave packets in all states of matter. As light presents an oscillation period of a few femtoseconds ($T=2.6$~fs in the near in
Externí odkaz:
http://arxiv.org/abs/1902.10136
Autor:
Sánchez-Barriga, J., Battiato, M., Golias, E., Varykhalov, A., Yashina, L. V., Kornilov, O., Rader, O.
Publikováno v:
Appl. Phys. Lett. 110, 141605 (2017)
Using time- and angle-resolved photoemission, we investigate the ultrafast response of excited electrons in the ternary topological insulator (Bi$_{1 x}$Sb$_{x}$)$_2$Te$_3$ to fs-infrared pulses. We demonstrate that at the critical concentration $x$=
Externí odkaz:
http://arxiv.org/abs/1705.07078
Autor:
Sánchez-Barriga, J., Battiato, M., Krivenkov, M., Golias, E., Varykhalov, A., Romualdi, A., Yashina, L. V., Minár, J., Kornilov, O., Ebert, H., Held, K., Braun, J.
Publikováno v:
Phys. Rev. B 95, 125405 (2017)
Using time-, spin- and angle-resolved photoemission, we investigate the ultrafast spin dynamics of hot electrons on the surface of the topological insulator Bi$_2$Te$_3$ following optical excitation by fs-infrared pulses. We observe two surface-reson
Externí odkaz:
http://arxiv.org/abs/1705.07071
Autor:
Sánchez-Barriga, J., Golias, E., Varykhalov, A., Braun, J., Yashina, L. V., Schumann, R., Minár, J., Ebert, H., Kornilov, O., Rader, O.
Publikováno v:
Phys. Rev. B 93, 155426 (2016)
Three-dimensional topological insulators (TIs) are characterized by spin-polarized Dirac-cone surface states that are protected from backscattering by time-reversal symmetry. Control of the spin polarization of topological surface states (TSSs) using
Externí odkaz:
http://arxiv.org/abs/1505.02742
Autor:
Sánchez-Barriga, J., Varykhalov, A., Braun, J., Xu, S. -Y., Alidoust, N., Kornilov, O., Minár, J., Hummer, K., Springholz, G., Bauer, G., Schumann, R., Yashina, L. V., Ebert, H., Hasan, M. Z., Rader, O.
Publikováno v:
Phys. Rev. X 4, 011046 (2014)
Topological insulators are characterized by Dirac cone surface states with electron spins aligned in the surface plane and perpendicular to their momenta. Recent theoretical and experimental work implied that this specific spin texture should enable
Externí odkaz:
http://arxiv.org/abs/1310.1160
Autor:
Fang, L., Hoener, M., Gessner, O., Tarantelli, F., Pratt, S. T., Kornilov, O., Buth, C., Güehr, M., Kanter, E. P., Bostedt, C., Bozek, J. D., Bucksbaum, P. H., Chen, M., Coffee, R., Cryan, J., Glownia, M., Kukk, E., Leone, S. R., Berrah, N.
Publikováno v:
PRL 105, 083005 (2010)
We investigate the creation of double K-shell holes in N2 molecules via sequential absorption of two photons on a timescale shorter than the core-hole lifetime by using intense x-ray pulses from the Linac Coherent Light Source free electron laser. Th
Externí odkaz:
http://arxiv.org/abs/1303.1429
Publikováno v:
Phys. Rev. Lett. 95, 063002 (2005)
The size of the helium trimer is determined by diffracting a beam of He-4 clusters from a 100 nm grating inclined by 21 degree. Due to the bar thickness the projected slit width is roughly halved to 27 nm, increasing the sensitivity to the trimer siz
Externí odkaz:
http://arxiv.org/abs/quant-ph/0412064
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Akademický článek
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