Zobrazeno 1 - 10 of 45 pro vyhledávání: '"K. Hanff"'
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Bypassing the structural bottleneck in the ultrafast melting of electronic order
Autor: Yang, L. X., Rohde, G., Stange, K. Hanff. A., Xiong, R., Shi, J., Bauer, M., Rossnagel, K.
Publikováno v: Phys. Rev. Lett. 125, 266402 (2020)
The emergent properties of quantum materials, such as symmetry-broken phases and associated spectral gaps, can be effectively manipulated by ultrashort photon pulses. Impulsive optical excitation generally results in a complex non-equilibrium electro
Externí odkaz: http://arxiv.org/abs/2005.08523
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2
Survival of Floquet–Bloch States in the Presence of Scattering
Autor: Camilla Coletti, Angel Rubio, Shunsuke A. Sato, K. Hanff, Hannes Hübener, Isabella Gierz, S. Aeschlimann, Kai Rossnagel, Umberto De Giovannini, M. Chavez-Cervantes, R. Krause, Stiven Forti
Publikováno v: Nano Letters
Addi: Archivo Digital para la Docencia y la Investigación
Universidad del País Vasco
Addi. Archivo Digital para la Docencia y la Investigación
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Nano letters 21(12), 5028-5035 (2021). doi:10.1021/acs.nanolett.1c00801
Floquet theory has spawned many exciting possibilities for electronic structure control with light, with enormous potential for future applications. The experimental demonstration in solids, however, remains largely unrealized. In particular, the inf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52e50652fd510bc8068480ea0eae6b0d
http://europepmc.org/articles/PMC8227476
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3
Bypassing the Structural Bottleneck in the Ultrafast Melting of Electronic Order
Autor: K. Hanff, A. Stange, Kai Rossnagel, R. Xiong, G. Rohde, Jing Shi, Lexian Yang, Michael Bauer
Publikováno v: Physical review letters 125(26), 266402 (1-6) (2020). doi:10.1103/PhysRevLett.125.266402
Physical review letters 125(26), 266402 (1-6) (2020). doi:10.1103/PhysRevLett.125.266402
Impulsive optical excitation generally results in a complex nonequilibrium electron and lattice dynamics that involves multiple processes on distinct timesc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19c6ba623771e228096f4ea478949557
https://doi.org/10.1103/physrevlett.125.266402
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6
Ultrafast Doublon Dynamics in Photoexcited 1T - TaS2
Autor: Uwe Bovensiepen, Martin Eckstein, Y. Beyazit, Ph. Werner, M. Kalläne, I. Avigo, Manuel Ligges, Ping Zhou, L. Stojchevska, Kai Rossnagel, Denis Golež, Hugo U. R. Strand, Florian Diekmann, K. Hanff
Publikováno v: Physical Review Letters. 120
Strongly correlated materials exhibit intriguing properties caused by intertwined microscopic interactions that are hard to disentangle in equilibrium. Employing nonequilibrium time-resolved photoemission spectroscopy on the quasi-two-dimensional tra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef1fda485c1f960b67428c6e58c76917
https://doi.org/10.1103/physrevlett.120.166401
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7
Ultrafast Formation of a Fermi-Dirac Distributed Electron Gas
Autor: L.-P. Oloff, A. Stange, A. Müller, T. J. Albert, G. Rohde, K. Hanff, Michael Bauer, Kai Rossnagel, Petra Hein, M. Behrendt
Publikováno v: Physical review letters 121(25), 256401 (2018). doi:10.1103/PhysRevLett.121.256401
Physical review letters 121(25), 256401 (2018). doi:10.1103/PhysRevLett.121.256401
Time- and angle-resolved photoelectron spectroscopy with 13 fs temporal resolution is used to follow the different stages in the formation of a Fermi-Dirac distri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d53c9711b26b05da1446b79032ee3c0
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8
Ultrafast Doublon Dynamics in Photoexcited 1T-TaS_{2}
Autor: M, Ligges, I, Avigo, D, Golež, H U R, Strand, Y, Beyazit, K, Hanff, F, Diekmann, L, Stojchevska, M, Kalläne, P, Zhou, K, Rossnagel, M, Eckstein, P, Werner, U, Bovensiepen
Publikováno v: Physical review letters. 120(16)
Strongly correlated materials exhibit intriguing properties caused by intertwined microscopic interactions that are hard to disentangle in equilibrium. Employing nonequilibrium time-resolved photoemission spectroscopy on the quasi-two-dimensional tra
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::b2fbdb61b37319941e8b1fefd223404f
https://pubmed.ncbi.nlm.nih.gov/31050496
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9
Quasi-one-dimensional metallic band dispersion in the commensurate charge density wave of 1T−TaS2
Autor: Kevin Guilloy, Arlette S. Ngankeu, Marco Bianchi, Charlotte E. Sanders, Philip Hofmann, Martin Bremholm, Kai Rossnagel, Sanjoy K. Mahatha, Christina Breth Nielsen, Jill A. Miwa, K. Hanff
Publikováno v: Physical Review B. 96
The commensurate charge-density wave (CDW) in the layered compound $1T\ensuremath{-}{\mathrm{TaS}}_{2}$ has hitherto mostly been treated as a quasi-two-dimensional phenomenon. Recent band structure calculations have, however, predicted that the CDW c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c821e9eb336763e56e5b795b94b9aa91
https://doi.org/10.1103/physrevb.96.195147
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10
Does the excitation wavelength affect the ultrafast quenching dynamics of the charge-density wave in 1 T -TiSe 2 ?
Autor: Lutz Kipp, Timm Rohwer, G. Rohde, C. Sohrt, Lexian Yang, Kai Rossnagel, K. Hanff, Michael Bauer, A. Stange
Publikováno v: Journal of Electron Spectroscopy and Related Phenomena. 195:244-248
The ultrafast spectral responses of a charge-ordered state in 1 T -TiSe 2 to the photo-excitation with laser-pulses of 790 nm and 395 nm center wavelength are compared. Time- and angle-resolved photoemission reveals pronounced differences in the ener
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fee1b495dd9c086c6d416055272562d
https://doi.org/10.1016/j.elspec.2014.05.009
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