Zobrazeno 1 - 10
of 834
pro vyhledávání: '"Biegert J."'
Autor:
Sidiropoulos, T. P. H., Di Palo, N., Rivas, D. E., Summers, A., Severino, S., Reduzzi, M., Biegert, J.
The excitation of quasi-particles near the extrema of the electronic band structure is a gateway to electronic phase transitions in condensed matter. In a many-body system, quasi-particle dynamics are strongly influenced by the electronic single-part
Externí odkaz:
http://arxiv.org/abs/2308.06067
Autor:
Jiang, H., Mandrysz, M., Sanchez, A., Dura, J., Steinle, T., Prauzner-Bechcicki, J. S., Zakrzewski, J., Lewenstein, M., He, F., Biegert, J., Ciappina, M. F.
We present a joint experimental and theoretical study of non-sequential double ionization (NSDI) in argon driven by a 3100-nm laser source. The correlated photoelectron momentum distribution (PMD) shows a strong dependence on the pulse duration, and
Externí odkaz:
http://arxiv.org/abs/2209.11983
Publikováno v:
Physical Review A 106, 043105 (2022)
Large polyatomic molecules typically exhibit low ionization potentials, Ip, leading to over-the-barrier ionization (OBI) already at relatively low intensities (~1013 W/cm2). We revisit laser-induced electron diffraction (LIED) in the over-the-barrier
Externí odkaz:
http://arxiv.org/abs/2209.04831
Autor:
Severino, S., Ziems, K. M., Reduzzi, M., Summers, A., Sun, H. -W., Chien, Y. -H., Gräfe, S., Biegert, J.
Publikováno v:
Nat. Photon. 18, 731-737 (2024)
Non-adiabatic dynamics and conical intersections play a central role in the chemistry of most polyatomic molecules, ranging from isomerization to heterocyclic ring opening and avoided photo-damage of DNA. Studying the underpinning correlated dynamics
Externí odkaz:
http://arxiv.org/abs/2209.04330
Autor:
Lewenstein, M., Baldelli, N., Bhattacharya, U., Biegert, J., Ciappina, M. F., Elu, U., Grass, T., Grochowski, P. T., Johnson, A., Lamprou, Th., Maxwell, A. S., Ordóñez, A., Pisanty, E., Rivera-Dean, J., Stammer, P., Tyulnev, I., Tzallas, P.
In this article, we will discuss a possibility of a symbiosis for attophysics (AP) and quantum information (QI) and quantum technologies (QT). We will argue that within few years AP will reach Technology Readiness Level (RTL) 4-5 in QT, and will thus
Externí odkaz:
http://arxiv.org/abs/2208.14769
Autor:
Sidiropoulos, T. P. H., Di Palo, N., Rivas, D. E., Severino, S., Reduzzi, M., Nandy, B., Bauerhenne, B., Krylow, S., Vasileiadis, T., Danz, T., Elliott, P., Sharma, S., Dewhurst, K., Ropers, C., Joly, Y., Garcia, K. M. E., Wolf, M., Ernstorfer, R., Biegert, J.
Detection of the energy conversion pathways, between photons, charge carriers, and the lattice is of fundamental importance to understand fundamental physics and to advance materials and devices. Yet, such insight remains incomplete due to experiment
Externí odkaz:
http://arxiv.org/abs/2110.06538
Autor:
Sanchez, A., Amini, K., Wang, S. -J., Steinle, T., Belsa, B., Danek, J., Le, A. T., Liu, X., Moshammer, R., Pfeifer, T., Richter, M., Ullrich, J., Gräfe, S., Lin, C. D., Biegert, J.
Publikováno v:
Nat Commun 12, 1520 (2021)
Ubiquitous to most molecular scattering methods is the challenge to retrieve bond distance and angle from the scattering signals since this requires convergence of pattern matching algorithms or fitting methods. This problem is typically exacerbated
Externí odkaz:
http://arxiv.org/abs/2107.00307
Autor:
Elu, U., Maidment, L., Vamos, L., Steinle, T., Haberstroh, F., Petrov, V., Badikov, V., Badikov, D., Biegert, J.
Publikováno v:
Opt. Lett. 45, 3813 (2020)
BGGSe is a newly developed nonlinear material that is attractive for ultrabroad frequency mixing and ultrashort pulse generation due to its comparably low dispersion and high damage threshold.In a first experiment, we show that a long crystal length
Externí odkaz:
http://arxiv.org/abs/2106.11557
Autor:
Faccio D., Hemmer M., Baudisch M., Thai A., Silva F., Austin Dane R., Couairon A., Biegert J.
Publikováno v:
EPJ Web of Conferences, Vol 41, p 10010 (2013)
We present supercontinuum generation pumped by femtosecond mid-infrared pulses in a bulk homogeneous material. The spectrum extends from 450 nm into the midinfrared, and carries high spectral energy density (3 pJ/nm–10 nJ/nm). The supercontinuum ha
Externí odkaz:
https://doaj.org/article/06013cdf9b03438ebec68fbcb02ac8c5
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