Search Results - "Landsman, Alexandra"

Tunneling Time and Weak Measurement in Strong Field Ionization by Zimmermann, Tomáš, Mishra, Siddhartha, Doran, Brent R, Gordon, Daniel F, Landsman, Alexandra S

“…Tunneling delays represent a hotly debated topic, with many conflicting definitions and little consensus on when and if such definitions accurately describe…”
Get full text

Extraction of higher-order nonlinear electronic response in solids using high harmonic generation by Han, Seunghwoi, Ortmann, Lisa, Kim, Hyunwoong, Kim, Yong Woo, Oka, Takashi, Chacon, Alexis, Doran, Brent, Ciappina, Marcelo, Lewenstein, Maciej, Kim, Seung-Woo, Kim, Seungchul, Landsman, Alexandra S.

“…Nonlinear susceptibilities are key to ultrafast lightwave driven optoelectronics, allowing petahertz scaling manipulation of the signal. Recent experiments…”
Get full text

Wannier-Bloch Approach to Localization in High-Harmonics Generation in Solids by Osika, Edyta N., Chacón, Alexis, Ortmann, Lisa, Suárez, Noslen, Pérez-Hernández, Jose Antonio, Szafran, Bartłomiej, Ciappina, Marcelo F., Sols, Fernando, Landsman, Alexandra S., Lewenstein, Maciej

“…Emission of high-order harmonics from solids provides a new avenue in attosecond science. On the one hand, it allows us to investigate fundamental processes of…”
Get full text

Disease extinction in the presence of random vaccination by Dykman, Mark I, Schwartz, Ira B, Landsman, Alexandra S

“…We investigate disease extinction in an epidemic model described by a birth-death process. We show that, in the absence of vaccination, the effective entropic…”
Get full text

Above-threshold ionization with X-ray free-electron lasers by Walker, Spencer, Landsman, Alexandra S.

“…This study delves into the relatively uncharted territory of Above Threshold Ionization in atoms, triggered by intense X-ray radiation fields. At these…”
Get full text

Probing molecular environment through photoemission delays by Biswas, Shubhadeep, Förg, Benjamin, Ortmann, Lisa, Schötz, Johannes, Schweinberger, Wolfgang, Zimmermann, Tomáš, Pi, Liangwen, Baykusheva, Denitsa, Masood, Hafiz A., Liontos, Ioannis, Kamal, Amgad M., Kling, Nora G., Alharbi, Abdullah F., Alharbi, Meshaal, Azzeer, Abdallah M., Hartmann, Gregor, Wörner, Hans J., Landsman, Alexandra S., Kling, Matthias F.

“…Attosecond chronoscopy has revealed small but measurable delays in photoionization, characterized by the ejection of an electron on absorption of a single…”
Get full text

High-order harmonic generation from a thin film crystal perturbed by a quasi-static terahertz field by Li, Sha, Tang, Yaguo, Ortmann, Lisa, Talbert, Bradford K., Blaga, Cosmin I., Lai, Yu Hang, Wang, Zhou, Cheng, Yang, Yang, Fengyuan, Landsman, Alexandra S., Agostini, Pierre, DiMauro, Louis F.

“…Studies of laser-driven strong field processes subjected to a (quasi-)static field have been mainly confined to theory. Here we provide an experimental…”
Get full text

Attosecond Time Delay Trends across the Isoelectronic Noble Gas Sequence by Grafstrom, Brock, Landsman, Alexandra S.

“…The analysis and measurement of Wigner time delays can provide detailed information about the electronic environment within and around atomic and molecular…”
Get full text

Photonic Angular Momentum in Intense Light–Matter Interactions by Schimmoller, Alex, Walker, Spencer, Landsman, Alexandra S.

“…Light contains both spin and orbital angular momentum. Despite contributing equally to the total photonic angular momentum, these components derive from quite…”
Get full text

Analysis of a higher-energy structure in nanotip enhanced fields by Gao, Xu-Zhen, Landsman, Alexandra S, Wang, Hushan, Huang, Pei, Zhang, Yanpeng, Wang, Bo, Wang, Yishan, Cao, Huabao, Fu, Yuxi, Pi, Liang-Wen

“…We investigate strong field ionization of an atomic gas in a plasmonically enhanced field resulting from the illumination of a nanometer-sized structure with…”
Get full text

Temporally-coherent terawatt attosecond XFEL synchronized with a few cycle laser by Kumar, Sandeep, Parc, Yong Woon, Landsman, Alexandra S., Kim, Dong Eon

“…Attosecond metrology using laser-based high-order harmonics has been significantly advanced and applied to various studies of electron dynamics in atoms,…”
Get full text

Does Carrier Envelope Phase Affect the Ionization Site in a Neutral Diatomic Molecule? by Schimmoller, Alex, Pasquinilli, Harrison, Landsman, Alexandra S.

“…A recent work shows how to extract the ionization site of a neutral diatomic molecule by comparing Quantum Trajectory Monte Carlo (QTMC) simulations with…”
Get full text

Tunable UV ∼ IR frequency comb generation via high-order sideband generation by Kim, Jeail, Kang, Hwihyeon, Elu, Ugaitz, Kim, Dasol, Haberstroh, Florian, Sidiropoulos, Themistoklis, Steinle, Tobias, Baudisch, Matthias, Ortmann, Lisa, Landsman, Alexandra S., Biegert, Jens, Chacón, Alexis, Kim, Dong Eon

“…Abstract We propose the generation of a widely tunable UV-to-IR frequency comb by high-order sideband generation (HSB) spectrum emitted from semiconductors. In…”
Get full text

Determining the Orbital Angular Momentum of a Vortex Beam Using Strong Field Ionization by Pasquinilli, Harrison, Schimmoller, Alex, Walker, Spencer, Landsman, Alexandra S.

“…While interferometric methods exist for classifying vortex states of light, these techniques usually require destroying the beam of interest to determine the…”
Get full text

Disentangling Long Trajectory Contributions in Two-Colour High Harmonic Generation by Hofmann, Cornelia, Landsman, Alexandra, Keller, Ursula

“…[...]the temporal coherence was explored [14], which showed two distinct spatial regions with different coherence times in the far-field pattern of the high…”
Get full text

Attosecond Time Delay in Photoionization of Noble-Gas and Halogen Atoms by Pi, Liang-Wen, Landsman, Alexandra

“…Ultrafast processes are now accessible on the attosecond time scale due to the availability of ultrashort XUV laser pulses. Noble-gas and halogen atoms remain…”
Get full text

Attosecond delays in X-ray molecular ionization by Driver, Taran, Mountney, Miles, Wang, Jun, Ortmann, Lisa, Al-Haddad, Andre, Berrah, Nora, Bostedt, Christoph, Champenois, Elio G., DiMauro, Louis F., Duris, Joseph, Garratt, Douglas, Glownia, James M., Guo, Zhaoheng, Haxton, Daniel, Isele, Erik, Ivanov, Igor, Ji, Jiabao, Kamalov, Andrei, Li, Siqi, Lin, Ming-Fu, Marangos, Jon P., Obaid, Razib, O’Neal, Jordan T., Rosenberger, Philipp, Shivaram, Niranjan H., Wang, Anna L., Walter, Peter, Wolf, Thomas J. A., Wörner, Hans Jakob, Zhang, Zhen, Bucksbaum, Philip H., Kling, Matthias F., Landsman, Alexandra S., Lucchese, Robert R., Emmanouilidou, Agapi, Marinelli, Agostino, Cryan, James P.

“…The photoelectric effect is not truly instantaneous but exhibits attosecond delays that can reveal complex molecular dynamics 1 – 7 . Sub-femtosecond-duration…”
Get full text

Terawatt-Isolated Attosecond X-ray Pulse Using a Tapered X-ray Free Electron Laser by Kumar, Sandeep, Landsman, Alexandra, Kim, Dong

“…High power attosecond (as) X-ray pulses are in great demand for ultrafast dynamics and high resolution microscopy. We numerically demonstrate the generation of…”
Get full text

Static Coherent States Method: One- and Two-Electron Laser-Induced Systems with Classical Nuclear Dynamics by Eidi, Mohammadreza, Vafaee, Mohsen, Landsman, Alexandra

“…In this report, we introduce the static coherent states (SCS) method for investigating quantum electron dynamics in a one- or two-electron laser-induced…”
Get full text

Tunneling Time and Weak Measurement in Strong Field Ionization by Zimmermann, Tomáš, Mishra, Siddhartha, Doran, Brent R., Gordon, Daniel F., Landsman, Alexandra S.

Get full text