Peer-Review Publications

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2023

Z. W. Wu, Z. Q. Tian, C. Z. Dong, A. Surzhykov, and Stephan Fritzsche
Hyperfine-induced effects on K$α_1$ linear polarization following electron-impact excitation of heliumlike Tl$^79+$ ions with nuclear spin I=1/2
New journal of physics, 25 (9) :093039 (September 2023)
Publisher: IOP
ISSN: 1367-2630

Daniel Seipt, and Alec G. R. Thomas
Kinetic theory for spin-polarized relativistic plasmas
Physics of Plasmas, 30 (9) :093102 (September 2023)
ISSN: 1070-664X

Abstract:

The investigation of spin and polarization effects in ultra-high intensity laser–plasma and laser–beam interactions has become an emergent topic in high-field science recently. In this paper, we derive a relativistic kinetic description of spin-polarized plasmas, where quantum-electrodynamics effects are taken into account via Boltzmann-type collision operators under the local constant field approximation. The emergence of anomalous precession is derived from one-loop self-energy contributions in a strong background field. We are interested, in particular, in the interplay between radiation reaction effects and the spin polarization of the radiating particles. For this, we derive equations for spin-polarized quantum radiation reaction from moments of the spin-polarized kinetic equations. By comparing with the classical theory, we identify and discuss the spin-dependent radiation reaction terms and radiative contributions to spin dynamics.

Supriya Rajhans, Esmerando Escoto, Nikita Khodakovskiy, Praveen K. Velpula, Bonaventura Farace, Uwe Grosse-Wortmann, Rob J. Shalloo, Cord L. Arnold, Kristjan Põder, Jens Osterhoff, Wim P. Leemans, Ingmar Hartl, and Christoph Heyl
Post-compression of multi-millijoule picosecond pulses to few-cycles approaching the terawatt regime
Optics letters, 48 (18) :4753 - (September 2023)
Publisher: Soc.
ISSN: 0146-9592

Felix Karbstein
Two-beam laser photon merging
Phys. Rev. D, 108 :056028 (September 2023)
Publisher: American Physical Society

Brandon K. Russell, Paul T. Campbell, Qian Qian, Jason A. Cardarelli, Stepan S. Bulanov, Sergei V. Bulanov, Gabriele M. Grittani, Daniel Seipt, Louise Willingale, and Alexander G. R. Thomas
Ultrafast relativistic electron probing of extreme magnetic fields
Physics of Plasmas, 30 (9) :093105 (September 2023)
ISSN: 1070-664X

Abstract:

We investigate the suitability of using GeV laser wakefield accelerated electron beams to measure strong, B > 0.1 MT, magnetic fields. This method is explored as an alternative to proton deflectometry, which cannot be used for quantitative measurement using conventional analysis techniques at these extreme field strengths. Using such energetic electrons as a probe brings about several additional aspects for consideration, including beam divergence, detectors, and radiation reaction, which are considered here. Quantum radiation reaction on the probe is found to provide an additional measurement of the strength and length of fields, extending the standard deflectometry measurement that can only measure the path integrated fields. An experimental setup is proposed and measurement error is considered under near-term experimental conditions.

Jan Glorius, Yu. A. Litvinov, M. Aliotta, F. Amjad, B. Brückner, C. G. Bruno, R. Chen, T. Davinson, S. F. Dellmann, Timo Dickel, I. Dillmann, P. Erbacher, O. Forstner, H. Geissel, C. J. Griffin, Robert Grisenti, A. Gumberidze, E. Haettner, R. Hess, P.-M. Hillenbrand, C. Hornung, R. Joseph, B. Jurado, E. Kazanseva, R. Knöbel, D. Kostyleva, C. Kozhuharov, Natalia Kuzminchuk, C. Langer, G. Leckenby, C. Lederer-Woods, M. Lestinsky, S. Litvinov, B. Löher, B. Lorenz, E. Lorenz, J. Marsh, E. Menz, T. Morgenroth, I. Mukha, Nikolaos Petridis, U. Popp, A. Psaltis, S. Purushothaman, R. Reifarth, E. Rocco, P. Roy, M. S. Sanjari, C. Scheidenberger, M. Sguazzin, R. S. Sidhu, U. Spillmann, M. Steck, T. Stöhlker, J. A. Swartz, Y. K. Tanaka, H. Törnqvist, Laszlo Varga, D. Vescovi, H. Weick, M. Weigand, P. J. Woods, T. Yamaguchi, and J. Zhao
Storage, accumulation and deceleration of secondary beams for nuclear astrophysics
Nuclear instruments $&$ methods in physics research / B, 541 :190 - 193 (August 2023)
Publisher: Elsevier
ISSN: 0168-583x

Jonas Benjamin Ohland, D. Posor, U. Eisenbarth, V. Iancu, R. Ungureanu, D. Ursescu, and Vincent Bagnoud
Zernike-coefficient Extraction via Helical Beam Reconstruction for Optimization (ZEHBRO) in the far field
High power laser science and engineering, 11 :e86 (July 2023)
Publisher: Cambridge Univ. Press
ISSN: 2095-4719

S. Nanos, N. J. Esponda, Pierre-Michel Hillenbrand, A. Biniskos, A. Laoutaris, M. A. Quinto, Nikolaos Petridis, Esther Babette Menz, T. J. M. Zouros, Thomas Stöhlker, R. D. Rivarola, J. M. Monti, and E. P. Benis
Cusp-electron production in collisions of open-shell He-like oxygen ions with atomic targets
Physical review / A, 107 (6) :062815 (June 2023)
Publisher: APS
ISSN: 2469-9926

Yannik Zobus, Christian Brabetz, Johannes Hornung, Jonas Benjamin Ohland, Dirk Reemts, Ji-Ping Zou, Markus Loeser, Daniel Albach, Ulrich Schramm, and Vincent Bagnoud
Millijoule ultrafast optical parametric amplification as replacement for high-gain regenerative amplifiers
High power laser science and engineering, 11 :e48 (March 2023)
Publisher: Cambridge Univ. Press
ISSN: 2095-4719

Bian Yang, Z. W. Wu, Deyang Yu, Caojie Shao, Yingli Xue, Wei Wang, Zhangyong Song, Mingwu Zhang, Junliang Liu, Rongchun Lu, Yehong Wu, Fangfang Ruan, Yuezhao Zhang, S. Fritzsche, and Xiaohong Cai
Nearly isotropic Lyman-α1 radiation following nonradiative electron capture in Xe54+ + Kr collisions at 197 MeV u−1
Journal of Physics B: Atomic, Molecular and Optical Physics, 56 (5) :055203 (February 2023)
Publisher: IOP Publishing

Abstract:

We measured the angular distribution of the subsequently emitted Lyman-α 1 transition of Xe53+* ions following nonradiative electron capture in collisions of 197 MeV u−1 Xe54+ projectiles with gaseous krypton target. The alignment of the projectile 2p 3/2 state and the relative population of its magnetic substates were further deduced. In contrast to the available lower energy results (Yang et al 2020 Phys. Rev. A 102 042803), it is found that at 197 MeV u−1 the Lyman-α 1 radiation becomes much less anisotropic and the magnetic substates are nearly statistically populated. Moreover, the experimental findings are compared with the results of the corresponding radiative electron capture mechanism, obviously different energy dependence of the magnetic-substate population is obtained and discussed using semiclassical arguments, which help reveal the population mechanism of excited states in collisions of highly charged high-Z ions with atoms.

Maximilian Karst, Pauline Pfaller, Robert Klas, Ziyao Wang, Philipp Gierschke, Jan Rothhardt, and Jens Limpert
22-W average power high pulse energy multipass-cell-based post-compression in the green spectral range
Optics letters, 48 (5) :1300 ( 2023)
Publisher: OSA
ISSN: 0146-9592

Jorge Machado, Nancy Paul, Gabrielle Soum-Sidikov, Louis Duval, Stéphane Macé, Robert Lötzsch, Martino Trassinelli, and Paul Indelicato
Absolute measurement of the relativistic magnetic dipole transition in He-like sulfur
Physical review / A, 107 (3) :032821 ( 2023)
Publisher: APS
ISSN: 2469-9926

A. Fedotov, A. Ilderton, Felix Karbstein, B. King, D. Seipt, H. Taya, and G. Torgrimsson
Advances in QED with intense background fields
Physics Reports, 1010 :1 (April 2023)

Abstract:

Upcoming and planned experiments combining increasingly intense lasers and energetic particle beams will access new regimes of nonlinear, relativistic, quantum effects. This improved experimental capability has driven substantial progress in QED in intense background fields. We review here the advances made during the last decade, with a focus on theory and phenomenology. As ever higher intensities are reached, it becomes necessary to consider processes at higher orders in both the number of scattered particles and the number of loops, and to account for non-perturbative physics (e.g. the Schwinger effect), with extreme intensities requiring resummation of the loop expansion. In addition to increased intensity, experiments will reach higher accuracy, and these improvements are being matched by developments in theory such as in approximation frameworks, the description of finite-size effects, and the range of physical phenomena analysed. Topics on which there has been substantial progress include: radiation reaction, spin and polarisation, nonlinear quantum vacuum effects and connections to other fields including physics beyond the Standard Model.

J. Sommerfeldt, V. A. Yerokhin, Thomas Stöhlker, and A. Surzhykov
All-Order Coulomb Corrections to Delbrück Scattering above the Pair-Production Threshold
Physical review letters, 131 (6) :061601 ( 2023)
Publisher: APS
ISSN: 0031-9007

Albrecht Steinkopff, Christopher Aleshire, Arno Klenke, Cesar Jauregui, and Jens Limpert
Analysis of optical core-to-core coupling: challenges and opportunities in multicore fiber amplifiers
Optics express, 31 (17) :28564 ( 2023)
Publisher: Optica
ISSN: 1094-4087

W. Middents, G. Weber, A. Gumberidze, C. Hahn, T. Krings, N. Kurz, P. Pfäfflein, N. Schell, U. Spillmann, S. Strnat, M. Vockert, A. Volotka, A. Surzhykov, and T. Stöhlker
Angle-differential cross sections for Rayleigh scattering of highly linearly polarized hard x rays on Au atoms
Physical Review A, 107 :012805 (January 2023)

Abstract:

We perform a study on Rayleigh scattering of highly linearly polarized hard x rays on a thin Au foil target. In the study the angular distribution of the scattered radiation is analyzed in a relativistic regime both within and out of the plane of polarization of the incident beam. Within this experiment we scatter a synchrotron beam with a photon energy of 175 keV on a high-Z target foil, namely, gold. Our findings correlate well with state-of-the-art calculations of the scattering process performed in the framework of quantum electrodynamics and may have considerable impact on future experiments regarding a polarization-resolved analysis of Delbrück scattering. Furthermore, we show that the angular distribution of Rayleigh scattering can be used for a highly sensitive determination of the degree and orientation of the linear polarization of the incident hard-x-ray beam, if we rely on the theoretical framework.

Sizhong Wu, Z. Q. Tian, and Stephan Fritzsche
Angular distribution of the characteristic line $1s2p\,^3P_2 \rightarrow 1s^2\,^1S_0$ of thallium ions: hyperfine-induced multipole interference
The European physical journal / D, 77 (6) :95 ( 2023)
Publisher: Springer
ISSN: 1434-6060

Holger Gies, and Abdol Sabor Salek
Asymptotically safe Hilbert–Palatini gravity in an on-shell reduction scheme
The European physical journal / C, 83 (2) :173 ( 2023)
Publisher: Springer
ISSN: 1434-6044

Arthur Schönberg, Haydar Sarper Salman, Ayhan Tajalli, Sonu Kumar, Ingmar Hartl, and Christoph Heyl
Below-threshold harmonic generation in gas-jets for Th-229 nuclear spectroscopy
Optics express, 31 (8) :12880 ( 2023)
Publisher: Optica
ISSN: 1094-4087

Daniel Santiago Penagos Molina, Lars Loetgering, Wilhelm Eschen, Jens Limpert, and Jan Rothhardt
Broadband ptychography using curved wavefront illumination
Optics express, 31 (16) :26958 ( 2023)
Publisher: Optica
ISSN: 1094-4087

Binghui Zhu, and Thomas Stöhlker
Calculation of Radiative Recombination Rates for Hydrogen-Like Ions at High-Z
Proceedings of FAIR next generation scientists - 7th Edition Workshop — PoS(FAIRness2022) - Sissa Medialab Trieste, Italy, 2023. - ISBN - doi:10.22323/1.419.0065
FAIR next generation scientists - 7th Edition Workshop, Paralia (Pieria) (Greece), 23 May 2022 - 27 May 2022
Publisher: Sissa Medialab Trieste, Italy (May 2023)

Andrey Bondarev, J. H. Gillanders, C. Cheung, M. S. Safronova, and S. Fritzsche
Calculations of multipole transitions in Sn II for kilonova analysis
The European physical journal / D, 77 (7) :126 ( 2023)
Publisher: Springer
ISSN: 1434-6060

C. G. Bruno, J. J. Marsh, T. Davinson, P. J. Woods, P. Black, A. Bräuning-Demian, Jan Glorius, A. Grant, O. Hall, A. Headspith, P. Hindley, I. Lazarus, K. Middleman, Nikolaos Petridis, Michael Lestinsky, Yu. A. Litvinov, R. S. Sidhu, and Thomas Stöhlker
CARME — The CRYRING Array for Reaction MEasurements
Nuclear instruments $&$ methods in physics research / A, 1048 :168007 ( 2023)
Publisher: North-Holland Publ. Co.
ISSN: 0167-5087

Sobhy Kholaif, Cesar Jauregui, Yiming Tu, and Jens Limpert
Characterization of transverse mode instability with a 4-quadrant photodiode
Optics express, 31 (6) :10633 ( 2023)
Publisher: Optica
ISSN: 1094-4087

Stephan Fritzsche, Li-Guang Jiao, Yuan-Cheng Wang, and Jozef E. Sienkiewicz
Collision Strengths of Astrophysical Interest for Multiply Charged Ions
Atoms, 11 (5) :80 ( 2023)
Publisher: MDPI
ISSN: 2218-2004

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