• Novel Ringdown Amplitude-Phase Consistency Test 

  Forteza, Xisco Jiménez; Bhagwat, Swetha; Kumar, Sumit; Pani, Paolo (College Park, Md. : APS, 2023)

  The ringdown signal emitted during a binary black hole coalescence can be modeled as a linear superposition of the characteristic damped modes of the remnant black hole that get excited during the merger phase. While ...
• Missing for 20 yr: MeerKAT Redetects the Elusive Binary Pulsar M30B 

  Balakrishnan, Vishnu; Freire, Paulo C. C.; Ransom, S. M.; Ridolfi, Alessandro; Barr, E.D.; Chen, W.; Krishnan, Vivek Venkatraman; Champion, D.; Kramer, M.; Gautam, T.; Padmanabh, Prajwal V.; Men, Yunpeng; Abbate, F.; Stappers, B.W.; Stairs, I.; Keane, E.; Possenti, A. (London : Institute of Physics Publ., 2023)

  PSR J2140−2311B is a 13 ms pulsar discovered in 2001 in a 7.8 hr Green Bank Telescope observation of the core-collapsed globular cluster M30 and predicted to be in a highly eccentric binary orbit. This pulsar has eluded ...
• Reviving product states in the disordered Heisenberg chain 

  Wilming, Henrik; Osborne, Tobias J.; Decker, Kevin S. C.; Karrasch, Christoph ([London] : Nature Publishing Group UK, 2023)

  When a generic quantum system is prepared in a simple initial condition, it typically equilibrates toward a state that can be described by a thermal ensemble. A known exception is localized systems that are non-ergodic and ...
• Epithelial restitution in 3D - Revealing biomechanical and physiochemical dynamics in intestinal organoids via fs laser nanosurgery 

  Donath, Sören; Seidler, Anna Elisabeth; Mundin, Karlina; Wenzel, Johannes; Scholz, Jonas; Gentemann, Lara; Kalies, Julia; Faix, Jan; Ngezahayo, Anaclet; Bleich, André; Heisterkamp, Alexander; Buettner, Manuela; Kalies, Stefan (Amsterdam [u.a.] : Elsevier, 2023)

  Intestinal organoids represent a three-dimensional cell culture system mimicking the mammalian intestine. The application of single-cell ablation for defined wounding via a femtosecond laser system within the crypt base ...
• On the renormalization group fixed point of the two-dimensional Ising model at criticality 

  Stottmeister, Alexander; Osborne, Tobias J. ([London] : Macmillan Publishers Limited, part of Springer Nature, 2023)

  We analyze the renormalization group fixed point of the two-dimensional Ising model at criticality. In contrast with expectations from tensor network renormalization (TNR), we show that a simple, explicit analytic description ...
• Optical stimulated-Raman sideband spectroscopy of a single 9Be+ ion in a Penning trap 

  Cornejo, Juan M.; Brombacher, Johannes; Coenders, Julia A.; Boehn, Moritz von; Meiners, Teresa; Niemann, Malte; Ulmer, Stefan; Ospelkaus, Christian (College Park, MD : APS, 2023)

  We demonstrate optical sideband spectroscopy of a single 9Be+ ion in a cryogenic 5 tesla Penning trap using two-photon stimulated-Raman transitions between the two Zeeman sublevels of the 1s22s ground state manifold. By ...
• Mimicking acute airway tissue damage using femtosecond laser nanosurgery in airway organoids 

  Gentemann, Lara; Donath, Sören; Seidler, Anna E.; Patyk, Lara; Buettner, Manuela; Heisterkamp, Alexander; Kalies, Stefan (Lausanne : Frontiers Media, 2023)

  Airway organoids derived from adult murine epithelial cells represent a complex 3D in vitro system mimicking the airway epithelial tissue’s native cell composition and physiological properties. In combination with a precise ...
• Atom Strapdown: Toward Integrated Quantum Inertial Navigation Systems 

  Tennstedt, Benjamin; Rajagopalan, Ashwin; Weddig, Nicolai B.; Abend, Sven; Schön, Steffen; Rasel, Ernst M. (Manassas, VA : The Institute of Navigation, 2023)

  We present an alternative technique for estimating the response of a cold atom interferometer (CAI). Using data from a conventional inertial measurement unit (IMU) and common strapdown terminology, the position of the atom ...
• Contactless quasi-steady-state photoconductance (QSSPC) characterization of metal halide perovskite thin films 

  Grimm, Benjamin; Wolter, Sascha J.; Schmidt, Jan ([London] : Macmillan Publishers Limited, part of Springer Nature, 2023)

  We apply the contactless quasi-steady-state photoconductance (QSSPC) method to co-evaporated methyl ammonium lead iodide (MAPbI3) perovskite thin-films. Using an adapted calibration for ultralow photoconductances, we extract ...
• Analysis of the different faces of a nocturnal urban heat island 

  Gross, Günter (Stuttgart : E. Schweizerbart Science Publishers, 2023)

  The measurements of an urban-rural observation network in Hannover obtained over almost four years were used to analyse a canopy layer urban heat island (UHIUCL). Especially during the summer months, the UHIUCL was pronounced ...
• Molecular Junctions Enhancing Thermal Transport within Graphene Polymer Nanocomposite: A Molecular Dynamics Study 

  Di Pierro, Alessandro; Mortazavi, Bohayra; Fina, Alberto (Basel : MDPI, 2021)

  Thermal conductivity of polymer-based (nano)composites is typically limited by thermal resistances occurring at the interfaces between the polymer matrix and the conductive particles as well as between particles themselves. ...
• Evaluation of Streptococcus oralis adhesion and biofilm formation on laser-processed titanium 

  Doll, Katharina; Veiko, Vadim; Karlagina, Yulia; Odintsova, Galina; Heine, Nils; Egorova, Elena; Radaev, Maxim; Chichkov, Boris; Stiesch, Meike (Berlin : De Gruyter, 2021)

  To prevent implant-associated infections, surface modifications need to be developed that prevent bacterial colonisation and biofilm formation. In the present study, titanium surfaces were processed by nanosecond-pulsed ...
• Synchronized beamline at FLASH2 based on high-order harmonic generation for two-color dynamics studies 

  Appi, E.; Papadopoulou, C.C.; Mapa, J.L.; Jusko, C.; Mosel, P.; Schoenberg, A.; Stock, J.; Feigl, T.; Ališauskas, S.; Lang, T.; Heyl, C.M.; Manschwetus, B.; Brachmanski, M.; Braune, M.; Lindenblatt, H.; Trost, F.; Meister, S.; Schoch, P.; Trabattoni, A.; Calegari, F.; Treusch, R.; Moshammer, R.; Hartl, I.; Morgner, U.; Kovacev, M. ([Erscheinungsort nicht ermittelbar] : American Institute of Physics, 2021)

  We present the design, integration, and operation of the novel vacuum ultraviolet (VUV) beamline installed at the free-electron laser (FEL) FLASH. The VUV source is based on high-order harmonic generation (HHG) in gas and ...
• Ultrafast switching with nonlinear optics in thin films 

  Steinecke, Morten; Jupé, Marco; Wienke, Andreas; Ristau, Detlev (Washington, DC : Optical Soc. of America, 2023)

  We demonstrate a novel, to the best of our knowledge, concept for an all-optical switch based on the optical Kerr effect in optical interference coatings. The utilization of the internal intensity enhancement in thin film ...
• Substrate-free miniaturized thin-film filters for single-element coarse wavelength division multiplexing fibers 

  Rüsseler, Anna K.; Gehrke, Philipp; Carstens, Florian; Hoffmann, Gerd-A.; Schönsee, Guido; Thiel, Axel; Vitt, Martina; Wienke, Andreas; Ristau, Detlev (Washington, DC : Optical Soc. of America, 2023)

  We have created high-precision, miniaturized, substrate-free filters, based on ion beam sputtering on a sacrificial substrate. The sacrificial layer is cost efficient and environmentally friendly and can be dissolved using ...
• Sympathetic cooling schemes for separately trapped ions coupled via image currents 

  Will, C.; Bohman, M.; Driscoll, T.; Wiesinger, M.; Abbass, F.; Borchert, M.J.; Devlin, J.A.; Erlewein, S.; Fleck, M.; Latacz, B.; Moller, R.; Mooser, A.; Popper, D.; Wursten, E.; Blaum, K.; Matsuda, Y.; Ospelkaus, C.; Quint, W.; Walz, J.; Smorra, C.; Ulmer, S. ([Bad Honnef] : Dt. Physikalische Ges., 2022)

  Cooling of particles to mK-temperatures is essential for a variety of experiments with trapped charged particles. However, many species of interest lack suitable electronic transitions for direct laser cooling. We study ...
• Universal quantum computation and quantum error correction with ultracold atomic mixtures 

  Kasper, Valentin; González-Cuadra, Daniel; Hegde, Apoorva; Xia, Andy; Dauphin, Alexandre; Huber, Felix; Tiemann, Eberhard; Lewenstein, Maciej; Jendrzejewski, Fred; Hauke, Philipp (Philadelphia, PA : IOP Publishing, 2022)

  Quantum information platforms made great progress in the control of many-body entanglement and the implementation of quantum error correction, but it remains a challenge to realize both in the same setup. Here, we propose ...
• LR B-splines to approximate bathymetry datasets: An improved statistical criterion to judge the goodness of fit 

  Skytt, Vibeke; Kermarrec, Gaël; Dokken, Tor (Amsterdam [u.a.] : Elsevier Science, 2022)

  The task of representing remotely sensed scattered point clouds with mathematical surfaces is ubiquitous to reduce a high number of observations to a compact description with as few coefficients as possible. To reach that ...
• Topology of Asymptotically Conical Calabi–Yau and G2 Manifolds and Desingularization of Nearly Kähler and Nearly G2 Conifolds 

  Schiemanowski, Lothar (New York, NY : Springer, 2023)

  A natural approach to the construction of nearly G2 manifolds lies in resolving nearly G2 spaces with isolated conical singularities by gluing in asymptotically conical G2 manifolds modelled on the same cone. If such a ...
• Kilonovae and Optical Afterglows from Binary Neutron Star Mergers. II. Optimal Search Strategy for Serendipitous Observations and Target-of-opportunity Observations of Gravitational Wave Triggers 

  Zhu, Jin-Ping; Wu, Shichao; Yang, Yuan-Pei; Liu, Chang; Zhang, Bing; Song, Hao-Ran; Gao, He; Cao, Zhoujian; Yu, Yun-Wei; Kang, Yacheng; Shao, Lijing (London : Institute of Physics Publ., 2023)

  In the second work of this series, we explore the optimal search strategy for serendipitous and gravitational-wave-triggered target-of-opportunity (ToO) observations of kilonovae and optical short-duration gamma-ray burst ...

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