Testing Lennard-Jones Clusters for OptimalityThis note advertises a simple necessary condition for optimality that any list N vx(N) of computer-generated putative lowest average pair energies vx(N) of clusters that consist of N…Michael K. -H. Kiessling·May 17, 2023SaveLearn
XUV fluorescence as a probe of laser-induced helium nanoplasma dynamicsXUV fluorescence spectroscopy provides information on energy absorption and dissipation processes taking place in the interaction of helium clusters with intense femtosecond laser pulses. The present…Malte Sumfleth, Andreas Przystawik, Mahesh Namboodiri et al.·May 17, 2023SaveLearn
Electron energy loss and angular asymmetry induced by elastic scattering in helium dropletsHelium nanodroplets are ideal model systems to unravel the complex interaction of condensed matter with ionizing radiation. Here we study the effect of purely elastic electron scattering on angular…Jakob D. Asmussen, Keshav Sishodia, Björn Bastian et al.·May 9, 2023SaveLearn
Temporal control of high-order harmonic cutoffs in periodic crystalsA theoretical study on the high-harmonic generation (HHG) in solids by a synthesized driver field is carried out. The vector potential of the driver field is instrumental in determining the Bloch…Nivash R., Amol R Holkundkar, Jayendra N. Bandyopadhyay·May 1, 2023SaveLearn
Dissociation dynamics in low energy electron attachment to nitrogen dioxideComplete dissociation dynamics of low energy electron attachment to nitrogen dioxide around 8.5 eV resonance has been studied using a velocity map imaging (VMI) spectrometer. Besides the three…Anirban Paul, Dipayan Biswas, Dhananjay Nandi·Apr 24, 2023SaveLearn
Long-lasting XUV activation of helium nanodroplets for avalanche ionizationWe study the dynamics of avalanche ionization of pure helium nanodroplets activated by a weak extreme-ultraviolet (XUV) pulse and driven by an intense near-infrared (NIR) pulse. In addition to a…C. Medina, A. Ø. Lægdsmand, L. Ben Ltaief et al.·Apr 13, 2023SaveLearn
Infrared spectra of the water-CO2 complex in the 4.3-3.6 micron region and determination of the ground state tunneling splitting for HDO-CO2Spectra of water-CO2 dimers are studied using a tunable mid-infrared source to probe a pulsed slit jet supersonic expansion. H2O-CO2 and D2O-CO2 are observed in the CO2 nu3 fundamental region (~2350…T. Gartner, C. Lauzin, A. R. W. McKellar et al.·Apr 5, 2023SaveLearn
Universal tetramer limit-cycle at the unitarity limitWe demonstrate that a four-boson limit-cycle independent of the Efimov one appears in Hamiltonian systems at the unitary limit. The model interaction contains two-, three- and four-body short-range…Tobias Frederico, Mario Gattobigio·Mar 27, 2023SaveLearn
Efficient Indirect Interatomic Coulombic Decay Induced by Photoelectron Impact Excitation in Large He NanodropletsIonization of matter by energetic radiation generally causes complex secondary reactions which are hard to decipher. Using large helium nanodroplets irradiated by XUV photons, we show that the full…L. Ben Ltaief, K. Sishodia, S. Mandal et al.·Mar 26, 2023SaveLearn
Inner Energy Relaxation and Growth of Nano-Size ParticlesIn this study, molecular dynamics simulations were conducted to investigate the relaxation of the internal energy in nano-sized particles and its impact on the nucleation of atomic clusters.…Mitchell Bredice, Michael G. Rozman, Jonathan Smucker et al.·Mar 22, 2023SaveLearn
Observation of Nuclear-wavepacket Interference in Ultrafast Inter-atomic Energy TransferWe report the experimental observation of quantum interference in the nuclear wave-packet dynamics driving ultrafast excitation-energy transfer in argon dimers below the threshold of interatomic…Meng Han, Jacqueline Fedyk, Jia-Bao Ji et al.·Mar 8, 2023SaveLearn
Optimizing the Structure of Acene ClustersWe present a study of the potential energy surface (PES) of anthracene, tetracene and pentacene clusters with up to 30 molecules. We have applied the basin-hopping Monte Carlo (BHMC) algorithm to…Philipp Elsässer, Tanja Schilling·Mar 6, 2023SaveLearn
Synergy between deep neural networks and the variational Monte Carlo method for small 4HeN clustersWe introduce a neural network-based approach for modeling wave functions that satisfy Bose-Einstein statistics. Applying this model to small 4HeN clusters (with N ranging from 2 to 14 atoms), we…William Freitas, S. A. Vitiello·Feb 1, 2023SaveLearn
About the connection of the electron binding energy of a single carbon anion with binding energies of an electron attached to carbon moleculesWe demonstrate that the model of zero-range potentials can be successfully employed for the description of attached electrons in atomic and molecular anions, for example, negatively charged carbon…Arkadiy S. Baltenkov, Igor Woiciechowski·Jan 11, 2023SaveLearn
Free-electron superfluorescence: collective optical dynamics at deep-subwavelength resolutionLong-range coherence and correlations between electrons in solids are the cornerstones for developing future quantum materials and devices. In 1954, Dicke described correlated spontaneous emission…Orr Be'er, Alexey Gorlach, Alina Nage et al.·Jan 4, 2023SaveLearn
Multiorbital effects in high-order harmonic emission from CO2We study the ellipticity of high-order harmonics emitted from CO2 molecule driven by linearly polarized laser fields using numerical simulations within the time-dependent density functional…Andres Mora, Lauren Bauerle, Yuqing Xia et al.·Jan 1, 2023SaveLearn
Electron diffraction study of the formation and growth of clusters in supersonic binary N2-Kr gas jetsAn electron diffraction diagnostics of substrate-free clusters formed in N2-Kr binary jets expanding through a supersonic nozzle into vacuum was carried out. Gas mixtures contained 0.5, 1, and 6…O. P. Konotop, O. G. Danylchenko·Dec 5, 2022SaveLearn
Size effect on polarization bremsstrahlung induced by electrons scattered on xenon clustersWe measured spectral distribution of absolute differential cross section of both ordinary and polarization bremsstrahlung for 0.3-1.0 keV electrons scattered on atoms and substrate-free nanoclusters…Yu. S. Doronin, A. A. Tkachenko, V. L. Vakula et al.·Dec 4, 2022SaveLearn
Plasmonic Resonant Intercluster Coulombic DecayLight-induced energy confinement in nanoclusters via plasmon excitations influences applications in nanophotonics, photocatalysis, and the design of controlled slow electron sources. The resonant…Rasheed Shaik, Hari R. Varma, Mohamed El-Amine Madjet et al.·Dec 2, 2022SaveLearn
Cascade infrared thermal photon emissionThe time development of the excitation energy of molecules and clusters cooling by emission of thermal vibrational infrared radiation has been studied. The energy distributions and the photon…Klavs Hansen, Ori Licht, Adeliya Kurbanov et al.·Nov 24, 2022SaveLearn
Electron Attachment and Electron Ionization of Helium Droplets Containing Clusters of C60 and Formic AcidHigh-resolution mass spectra of helium droplets doped with C60 and formic acid (FA) are ionized by electrons. Positive ion mass spectra reveal cluster ions [(C60)pFAn]+ together…Masoomeh Mahmoodi-Darian, Elias Jabbour Al Maalouf, Samuel Zöttl et al.·Nov 18, 2022SaveLearn
Isotope enrichment in neon clusters grown in helium nanodropletsNeon cluster ions Nes+ grown in pre-ionized, mass-to-charge selected helium nanodroplets (HNDs) reveal a strong enrichment of the heavy isotope 22Ne that depends on cluster size s and the…Lukas Tiefenthaler, Siegfried Kollotzek, Michael Gatchell et al.·Nov 17, 2022SaveLearn
Conformational change-modulated spin transport at the single-molecule level in carbon systems --Invited for the Third Carbon Special TopicControlling the spin transport at the single-molecule level, especially without the use of ferromagnetic contacts, becomes a focus of research in spintronics. Inspired by the progress on atomic-level…Yan-Dong Guo, Xue Zhao, Hong-Ru Zhao et al.·Nov 16, 2022SaveLearn
Solvation of Silver Ions in Noble Gases He, Ne, Ar, Kr, and XeWe use a novel technique to solvate silver cations in small clusters of noble gases. The technique involves formation of large, superfluid helium nanodroplets that are subsequently electron ionized,…Masoomeh Mahmoodi-Darian, Paul Martini, Lukas Tiefenthaler et al.·Nov 10, 2022SaveLearn
Atomic Gold Ions Clustered with Noble Gases: Helium, Neon, Argon, Krypton, and XenonHigh-resolution mass spectra of helium droplets doped with gold and ionized by electrons reveal HenAu+ cluster ions. Additional doping with heavy noble gases results in NenAu+, ArnAu+,…Paul Martini, Lorenz Kranabetter, Marcelo Goulart et al.·Nov 10, 2022SaveLearn