Publications (32)
Temperature-dependent electron-phonon coupling in LaSrCuO probed by femtosecond X-ray diffraction
B. Mansart, M. J. G. Cottet, G. F. Mancini +16
The strength of the electron-phonon coupling parameter and its evolution throughout a solid's phase diagram often determines phenomena such as superconductivity, charge- and spin-d…
In-plane optical spectral weight transfer in optimally doped BiSrCaCuO
F. Carbone, A. B. Kuzmenko, H. J. A. Molegraaf +3
We examine the redistribution of the in-plane optical spectral weight in the normal and superconducting state in tri-layer \bbb (Bi2223) near optimal doping ( = 110 K) on a si…
How strongly correlated is MnSi?
F. Carbone, M. Zangrando, A. Brinkman +7
We present an experimental study of the electronic structure of MnSi. Using X-ray Absorption Spectroscopy, X-ray photoemission and X-ray fluorescence we provide experimental eviden…
Statistical study of electron density turbulence and ion-cyclotron waves in the inner heliosphere: Solar Orbiter observations
F. Carbone, L. Sorriso-Valvo, Yu. V. Khotyaintsev +27
The recently released spacecraft potential measured by the RPW instrument on-board Solar Orbiter has been used to estimate the solar wind electron density in the inner heliosphere.…
Forecasting Low-Dimensional Turbulence via Multi-Dimensional Hybrid Quantum Reservoir Computing
L. Salatino, L. Mariani, A. Giordano +9
The prediction of complex dynamics remains an open problem across many domains of physics, where nonlinearities and multiscale interactions severely limit the reliability of conven…
Filming the formation and fluctuation of Skyrmion domains by cryo-Lorentz Transmission Electron Microscopy
J. Rajeswari, H. Ping, G. F. Mancini +10
Magnetic skyrmions are promising candidates as information carriers in logic or storage devices thanks to their robustness, guaranteed by the topological protection, and their nano…
Ultrafast Generation and Control of an Electron Vortex Beam via Chiral Plasmonic Near Fields
G. M. Vanacore, G. Berruto, I. Madan +12
Vortex-carrying matter waves, such as chiral electron beams, are of significant interest in both applied and fundamental science. Continuous wave electron vortex beams are commonly…
Scaling properties of the optical conductivity of Bi-based cuprates
D. van der Marel, F. Carbone, A. B. Kuzmenko +1
We present novel infrared optical conductivity data on the three layer high Tc superconductor Bi2Sr2Ca2Cu3O10 at optimal doping. We extend the analysis of an earlier publication, p…
Optical and thermodynamic properties of the high-temperature superconductor HgBa_2CuO_4+delta
E. van Heumen, R. Lortz, A. B. Kuzmenko +9
In- and out-of-plane optical spectra and specific heat measurements for the single layer cuprate superconductor Hg-1201 at optimal doping (Tc = 97 K) are presented. Both the in-pla…
From attosecond to zeptosecond coherent control of free-electron wave functions using semi-infinite light fields
G. M. Vanacore, I. Madan, G. Berruto +8
Light-electron interaction in empty space is the seminal ingredient for free-electron lasers and also for controlling electron beams to dynamically investigate materials and molecu…
Strong magnetic pair breaking in Mn substituted MgB_2 single crystals
K. Rogacki, B. Batlogg, J. Karpinski +9
Magnetic ions (Mn) were substituted in MgB_2 single crystals resulting in a strong pair-breaking effect. The superconducting transition temperature, T_c, in Mg_{1-x}Mn_xB_2 has bee…
Ultrafast Transverse Modulation of Free Electrons by Interaction with Shaped Optical Fields
I. Madan, V. Leccese, A. Mazur +11
Spatio-temporal shaping of electron beams is a bold frontier in electron microscopy, enabling new routes toward spatial-resolution enhancement, selective probing, low-dose imaging…
Quantitative imaging of flux vortices in type-II superconductor MgB using Cryo-Lorentz Transmission Electron Microscopy
M. J. G. Cottet, M. Cantoni, B. Mansart +5
Imaging of flux vortices in high quality MgB single crystals has been successfully performed in a commercial Field Emission Gun-based Transmission Electron Microscope. In Cryo-…
One-dimensional ghost imaging with an electron microscope: a route towards ghost imaging with inelastically scattered electrons
E. Rotunno, S. Gargiulo, G. M. Vanacore +11
In quantum mechanics, entanglement and correlations are not just a mere sporadic curiosity, but rather common phenomena at the basis of an interacting quantum system. In electron m…
Ultrafast generation of hidden phases via energy-tuned electronic photoexcitation in magnetite
B. Truc, P. Usai, F. Pennacchio +8
Metal-insulator transitions (MIT) occurring in non-adiabatic conditions can evolve through high-energy intermediate states that are difficult to observe and control via static meth…
Observation of a phonon avalanche in highly photoexcited hybrid perovskite single crystals
G. M. Vanacore, J. Hu, E. Baldini +11
In hybrid lead halide perovskites, the coupling between photogenerated charges and the ionic degrees of freedom plays a crucial role in defining the intrinsic limit of carrier mobi…
Intraband Optical Spectral Weight in the presence of a van Hove singularity: application to BiSrCaCuO
F. Marsiglio, F. Carbone, A. Kuzmenko +1
The Kubo single band sum rule is used to determine the optical spectral weight of a tight binding band with further than nearest neighbour hopping. We find for a wide range of para…
Coupling of a high-energy excitation to superconducting quasiparticles in a cuprate from Coherent Charge Fluctuation Spectroscopy
B. Mansart, J. Lorenzana, A. Mann +4
Dynamical information on spin degrees of freedom of proteins or solids can be obtained by Nuclear Magnetic Resonance (NMR) and Electron Spin Resonance (ESR). A technique with simil…
meV resolution in laser-assisted energy-filtered transmission electron microscopy
E. Pomarico, I. Madan, G. Berruto +5
The electronic, optical, and magnetic properties of quantum solids are determined by their low-energy (< 100 meV) many-body excitations. Dynamical characterization and manipulation…
Direct Role of Structural Dynamics in Electron-Lattice Coupling of Superconducting Cuprates
F. Carbone, D. -S. Yang, E. Giannini +1
The mechanism of electron pairing in high-temperature superconductors is still the subject of intense debate. Here, we provide direct evidence of the role of structural dynamics, w…
Model-Independent Sum Rule Analysis Based on Limited-Range Spectral Data
A. B. Kuzmenko, D. van der Marel, F. Carbone +1
Partial sum rules are widely used in physics to separate low- and high-energy degrees of freedom of complex dynamical systems. Their application, though, is challenged in practice…
Superconductivity-Induced Transfer of In-Plane Spectral Weight in Bi2Sr2CaCu2O8: Resolving a Controversy
A. B. Kuzmenko, H. J. A. Molegraaf, F. Carbone +1
We present a detailed analysis of the superconductivity-induced redistribution of optical spectral weight in Bi2Sr2CaCu2O8 near optimal doping. It confirms the previous conclusion…
Powerlaw optical conductivity with a constant phase angle in high Tc superconductors
D. van der Marel, H. J. A. Molegraaf, J. Zaanen +7
In certain materials with strong electron correlations a quantum phase transition (QPT) at zero temperature can occur, in the proximity of which a quantum critical state of matter…
Resonant Inelastic X-ray Scattering Study of Electron-Exciton Coupling in High-Tc Cuprates
F. Barantani, M. K. Tran, I. Madan +14
Explaining the mechanism of superconductivity in the high- cuprates requires an understanding of what causes electrons to form Cooper pairs. Pairing can be mediated by phonons…
Generation and control of localized terahertz fields in photoemitted electron plasmas
Eduardo J. C. Dias, I. Madan, S. Gargiulo +6
Dense micron-sized electron plasmas, such as those generated upon irradiation of nanostructured metallic surfaces by intense femtosecond laser pulses, constitute a rich playground…
Ultrafast holography enabled by quantum interference of ultrashort electrons
I. Madan, G. M. Vanacore, E. Pomarico +7
Holography relies on the interference between a known reference and a signal of interest to reconstruct both the amplitude and phase of that signal. Commonly performed with photons…
Doping Dependence of the Redistribution of Optical Spectral Weight in BiSrCaCuO
F. Carbone, A. B. Kuzmenko, H. J. A. Molegraaf +10
We present the ab-plane optical conductivity of four single crystals of BiSrCaCuO (Bi2212) with different carrier doping levels from the strongly underdo…
Laser-Induced Skyrmion Writing and Erasing in an Ultrafast Cryo-Lorentz Transmission Electron Microscopy
G. Berruto, I. Madan, Y. Murooka +11
We demonstrate that light-induced heat pulses of different duration and energy can write skyrmions in a broad range of temperatures and magnetic field in FeGe. Using a combination…
Evidence for a Peierls phase-transition in a three-dimensional multiple charge-density waves solid
B. Mansart, M. J. G. Cottet, T. J. Penfold +4
The effect of dimensionality on materials properties has become strikingly evident with the recent discovery of graphene. Charge ordering phenomena can be induced in one dimension…
Ultrafast structural and electronic dynamics of the metallic phase in a layered manganite
L. Piazza, C. Ma, H. X. Yang +4
The transition between different states in manganites can be driven by various external stimuli. Controlling these transitions with light opens the possibility to investigate the m…
Real time observation of cuprates structural dynamics by Ultrafast Electron Crystallography
F. Carbone, N. Gedik, J. Lorenzana +1
The phonon-mediated attractive interaction between carriers leads to the Cooper pair formation in conventional superconductors. Despite decades of research, the glue holding Cooper…
Universal dynamical conductance in graphite
A. B. Kuzmenko, E. van Heumen, F. Carbone +1
We find experimentally that the optical sheet conductance of graphite per graphene layer is very close to , which is the theoretically expected value of dynamical cond…