Attosecond tracing of collective dynamics in clusters and nanoparticles


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 Nazionalità Coordinatore Germany [DE]
 Totale costo 1˙498˙500 €
 EC contributo 1˙498˙500 €
 Programma FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call ERC-2012-StG_20111012
 Funding Scheme ERC-SG
 Anno di inizio 2013
 Periodo (anno-mese-giorno) 2013-06-01   -   2018-05-31


# participant  country  role  EC contrib. [€] 

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
postcode: 80539

contact info
Titolo: Dr.
Nome: Matthias Friedrich
Cognome: Kling
Email: send email
Telefono: +49 89 32905 234
Fax: +49 89 32905 200

DE (MUENCHEN) hostInstitution 1˙498˙500.00

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
postcode: 80539

contact info
Titolo: Mr.
Nome: Steven
Cognome: Daskalov
Email: send email
Telefono: +49 89 2180 6941
Fax: +49 89 2180 2985

DE (MUENCHEN) hostInstitution 1˙498˙500.00


 Word cloud

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temporal    laser    dynamics    induced    electron    nanoplasmonic    attosecond    motion    cycle    theoretically    photoelectrons    time    timescale    frequencies    sub    collective    dielectrics    xuv    electronics    lightwave    attoco   

 Obiettivo del progetto (Objective)

'Collective electron motion can unfold on attosecond time scales in nanoplasmonic systems, as defined by the inverse spectral bandwidth of the plasmonic resonant region. Similarly, in dielectrics or semiconductors, the laser-driven collective motion of electrons can occur on this characteristic time scale. Until now, such collective electron dynamics has not been directly observed on its natural, attosecond timescale. In ATTOCO, the attosecond, sub-cycle dynamics of strong-field driven collective electron dynamics in clusters and nanoparticles will be explored. Moreover, we will explore field-dependent processes induced by strong laser fields in nanometer sized matter, such as the metallization of dielectrics, which has been recently proposed theoretically. In order to map the collective electron motion we will apply the attosecond nanoplasmonic streaking technique, which has been proposed and developed theoretically. In this approach, the temporal resolution is achieved by limiting the emission of high energetic, direct photoelectrons to a sub-cycle time window using attosecond XUV pulses phase-locked to a driving few-cycle near-infrared field. Kinetic energy spectra of the photoelectrons recorded for different delays between the excitation field and the ionizing XUV pulse will allow extracting the spatio-temporal electron dynamics. ATTOCO offers the capability to measure field-induced material changes in real-time and to gain novel insight into collective electron dynamics. In particular, we aim to learn from ATTOCO in detail, how the collective electron motion is established, how the collective motion is driven by the strong external field and over which pathways and timescale the collective motion decays. ATTOCO provides also a major step in the development of lightwave (nano-)electronics, which may push the frontiers of electronics from multi-gigahertz to petahertz frequencies. If successfully accomplished, this development will herald the potential scalability of electron-based information technologies to lightwave frequencies, surpassing the speed of current computation and communication technology by many orders of magnitude.'

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