dc.contributor.author | Bocharova, IA | |
dc.contributor.author | Alnaser, AS | |
dc.contributor.author | Thumm, U | |
dc.contributor.author | Niederhausen, T | |
dc.contributor.author | Ray, D | |
dc.contributor.author | Cocke, CL | |
dc.contributor.author | Litvinyuk, IV | |
dc.date.accessioned | 2017-05-03T15:37:31Z | |
dc.date.available | 2017-05-03T15:37:31Z | |
dc.date.issued | 2011 | |
dc.date.modified | 2011-09-22T06:48:00Z | |
dc.identifier.issn | 1050-2947 | |
dc.identifier.doi | 10.1103/PhysRevA.83.013417 | |
dc.identifier.uri | http://hdl.handle.net/10072/40882 | |
dc.description.abstract | We studied the nuclear dynamics in diatomic molecules (N2 , O2 , and CO) following their interaction with intense near-IR few-cycle laser pulses. Using Coulomb-explosion imaging in combination with the pump-probe approach, we mapped dissociation pathways of those molecules and their molecular ions. We identi?ed all symmetric and asymmetric breakup channels for molecular ions up to N5+ 2 , O4+ 2 , and CO4+ . For each of those channels we measured the kinetic energy release (KER) spectra as a function of delay between the pump and probe pulses. For both N2 and O2 the asymmetric (3,1) channel is only observed for short (<20 fs) delays and completely disappears after that. We interpret this observation as a signature of electron localization taking place in dissociating molecular tri-cations when their internuclear separation reaches about 2.5 times the equilibrium bond length. This is a direct con?rmation that electron localization plays an essential role in the universal mechanism of enhanced ionization in homonuclear diatomic molecules. Using classical and quantum mechanical simulations of the time-dependent KER spectra, we identify the pathways and intermediate states involved in the laser-induced dissociation of those molecules. | |
dc.description.peerreviewed | Yes | |
dc.description.publicationstatus | Yes | |
dc.language | English | |
dc.language.iso | eng | |
dc.publisher | American Physical Society | |
dc.publisher.place | United States | |
dc.relation.ispartofstudentpublication | N | |
dc.relation.ispartofpagefrom | 013417-1 | |
dc.relation.ispartofpageto | 013417-17 | |
dc.relation.ispartofissue | 1 | |
dc.relation.ispartofjournal | Physical Review A (Atomic, Molecular and Optical Physics) | |
dc.relation.ispartofvolume | 83 | |
dc.rights.retention | Y | |
dc.subject.fieldofresearch | Mathematical sciences | |
dc.subject.fieldofresearch | Physical sciences | |
dc.subject.fieldofresearch | Atomic and molecular physics | |
dc.subject.fieldofresearch | Chemical sciences | |
dc.subject.fieldofresearchcode | 49 | |
dc.subject.fieldofresearchcode | 51 | |
dc.subject.fieldofresearchcode | 510201 | |
dc.subject.fieldofresearchcode | 34 | |
dc.title | Time-resolved Coulomb-explosion imaging of nuclear wave-packet dynamics induced in diatomic molecules by intense few-cycle laser pulses | |
dc.type | Journal article | |
dc.type.description | C1 - Articles | |
dc.type.code | C - Journal Articles | |
gro.date.issued | 2011 | |
gro.hasfulltext | No Full Text | |
gro.griffith.author | Litvinyuk, Igor | |