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@article{Pisanty:2018:1367-2630/aabb4d,
author = {Pisanty, E and Hickstein, DD and Galloway, BR and Durfee, CG and Kapteyn, HC and Murnane, MM and Ivanov, M},
doi = {1367-2630/aabb4d},
journal = {New Journal of Physics},
title = {High harmonic interferometry of the Lorentz force in strong mid-infrared  laser fields},
url = {http://dx.doi.org/10.1088/1367-2630/aabb4d},
volume = {20},
year = {2018}
}

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TY  - JOUR
AB  - The interaction of intense mid-infrared laser fields with atoms and moleculesleads to a range of new opportunities, from the production of bright, coherentradiation in the soft x-ray range to imaging molecular structures and dynamicswith attosecond temporal and sub-angstrom spatial resolution. However, allthese effects, which rely on laser-driven recollision of an electron removed bythe strong laser field and the parent ion, suffer from the rapidly increasingrole of the magnetic field component of the driving pulse: the associatedLorentz force pushes the electrons off course in their excursion and suppressesall recollision-based processes, including high harmonic generation, elasticand inelastic scattering. Here we show how the use of two non-collinear beamswith opposite circular polarizations produces a forwards ellipticity which canbe used to monitor, control, and cancel the effect of the Lorentz force. Thisarrangement can thus be used to re-enable recollision-based phenomena inregimes beyond the long-wavelength breakdown of the dipole approximation, andit can be used to observe this breakdown in high-harmonic generation usingcurrently-available light sources.
AU  - Pisanty,E
AU  - Hickstein,DD
AU  - Galloway,BR
AU  - Durfee,CG
AU  - Kapteyn,HC
AU  - Murnane,MM
AU  - Ivanov,M
DO  - 1367-2630/aabb4d
PY  - 2018///
SN  - 1367-2630
TI  - High harmonic interferometry of the Lorentz force in strong mid-infrared  laser fields
T2  - New Journal of Physics
UR  - http://dx.doi.org/10.1088/1367-2630/aabb4d
UR  - http://arxiv.org/abs/1606.01931v1
UR  - http://hdl.handle.net/10044/1/33631
VL  - 20
ER  -

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