Nonperturbative Treatment of Double Compton Backscattering in Intense Laser Fields Export

@article{citeulike:5780985, abstract = {The emission of a pair of entangled photons by an electron in an intense laser field can be described by two-photon transitions of laser-dressed, relativistic Dirac–Volkov states. In the limit of a small laser field intensity, the two-photon transition amplitude approaches the result predicted by double Compton scattering theory. Multiexchange processes with the laser field, including a large number of exchanged laser photons, cannot be described without the fully relativistic Dirac–Volkov propagator. The nonperturbative treatment significantly alters theoretical predictions for future experiments of this kind. We quantify the degree of polarization correlation of the photons in the final state by employing the well-established concurrence as a measure of the entanglement.}, author = {L\"{o}tstedt, Erik and Jentschura, Ulrich D.}, citeulike-article-id = {5780985}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000103000011110404000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aps.org/abstract/PRL/v103/e110404}, citeulike-linkout-2 = {http://dx.doi.org/10.1103/PhysRevLett.103.110404}, day = {9}, doi = {10.1103/PhysRevLett.103.110404}, journal = {Physical Review Letters}, keywords = {backscattering, compton, dirac, entaglement, field, intense, laser, non-linear, two-photon, volkov}, month = {September}, number = {11}, pages = {110404+}, posted-at = {2009-09-14 14:36:51}, priority = {2}, publisher = {APS}, title = {Nonperturbative Treatment of Double Compton Backscattering in Intense Laser Fields}, url = {http://dx.doi.org/10.1103/PhysRevLett.103.110404}, volume = {103}, year = {2009} }

TY - JOUR ID - citeulike:5780985 L3 - citeulike-article-id:5780985 N2 - The emission of a pair of entangled photons by an electron in an intense laser field can be described by two-photon transitions of laser-dressed, relativistic Dirac–Volkov states. In the limit of a small laser field intensity, the two-photon transition amplitude approaches the result predicted by double Compton scattering theory. Multiexchange processes with the laser field, including a large number of exchanged laser photons, cannot be described without the fully relativistic Dirac–Volkov propagator. The nonperturbative treatment significantly alters theoretical predictions for future experiments of this kind. We quantify the degree of polarization correlation of the photons in the final state by employing the well-established concurrence as a measure of the entanglement. IS - 11 JF - Physical Review Letters TI - Nonperturbative Treatment of Double Compton Backscattering in Intense Laser Fields PB - APS VL - 103 SP - 110404 KW - backscattering KW - compton KW - dirac KW - entaglement KW - field KW - intense KW - laser KW - non-linear KW - two-photon KW - volkov AU - Lötstedt, Erik AU - Jentschura, Ulrich PY - 2009/09/09/ UR - http://dx.doi.org/10.1103/PhysRevLett.103.110404 ER -