13 research outputs found
Self-modulation of nonlinear light in vacuum enhanced by orbital angular momentum
Nonlinear optical effects in vacuum have been investigated as a means to
verify quantum electrodynamics in a region of low photon energy. By considering
nonlinear electromagnetic waves in a three-dimensional cylindrical cavity, we
report that the orbital angular momentum of light strongly affects
self-modulations in a long timescale. The variation in optical phase is shown
to enhance the vacuum nonlinearity. Moreover, we demonstrate the time evolution
of the energy transfer between cavity modes and of the phase shift, paving new
possibility for verification experiments
Self-modulation of nonlinear light in vacuum enhanced by orbital angular momentum
Nonlinear optical effects in vacuum have been investigated as a means to verify quantum electrodynamics in a region of low photon energy. By considering nonlinear electromagnetic waves in a three-dimensional cylindrical cavity, we report that the orbital angular momentum of light strongly affects self-modulations in a long timescale. The variation in optical phase is shown to enhance the vacuum nonlinearity. Moreover, we demonstrate the time evolution of the energy transfer between cavity modes and of the phase shift, paving new possibility for verification experiments
Apparent homozygosity due to compound heterozygosity of one point mutation and an overlapping exon deletion mutation in ABCA12: A genetic diagnostic pitfall
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Hydroxyurea-induced amyopathic dermatomyositis presenting with heliotrope erythema
Hydroxyurea (HU) is a chemotherapeutic agent used for the treatment of myeloproliferative disorders such as chronic myeloid leukemia, polycythemia vera, and essential thrombocytosis. We describe a 69-year-old man who had essential thrombocytosis and developed amyopathic dermatomyositis after long-term HU therapy. He presented with Gottron papules and heliotrope erythema. The former has been described in all cases of HU-induced dermatomyositis; the latter has been seen in a few cases of that disorder
Recommended from our members
Hydroxyurea-induced amyopathic dermatomyositis presenting with heliotrope erythema
Hydroxyurea (HU) is a chemotherapeutic agent used for the treatment of myeloproliferative disorders such as chronic myeloid leukemia, polycythemia vera, and essential thrombocytosis. We describe a 69-year-old man who had essential thrombocytosis and developed amyopathic dermatomyositis after long-term HU therapy. He presented with Gottron papules and heliotrope erythema. The former has been described in all cases of HU-induced dermatomyositis; the latter has been seen in a few cases of that disorder