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Now showing 1 - 7 of 7
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    The Switch in a Genetic Toggle System with Lévy Noise
    (London : Nature Publishing Group, 2016) Xu, Y.; Li, Y.; Zhang, H.; Li, X.; Kurths, J.
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    Basin stability in delayed dynamics
    (London : Nature Publishing Group, 2016) Leng, S.; Lin, W.; Kurths, J.
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    Impact of climate change on larch budmoth cyclic outbreaks
    (London : Nature Publishing Group, 2016) Iyengar, S.V.; Balakrishnan, J.; Kurths, J.
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    Sub-nanometre resolution of atomic motion during electronic excitation in phase-change materials
    (London : Nature Publishing, 2016) Mitrofanov, Kirill V.; Fons, Paul; Makino, Kotaro; Terashima, Ryo; Shimada, Toru; Kolobov, Alexander, V.; Tominaga, Junji; Bragaglia, Valeria; Giussani, Alessandro; Calarco, Raffaella; Riechert, Henning; Sato, Takahiro; Katayama, Tetsuo; Ogawa, Kanade; Togashi, Tadashi; Yabashi, Makina; Wall, Simon; Brewe, Dale; Hase, Muneaki
    Phase-change materials based on Ge-Sb-Te alloys are widely used in industrial applications such as nonvolatile memories, but reaction pathways for crystalline-to-amorphous phase-change on picosecond timescales remain unknown. Femtosecond laser excitation and an ultrashort x-ray probe is used to show the temporal separation of electronic and thermal effects in a long-lived (>100 ps) transient metastable state of Ge2Sb2Te5 with muted interatomic interaction induced by a weakening of resonant bonding. Due to a specific electronic state, the lattice undergoes a reversible nondestructive modification over a nanoscale region, remaining cold for 4 ps. An independent time-resolved x-ray absorption fine structure experiment confirms the existence of an intermediate state with disordered bonds. This newly unveiled effect allows the utilization of non-thermal ultra-fast pathways enabling artificial manipulation of the switching process, ultimately leading to a redefined speed limit and improved energy efficiency and reliability of phase-change memory technologies.
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    The Likelihood of Recent Record Warmth
    (London : Nature Publishing Group, 2016) Mann, M.E.; Rahmstorf, S.; Steinman, B.A.; Tingley, M.; Miller, S.K.
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    Transitions in a genetic transcriptional regulatory system under Lévy motion
    (London : Nature Publishing Group, 2016) Zheng, Y.; Serdukova, L.; Duan, J.; Kurths, J.
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    Fishing-induced life-history changes degrade and destabilize harvested ecosystems
    (London : Nature Publishing Group, 2016) Kuparinen, A.; Boit, A.; Valdovinos, F.S.; Lassaux, H.; Martinez, N.D.