Articolul precedent |
Articolul urmator |
252 0 |
SM ISO690:2012 KLEINER, Reinhold, ZHOU, Xianjing, DORSCH, Eric, ZHANG, Xufeng, KOELLE, Dieter, JIN, Dafei. Space-time crystalline order of a high-critical-temperature superconductor with intrinsic Josephson junctions. In: The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics, 22-25 octombrie 2021, Chişinău. Chişinău: 2021, p. 27. ISBN 978-9975-47-215-9. |
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The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics 2021 | ||||||
Conferința "The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics" Chişinău, Moldova, 22-25 octombrie 2021 | ||||||
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Pag. 27-27 | ||||||
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We theoretically demonstrate that the high-critical-temperature superconductor Bi2Sr2CaCu2O8+x (BSCCO) is a natural candidate for the recently envisioned classical space-time crystal. BSCCO intrinsically forms a stack of Josephson junctions. Under a periodic parametric modulation of the Josephson critical current density, the Josephson currents develop coupled space-time crystalline order, breaking the continuous translational symmetry in both space and time. The modulation frequency and amplitude span a (nonequilibrium) phase diagram for a so-defined spatiotemporal order parameter, which displays rigid pattern formation within a particular region of the phase diagram. Based on our calculations using representative material properties, we propose a laser-modulation experiment to realize the predicted space-time crystalline behavior. Our findings bring new insight into the nature of space-time crystals and, more generally, into nonequilibrium driven condensed matter systems. |
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