Search Results - "Weidemann, Sebastian"

Topological triple phase transition in non-Hermitian Floquet quasicrystals by Weidemann, Sebastian, Kremer, Mark, Longhi, Stefano, Szameit, Alexander

“…Phase transitions connect different states of matter and are often concomitant with the spontaneous breaking of symmetries. An important category of phase…”
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Topological funneling of light by Weidemann, Sebastian, Kremer, Mark, Helbig, Tobias, Hofmann, Tobias, Stegmaier, Alexander, Greiter, Martin, Thomale, Ronny, Szameit, Alexander

“…Dissipation is a general feature of non-Hermitian systems. But rather than being an unavoidable nuisance, non-Hermiticity can be precisely controlled and hence…”
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Coexistence of dynamical delocalization and spectral localization through stochastic dissipation by Weidemann, Sebastian, Kremer, Mark, Longhi, Stefano, Szameit, Alexander

“…Anderson’s groundbreaking discovery that the presence of stochastic imperfections in a crystal may result in a sudden breakdown of conductivity 1…”
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A Perspective on Synthetic Dimensions in Photonics by Ehrhardt, Max, Weidemann, Sebastian, Maczewsky, Lukas J., Heinrich, Matthias, Szameit, Alexander

“…The concept of synthetic dimension has recently emerged as a versatile way to overcome limitations in the number of effectively available dimensions by…”
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Observation of Anderson localization beyond the spectrum of the disorder by Dikopoltsev, Alex, Weidemann, Sebastian, Kremer, Mark, Steinfurth, Andrea, Sheinfux, Hanan Herzig, Szameit, Alexander, Segev, Mordechai

“…Anderson localization predicts that transport in one-dimensional uncorrelated disordered systems comes to a complete halt, experiencing no transport…”
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Observation of photonic constant-intensity waves and induced transparency in tailored non-Hermitian lattices by Steinfurth, Andrea, Krešić, Ivor, Weidemann, Sebastian, Kremer, Mark, Makris, Konstantinos G, Heinrich, Matthias, Rotter, Stefan, Szameit, Alexander

“…Light propagation is strongly affected by scattering due to imperfections in the complex medium. It has been recently theoretically predicted that a…”
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Topological and non- Hermitian Photonics in Coupled Optical Fiber Loops by Feis, Joshua, Weidemann, Sebastian, Steinfurth, Andrea, Gdrsch, Julia, Szameit, Alexander

“…Optical gain and loss give rise to non-Hermitian and topological physics in the evolution of light. Along these lines, we experimentally demonstrate induced…”
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Spacetime-topological events by Feis, Joshua, Weidemann, Sebastian, Sheppard, Tom, Price, Hannah M, Szameit, Alexander

“…Time is, figuratively and literally, becoming the new dimension for crystalline matter. As such, rapid recent progress on time-varying media gave rise to the…”
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Non-Hermitian Anderson Transport by Weidemann, Sebastian, Kremer, Mark, Longhi, Stefano, Szameit, Alexander

“…We predict and experimentally verify a novel non-Hermitian transport mechanism in which a stochastic energy exchange with the environment leads to localization…”
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Non-Hermitian Anderson Transport by Weidemann, Sebastian, Kremer, Mark, Longhi, Stefano, Szameit, Alexander

“…Andersons groundbreaking discovery that the presence of stochastic imperfections in a crystal may result in a sudden breakdown of conductivity revolutionized…”
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Observing interaction-induced topological doublon states by Beck, Julius, Drueke, Helena, Meschede, Marcus J., Heinrich, Matthias, Piccioli, Francesco S., Weidemann, Sebastian, Bauer, Dieter, Szameit, Alexander

“…We present the first observation of propagating topologically protected doublon states in an anomalous Floquet driven 1D array. Using dimensional mapping, the…”
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Floquet Harper-Hofstadter Butterflies and non-Hermitian phase transition in quasicrystals by Kremer, Mark, Weidemann, Sebastian, Longhi, Stefano, Wimmer, Martin, Peschel, Ulf, Szameit, Alexander

“…The non-Hermitian Aubry-André-Harper model exhibits a non-Hermitian phase transition that coincides with a localization transition. We provide a…”
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Observation of Anderson Localization by Virtual Transitions by Dikopoltsev, Alex, Kremer, Mark, Sheinfux, Hanan Herzig, Weidemann, Sebastian, Szameit, Alexander, Segev, Mordechai

“…We observe experimentally that virtual transitions can cause Anderson localization, without any first-order scattering processes. We implement this in a…”
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The Non-Hermitian Skin Effect as Light Funnel by Kremer, Mark, Weidemann, Sebastian, Helbig, Tobias, Hofmann, Tobias, Stegmaier, Alexander, Greiter, Martin, Thomale, Ronny, Szameit, Alexander

“…Non-Hermiticity, induced by anisotropic coupling, makes the mode spectrum highly sensitive to the existence of boundaries. We demonstrate and exploit this…”
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Efficient Light Funneling based on the non-Hermitian Skin Effect by Weidemann, Sebastian, Kremer, Mark, Helbig, Tobias, Hofmann, Tobias, Stegmaier, Alexander, Greiter, Martin, Thomale, Ronny, Szameit, Alexander

“…Science (2020) In the last two decades, the ubiquitous effect of dissipation has proven to entail astonishing non-Hermitian features, rather than just being an…”
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