Evidence for a Spatially-Modulated Superfluid Phase of $^3$He under Confinement

Kavli Affiliate: Jeevak M. Parpia | First 5 Authors: Lev V. Levitin, Ben Yager, Laura Sumner, Brian Cowan, Andrew J. Casey | Summary: In superfluid $^3$He-B confined in a slab geometry, domain walls between regions of different order parameter orientation are predicted to be energetically stable. Formation of the spatially-modulated superfluid stripe phase has been […]


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Detecting Exomoons Via Doppler Monitoring of Directly Imaged Exoplanets

Kavli Affiliate: Saul A. Rappaport | First 5 Authors: Andrew Vanderburg, Saul A. Rappaport, Andrew W. Mayo, , | Summary: Recently, Teachey, Kipping, and Schmitt (2018) reported the detection of a candidate exomoon, tentatively designated Kepler-1625b I, around a giant planet in the Kepler field. The candidate exomoon would be about the size and mass […]


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Very large scale characterization of graphene mechanical devices using a colorimetry technique

Kavli Affiliate: Herre Sjoerd Jan Van Der Zant | First 5 Authors: Santiago Jose Cartamil-Bueno, Alba Centeno, Amaia Zurutuza, Peter Gerard Steeneken, Herre Sjoerd Jan van der Zant | Summary: We use a scalable optical technique to characterize more than 21000 circular nanomechanical devices made out of suspended single- and double-layer graphene on cavities with […]


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Dissipation-enabled fractional Josephson effect

Kavli Affiliate: Anton Akhmerov | First 5 Authors: Doru Sticlet, Jay D. Sau, Anton Akhmerov, , | Summary: The anomalous $4pi$-periodic ac Josephson effect, a hallmark of topological Josephson junctions, was experimentally observed in a quantum spin Hall insulator. This finding is unexpected due to time-reversal symmetry preventing the backscattering of the helical edge states […]


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Around the nearby cycle functor for arithmetic $mathscr{D}$-modules

Kavli Affiliate: Tomoyuki Abe | First 5 Authors: Tomoyuki Abe, , , , | Summary: We will establish a nearby and vanishing cycle formalism for the arithmetic $mathscr{D}$-module theory following Beilinson’s philosophy. As an application, we define smooth objects in the framework of arithmetic $mathscr{D}$-modules whose category is equivalent to the category of overconvergent isocrystals. […]


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