Emergent chirality in a polar meron to skyrmion phase transition

Kavli Affiliate: David A. Muller | First 5 Authors: Yu-Tsun Shao, Sujit Das, Zijian Hong, Ruijuan Xu, Swathi Chandrika | Summary: Polar skyrmions are predicted to emerge from the interplay of elastic, electrostatic and gradient energies, in contrast to the key role of the anti-symmetric Dzyalozhinskii-Moriya interaction in magnetic skyrmions. With the discovery of topologically-stable […]


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Dynamic pricing under nested logit demand

Kavli Affiliate: David Muller | First 5 Authors: David Müller, Yurii Nesterov, Vladimir Shikhman, , | Summary: Recently, there is growing interest and need for dynamic pricing algorithms, especially, in the field of online marketplaces by offering smart pricing options for big online stores. We present an approach to adjust prices based on the observed […]


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Non-Hermitian Dynamics Mimicked by a Hermitian Nonlinear System

Kavli Affiliate: Jeffrey Moses | First 5 Authors: Noah Flemens, Nicolas Swenson, Jeffrey Moses, , | Summary: We illustrate that a Hermitian nonlinear optical system consisting of hybridized parametric amplification and second harmonic generation mimics non-Hermitian evolution dynamics. Oscillation damping, evolution to a static steady state, and exceptional points arise from the use of second […]


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Path-Dependent Supercooling of the $^3$He Superfluid A-B transition

Kavli Affiliate: Jeevak Parpia | First 5 Authors: Dmytro Lotnyk, Anna Eyal, Nikolay Zhelev, Abhilash Sebastian, Yefan Tian | Summary: We examine the discontinuous first-order superfluid $^3$He A to B transition in the vicinity of the polycritical point (2.232 mK and 21.22 bar). We find path-dependent transitions: cooling at fixed pressure yields a well defined […]


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Direct Measurement of Thermalization to Rayleigh-Jeans Distribution in Optical Beam Self-Cleaning

Kavli Affiliate: Frank Wise | First 5 Authors: Hamed Pourbeyram, Pavel Sidorenko, Fan Wu, Logan Wright, Demetrios Christodoulides | Summary: An equilibrium thermodynamic framework that describes highly-multimode optical processes was introduced recently. This theory predicts the outcomes of complex linear and nonlinear multimode interactions based on thermodynamic principles and provides analytic results for the distributions […]


Continue.. Direct Measurement of Thermalization to Rayleigh-Jeans Distribution in Optical Beam Self-Cleaning

Direct Observation of Thermalization to a Rayleigh-Jeans Distribution in Multimode Optical Fibers

Kavli Affiliate: Frank Wise | First 5 Authors: Hamed Pourbeyram, Pavel Sidorenko, Fan Wu, Nicholas Bender, Logan Wright | Summary: Recent years have witnessed a resurgence of interest in nonlinear multimode optical systems where a host of intriguing effects have been observed that are impossible in single-mode settings. While nonlinearity can provide a rich environment […]


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Transferring Orbital Angular Momentum to an Electron Beam Reveals Toroidal and Chiral Order

Kavli Affiliate: Sol M. Gruner | First 5 Authors: Kayla X. Nguyen, Yi Jiang, Michael C. Cao, Prafull Purohit, Ajay K. Yadav | Summary: Orbital angular momentum and torque transfer play central roles in a wide range of magnetic textures and devices including skyrmions and spin-torque electronics(1-4). Analogous topological structures are now also being explored […]


Continue.. Transferring Orbital Angular Momentum to an Electron Beam Reveals Toroidal and Chiral Order

Transferring Orbital Angular Momentum to an Electron Beam Reveals Toroidal and Chiral Order

Kavli Affiliate: Sol M. Gruner | First 5 Authors: Kayla X. Nguyen, Yi Jiang, Michael C. Cao, Prafull Purohit, Ajay K. Yadav | Summary: Orbital angular momentum and torque transfer play central roles in a wide range of magnetic textures and devices including skyrmions and spin-torque electronics(1-4). Analogous topological structures are now also being explored […]


Continue.. Transferring Orbital Angular Momentum to an Electron Beam Reveals Toroidal and Chiral Order

Out of Control: Reducing Probabilistic Models by Control-State Elimination

Kavli Affiliate: Johannes Lehmann | First 5 Authors: Tobias Winkler, Johannes Lehmann, Joost-Pieter Katoen, , | Summary: State-of-the-art probabilistic model checkers perform verification on explicit-state Markov models defined in a high-level programming formalism like the PRISM modeling language. Typically, the low-level models resulting from such program-like specifications exhibit lots of structure such as repeating subpatterns. […]


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