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10 papers · 1 filter
Ground-State Phase Diagram of an Anisotropic S=1/2 Ladder with Different Leg Interactions
Takashi Tonegawa, Toshiya Hikihara, Kiyomi Okamoto +2
We explore the ground-state phase diagram of the two-leg ladder with different leg interactions. The and components of the leg interactions between nearest-neighbo…
A two-dimensional topological representation theorem for matroid polytopes of rank 4
Hiroyuki Miyata
The Folkman-Lawrence topological representation theorem, which states that every (loop-free) oriented matroid of rank can be represented as a pseudosphere arrangement on the $(…
Derivative of the disturbance with respect to information from quantum measurements
Hiroaki Terashima
To study the trade-off between information and disturbance, we obtain the first and second derivatives of the disturbance with respect to information for a fundamental class of qua…
A generalization of Pappus chain theorem
Hiroshi Okumura
We generalize Pappus chain theorem and give an analogue to this theorem.
Observation of the quantum valley Hall state in ballistic graphene superlattices
K. Komatsu, Y. Morita, E. Watanabe +4
In graphene superlattices, bulk topological currents can lead to long-range charge-neutral flow and non-local resistance near Dirac points. A ballistic version of these phenomena h…
Parametric Models for Mutual Kernel Matrix Completion
Rachelle Rivero, Tsuyoshi Kato
Recent studies utilize multiple kernel learning to deal with incomplete-data problem. In this study, we introduce new methods that do not only complete multiple incomplete kernel m…