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127 papers · 1 filter
Spin-orbit induced interference in polygon-structures
Marc J. van Veenhuizen, Takaaki Koga, Junsaku Nitta
We investigate the spin-orbit induced spin-interference pattern of ballistic electrons travelling along any regular polygon. It is found that the spin-interference depends strongly…
Optical diffraction spectroscopy of excitons in uniaxially-strained GaN films
Y. Toda, S. Adachi, Y. Abe +2
The degenerate four-wave mixing spectroscopy of uniaxially strained GaN layers is demonstrated using colinearly polarized laser pulses. The nonlinear response of FWM signal on exci…
Spin current and magneto-electric effect in non-collinear magnets
Hosho Katsura, Naoto Nagaosa, Alexander V. Balatsky
A new microscopic mechanism of the magneto-electric (ME) effect based on the spin supercurrent is theoretically presented for non-collinear magnets. The close analogy between the s…
Magnetic Phase Diagram of the Hole-doped CaNaCuOCl Cuprate Superconductor
K. Ohishi, I. Yamada, A. Koda +6
We report on the magnetic phase diagram of a hole-doped cuprate CaNaCuOCl, which is free from buckling of CuO planes, determined by muon spin rotation…
Multi-particle entanglement manipulation under positive partial transpose preserving operations
Satoshi Ishizaka, Martin B. Plenio
We consider the transformation of multi-partite states in the single copy setting under positive-partial-transpose-preserving operations (PPT-operations) and obtain both qualitativ…
Efficient Quantum Algorithms for the Hidden Subgroup Problem over a Class of Semi-direct Product Groups
Yoshifumi Inui, Francois Le Gall
In this paper, we consider the hidden subgroup problem (HSP) over the class of semi-direct product groups , for p and q prime. We first present…