Direct Measurement of Topological Properties of an Exceptional Parabola.
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DOI: 10.1103/physrevlett.127.034301
Abstract: Non-Hermitian systems can produce branch singularities known as exceptional points (EPs). Different from singularities in Hermitian systems, the topological properties of an EP can involve either the winding of eigenvalues that produces a discriminant number… read more here.
Keywords: parabola; topological properties; non hermitian; topology ... See more keywords
Identifying the distinctive acoustic cues of Mandarin tones
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DOI: 10.1121/1.5067655
Abstract: Using mathematical modeling, this study aims to characterize distinctive acoustic features of Mandarin tones based on a corpus of 1013 monosyllabic words produced by 21 native Mandarin speakers. For each tone, 22 acoustic cues were… read more here.
Keywords: distinctive acoustic; parabola; tone; model ... See more keywords