نتایج جستجو برای: higher rank structure

تعداد نتایج: 2468854  

Journal: :Physical review research 2021

Higher rank symmetry and higher moment conservation have been drawn considerable attention from, e.g., subdiffusive transport to fracton topological order. In this paper, we perform a one-loop renormalization group (RG) analysis show how these phenomena emerge at low energies. We consider $d$-dimensional model of interacting bosons d components. At higher-rank-symmetric points with conserved an...

2007
MAN-DUEN CHOI JOHN A. HOLBROOK DAVID W. KRIBS KAROL ŻYCZKOWSKI

We verify a conjecture on the structure of higher-rank numerical ranges for a wide class of unitary and normal matrices. Using analytic and geometric techniques, we show precisely how the higher-rank numerical ranges for a generic unitary matrix are given by complex polygons determined by the spectral structure of the matrix. We discuss applications of the results to quantum error correction, s...

Journal: :Publications mathématiques de l'IHÉS 2019

Journal: :Transactions of the American Mathematical Society 2018

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