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- The University of TokyoJP22 papers
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Showing 2011 · math-phShow all
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math-ph2011★ 4 cited
Quantum graph vertices with permutation-symmetric scattering probabilities
Ondřej Turek, Taksu Cheon
Boundary conditions in quantum graph vertices are generally given in terms of a unitary matrix . Observing that if has at most two eigenvalues, then the scattering matrix $\…
math-ph2011★ 8 cited
Hermitian unitary matrices with modular permutation symmetry
Ondrej Turek, Taksu Cheon
We study Hermitian unitary matrices with the following property: There exist and such that the entries of satisfy $|\m…