most citedBPS states, conserved charges and centres of symmetric group algebras

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quant-ph2019

Lazy Open Quantum Walks

Garreth Kemp, Ilya Sinayskiy, Francesco Petruccione

Open quantum walks (OQWs) describe a quantum walker on an underlying graph whose dynamics is purely driven by dissipation and decoherence. Mathematically, they are formulated as co…

quant-ph2017

Pauli Lubanski Vector Operator, Eigenvalue Problem and Entanglement

Garreth Kemp, Willi-Hans Steeb

We study an eigenvalue problem for a spin matrix arising in the Pauli Lubanski vector operator. Entanglement of the eigenvectors and its connection with degeneracy is discussed.