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Questions related from Ananga Mohan Datta
In a non-Hermitian system, the expectation value of any operator changes with time. This happens for the number operator also. When an onsite complex potential is introduced in a system, that...
18 January 2021 7,216 5 View
In the case of the Hermitian system, there are only real eigenvalues. We find the ground state by finding the minimum eigenvalue of the Hermitian matrix. However, for a non-Hermitian case, we get...
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Recently, I am working on PT symmetric non-hermitian lattices. A PT symmetric non-hermitian Hamiltonian gives real eigenvalue spectrum in the unbroken symmetry region whereas it gives imaginary...
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