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quant-ph2026
Bridging two families of non-Hermiticity: from non-reciprocal couplings to an imaginary potential using the Lanczos transformation
Li Ge
Two types of non-Hermiticity found in physical systems, i.e., non-reciprocal couplings and complex potentials, have gained considerable interest recently. The former leads to the n…
quant-ph2026
Cyclic ladder operators and hidden Weyl-Heisenberg structure in a Floquet system
Tianao Wu, Li Ge
Ladder operators, found in the quantum harmonic oscillator and other quantized systems, provide an elegant approach to solving or understanding otherwise intricate physics problems…