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quant-ph2025
The Magnus expansion for non-Hermitian Hamiltonians
Yair Mulian
The Magnus expansion offers a method to express a time-ordered exponential as an ordinary operatorial exponential. This representation has advantageous theoretical properties, whil…
quant-ph2024
On the exact solution for the Schrödinger equation
Yair Mulian
For almost 75 years, the general solution for the Schrödinger equation was assumed to be generated by an exponential or a time-ordered exponential known as the Dyson series. We stu…