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quant-ph2026
Entanglement and magic transitions in an all-to-all non-Hermitian spin model
Sasanka Dowarah, Michael Kolodrubetz
The long-time state of a non-Hermitian system is determined by the eigenvalue with the largest imaginary part. In interacting many-body systems this eigenvalue usually cannot be tr…
quant-ph2026
Mitigating Noise-Induced Barren Plateaus Using a Non-Unitary Ansatz: Application to Molecular Electronic Transport
Sasanka Dowarah, Abeda Sultana Shamma, Yazdan Maghsoud +2
Variational quantum algorithms (VQAs) offer a promising route toward simulating many-body quantum systems on noisy intermediate-scale quantum (NISQ) hardware. However, their scalab…