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quant-ph2025
Measurement-based quantum computation with variable-range interacting systems
Debkanta Ghosh, Keshav Das Agarwal, Pritam Halder +1
We demonstrate that weighted graph states (WGS) generated via variable-range interacting Ising spin systems where the interaction strength decays with distance as a power law, char…
quant-ph2025
Critical quantum metrology using non-Hermitian spin model with RT-symmetry
Keshav Das Agarwal, Tanoy Kanti Konar, Leela Ganesh Chandra Lakkaraju +1
The non-Hermitian transverse model with Kaplan-Shekhtman-Entin-Wohlman-Aharony (KSEA) interaction having -symmetry, referred to as model, possesses both…