Quantum-state transfer via the ferromagnetic chain in a spatially modulated field
Quantum-state transfer via the ferromagnetic chain in a spatially modulated field
We show that a perfect quantum-state transmission can be realized through a spin chain possessing the commensurate structure of an energy spectrum, which is matched with the corresponding parity. As an exposition of the mirror inversion symmetry discovered by Albanese et al. (e-print quant-ph∕0405029), the parity matched commensurability of the …