43 citations · 257 across the 27 of their papers we have counts for
4 papers · 2 filters
Trends of information backflow in disordered spin chains
Sudipto Singha Roy, Utkarsh Mishra, Debraj Rakshit
We investigate the trends of information backflow associated with the dynamics of a sub-part of a disordered spin-1/2 transverse field Heisenberg chain for different regimes of the…
Effect of long-range interactions on multipartite entanglement in Heisenberg chains
Sudipto Singha Roy, Himadri Shekhar Dhar
It is well known that the notions of spatial locality are often lost in quantum systems with long-range interactions, as exhibited by the emergence of phases with exotic long-range…
Tensor-network approach to compute genuine multisite entanglement in infinite quantum spin chains
Sudipto Singha Roy, Himadri Shekhar Dhar, Aditi Sen De +1
We devise a method based on the tensor-network formalism to calculate genuine multisite entanglement in ground states of infinite spin chains containing spin-1/2 or spin-1 quantum…
Information-Theoretic Meaning of Quantum Information Flow and Its Applications to Amplitude Amplification Algorithms
Sudipto Singha Roy, Joonwoo Bae
The advantages of quantum information processing are in many cases obtained as consequences of quantum interactions, especially for computational tasks where two-qubit interactions…