4 papers
A graph-aware bounded distance decoder for all stabilizer codes
Harikrishnan K J, Amit Kumar Pal
We formulate a bounded distance decoding strategy applicable to all stabilizer codes including both CSS and non-CSS code-families. The framework emerges out of the local Clifford e…
Scaling of entanglement entropy and correlations in the variable-range extended Ising model
Harikrishnan K J, Debasis Sadhukhan, Amit Kumar Pal
We study the two-point correlation functions and the bipartite entanglement in the ground state of the exactly-solvable variable-range extended Ising model of qubits in the presenc…
Scalable and deterministic Greenberger-Horne-Zeilinger state generation via graph states-assisted measurements
Harikrishnan K J, Amit Kumar Pal
We propose a scalable and deterministic protocol for growing large multi-qubit states starting from two-qubit non-maximally entangled pure states, where the bipartite entanglement…
Robust quantum metrology using disordered probes
Vishnupriya K., Harikrishnan K. J., Amit Kumar Pal
Disorder is ubiquitous in quantum devices including quantum probes designed and fabricated for quantum parameter estimation and sensing. We investigate the robustness of a quantum…