3 papers
quant-ph2025
Convex Optimization Approaches to Optimal Teleportation Fidelity in Linear Three-Party Networks
Arkaprabha Ghosal, Jatin Ghai, Tanmay Saha +2
We study the maximum achievable quantum teleportation fidelity between two distant parties, Alice and Charlie, where each of them share a bipartite quantum state only with a common…
quant-ph2025
Repeater-Based Quantum Communication Protocol: Maximizing Teleportation Fidelity with Minimal Entanglement
Arkaprabha Ghosal, Jatin Ghai, Tanmay Saha +2
Transmitting unknown quantum states to distant locations is crucial for distributed quantum information protocols. The seminal quantum teleportation scheme achieves this feat while…
quant-ph2024
Post-Markovian master equation à la microscopic collisional model
Tanmay Saha, Sahil, K. P. Athulya +1
We derive a completely positive post-Markovian master equation (PMME) from a microscopic Markovian collisional model framework, incorporating bath memory effects via a probabilisti…