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Thermal screening and critical scaling of quantum energy teleportation in a harmonic chain
Taisanul Haque
We develop a finite-temperature Gaussian-state formulation of quantum energy teleportation in the one-dimensional harmonic chain. For Gibbs states, the optimized measurement-feedba…
Nontrivial bounds on extractable energy in quantum energy teleportation for gapped manybody systems with a unique ground state
Taisanul Haque
We establish an exponentially decaying upper bound on the average energy that can be extracted in quantum energy teleportation (QET) protocols executed on finite-range {gapped} lat…
Does Entanglement Correlation in Ground State Guarantee Quantum Energy Teleportation?
Taisanul Haque
Although extraction of energy from the ground state is forbidden, one can utilize Quantum Energy Teleportation (QET) protocol for energy extraction -- a two-step protocol involving…
Aspects of Quantum Energy Teleportation
Taisanul Haque
In this work, we explore quantum energy teleportation (QET) protocols, focusing on their behavior at finite temperatures , in ground and excited states. We analyze the role of enta…