Quantum energy teleportation with a linear harmonic chain

Journal Article · Fri Oct 15 00:00:00 EDT 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.82.042329· OSTI ID:21450747

Nambu, Yasusada; Hotta, Masahiro ^[1]

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1. Department of Physics, Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602 (Japan)

A protocol of quantum energy teleportation is proposed for a one-dimensional harmonic chain. A coherent-state positive operator-valued measure (POVM) measurement is performed on coupled oscillators of the chain in the ground state accompanied by energy infusion to the system. This measurement consumes a part of the ground-state entanglement. Depending on the measurement result, a displacement operation is performed on a distant oscillator accompanied by energy extraction from the zero-point fluctuation of the oscillator. We find that the amount of consumed entanglement is bounded from below by a positive value that is proportional to the amount of teleported energy.

• OSTI ID: 21450747
• Journal Information: Physical Review. A, Vol. 82, Issue 4; Other Information: DOI: 10.1103/PhysRevA.82.042329; (c) 2010 The American Physical Society; ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
EXTRACTION
FLUCTUATIONS
GROUND STATES
INFUSION
ONE-DIMENSIONAL CALCULATIONS
OPERATION
OSCILLATORS
QUANTUM ENTANGLEMENT
QUANTUM MECHANICS
QUANTUM OPERATORS
QUANTUM STATES
QUANTUM TELEPORTATION
ELECTRONIC EQUIPMENT
ENERGY LEVELS
EQUIPMENT
INTAKE
MATHEMATICAL OPERATORS
MECHANICS
SEPARATION PROCESSES
VARIATIONS