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Many-body quantum systems in the ground states have zero-point energy due to the uncertainty relation. In many cases, the system in the ground state accompanies spatially-entangled energy density fluctuation via the noncommutativity of the…

Quantum Physics · Physics 2015-06-12 Masahiro Hotta

Quantum energy teleportation (QET) is a process that leverages quantum entanglement and local operations to transfer energy between two spatially separated locations without physically transporting particles or energy carriers. We construct…

Quantum Physics · Physics 2026-04-02 Shlomi Dolev , Kazuki Ikeda , Yaron Oz

Quantum energy teleportation (QET) is the phenomenon in which locally inaccessible energy is activated as extractable work through collaborative local operations and classical communication (LOCC) with an entangled partner. It closely…

Quantum Physics · Physics 2024-12-23 Jinzhao Wang , Shunyu Yao

Protocols of quantum energy teleportation (QET), while retaining causality and local energy conservation, enable the transportation of energy from a subsystem of a many-body quantum system to a distant subsystem by local operations and…

Quantum Physics · Physics 2014-11-20 Masahiro Hotta

We consider a triple quantum dot system in a triangular geometry with one of the dots connected to metallic leads. Using Wilson's numerical renormalization group method, we investigate quantum entanglement and its relation to the…

Strongly Correlated Electrons · Physics 2015-06-15 S. B. Tooski , A. Ramsak , R. Zitko , B. R. Bulka

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 entanglement as a resource for QET, particularly in thermal…

Quantum Physics · Physics 2025-03-27 Taisanul Haque

Quantum Energy Teleportation (QET) is a novel method that leverages quantum entanglement to transfer energy between two distant locations without any physical movement of the energy. The first realization of QET on superconducting hardware,…

Quantum Physics · Physics 2025-07-28 Md Shoyib Hassan , Syed Emad Uddin Shubha , M. R. C Mahdy

Quantum-energy teleportation (QET) has so far only been realised on a two-qubit platform. Real-world communication, however, typically involves multiple parties. Here we design and experimentally demonstrate the first multi-qubit QET…

Quantum Physics · Physics 2025-05-06 Alif Elham Khan , Humayra Anjum , Mahdy Rahman Chowdhury

We present the evolution of quantum correlation in the quantum energy teleportation (QET) protocol using quantum discord, instead of the traditionally used entanglement entropy. In the QET protocol, where local observations and conditional…

High Energy Physics - Theory · Physics 2025-04-08 Kazuki Ikeda , Adam Lowe

We propose an experimental method for a quantum protocol termed quantum energy teleportation (QET), which allows energy transportation to a remote location without physical carriers. Using a quantum Hall system as a realistic model, we…

Quantum Physics · Physics 2015-05-30 Go Yusa , Wataru Izumida , Masahiro Hotta

In general, it is important to identify what is the informational resource for quantum tasks. Quantum energy teleportation (QET) is a quantum task, which attains energy transfer in an operational meaning by local operations and classical…

Quantum Physics · Physics 2015-04-09 Jose Trevison , Masahiro Hotta

Quantum energy teleportation (QET) exploits the existence of correlations to enable remote energy transfer without the need for physical energy carriers between emitter and receiver. This paper presents a review of the thermodynamic…

Quantum Physics · Physics 2025-07-15 Boris Ragula , Eduardo Martín-Martínez

This study investigates quantum energy teleportation (QET) using stochastic bi-partitioning in an $N-$body Hamiltonian system. In this protocol, project measurements are performed on $(N - m)$ qubits to capture quantum fluctuation…

Quantum Physics · Physics 2024-10-08 Zhirong Xun , Changliang Ren

Quantum energy teleportation (QET) is, from an operational viewpoint of distant protocol users, the transportation of energy via local operations and classical communication. QET has various links to fundamental research fields, including…

Quantum Physics · Physics 2014-01-21 Masahiro Hotta , Jiro Matsumoto , Go Yusa

Quantum Energy Teleportation (QET) constitutes a paradigm-shifting protocol that permits the activation of local vacuum energy through the consumption of pre-existing entanglement and classical communication. Nevertheless, the…

Quantum Physics · Physics 2026-01-27 M. Y. Abd-Rabbou , Irfan Siddique , Saeed Haddadi , Cong-Feng Qiao

We establish a novel quantum protocol called Timelike Quantum Energy Teleportation (TQET) between two separated parties $A$ and $B$, designed for transporting quantum energy across spacetime. The amount of energy gained through TQET is…

Quantum Physics · Physics 2026-01-30 Kazuki Ikeda

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 quantum measurements followed by LOCC. This is an unique…

Quantum Physics · Physics 2025-02-12 Taisanul Haque

We study the quantum energy teleportation in a four-spin one-dimensional Heisenberg model. A local magnetic field is applied at the edge sites to control the degree of the ground-state entanglement. In the teleportation protocol, an energy…

Quantum Physics · Physics 2023-05-09 Kanji Itoh , Yusuke Masaki , Hiroaki Matsueda

We present a model of quantum teleportation protocol based on one-dimensional quantum dots system. Three quantum dots with three electrons are used to perform teleportation, the unknown qubit is encoded using one electron spin on quantum…

Quantum Physics · Physics 2009-11-13 Hefeng Wang , Sabre Kais

It is well known that usual quantum teleportation protocols cannot transport energy. Recently, new protocols called quantum energy teleportation (QET) have been proposed, which transport energy by local operations and classical…

Quantum Physics · Physics 2015-05-13 Masahiro Hotta
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