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Song WL, Liu HB, Zhou B, Yang WL, An JH. Remote Charging and Degradation Suppression for the Quantum Battery. PHYSICAL REVIEW LETTERS 2024; 132:090401. [PMID: 38489615 DOI: 10.1103/physrevlett.132.090401] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 01/22/2024] [Indexed: 03/17/2024]
Abstract
The quantum battery (QB) makes use of quantum effects to store and supply energy, which may outperform its classical counterpart. However, there are two challenges in this field. One is that the environment-induced decoherence causes the energy loss and aging of the QB, the other is that the decreasing of the charger-QB coupling strength with increasing their distance makes the charging of the QB become inefficient. Here, we propose a QB scheme to realize a remote charging via coupling the QB and the charger to a rectangular hollow metal waveguide. It is found that an ideal charging is realized as long as two bound states are formed in the energy spectrum of the total system consisting of the QB, the charger, and the electromagnetic environment in the waveguide. Using the constructive role of the decoherence, our QB is immune to the aging. Additionally, without resorting to the direct charger-QB interaction, our scheme works in a way of long-range and wireless-like charging. Effectively overcoming the two challenges, our result supplies an insightful guideline to the practical realization of the QB by reservoir engineering.
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Affiliation(s)
- Wan-Lu Song
- Department of Physics, Hubei University, Wuhan 430062, China
| | - Hai-Bin Liu
- Department of Physics, Hubei University, Wuhan 430062, China
| | - Bin Zhou
- Department of Physics, Hubei University, Wuhan 430062, China
| | - Wan-Li Yang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences, Wuhan 430071, China
| | - Jun-Hong An
- Key Laboratory of Quantum Theory and Applications of MoE, Lanzhou Center for Theoretical Physics, and Key Laboratory of Theoretical Physics of Gansu Province, Lanzhou University, Lanzhou 730000, China
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Arjmandi MB, Mohammadi H, Saguia A, Sarandy MS, Santos AC. Localization effects in disordered quantum batteries. Phys Rev E 2023; 108:064106. [PMID: 38243481 DOI: 10.1103/physreve.108.064106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 11/07/2023] [Indexed: 01/21/2024]
Abstract
We investigate the effect of localization on the local charging of quantum batteries (QBs) modeled by disordered spin systems. Two distinct schemes based on the transverse-field random Ising model are considered, with Ising couplings defined on a Chimera graph and on a linear chain with up to next-to-nearest-neighbor interactions. By adopting a low-energy demanding charging process driven by local fields only, we obtain that the maximum extractable energy by unitary processes (ergotropy) is highly enhanced in the ergodic phase in comparison with the many-body localization (MBL) scenario. As we turn off the next-to-nearest-neighbor interactions in the Ising chain, we have the onset of the Anderson localization phase. We then show that the Anderson phase exhibits a hybrid behavior, interpolating between large and small ergotropy as the disorder strength is increased. We also consider the splitting of total ergotropy into its coherent and incoherent contributions. This incoherent part implies in a residual ergotropy that is fully robust against dephasing, which is a typical process leading to the self-discharging of the battery in a real setup. Our results are experimentally feasible in scalable systems, such as in superconducting integrated circuits.
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Affiliation(s)
- Mohammad B Arjmandi
- Faculty of Physics, University of Isfahan, P.O. Box 81746-7344, Isfahan, Iran and Quantum Optics Research Group, University of Isfahan, Isfahan 81746-7344, Iran
| | - Hamidreza Mohammadi
- Faculty of Physics, University of Isfahan, P.O. Box 81746-7344, Isfahan, Iran and Quantum Optics Research Group, University of Isfahan, Isfahan 81746-7344, Iran
| | - Andreia Saguia
- Instituto de Física, Universidade Federal Fluminense, Av. Gal. Milton Tavares de Souza s/n, Gragoatá, 24210-346 Niterói, Rio de Janeiro, Brazil
| | - Marcelo S Sarandy
- Instituto de Física, Universidade Federal Fluminense, Av. Gal. Milton Tavares de Souza s/n, Gragoatá, 24210-346 Niterói, Rio de Janeiro, Brazil
| | - Alan C Santos
- Departamento de Física, Universidade Federal de São Carlos, Rodovia Washington Luís, km 235-SP-310, 13565-905 São Carlos, SP, Brazil
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Crescente A, Ferraro D, Carrega M, Sassetti M. Analytically Solvable Model for Qubit-Mediated Energy Transfer between Quantum Batteries. ENTROPY (BASEL, SWITZERLAND) 2023; 25:e25050758. [PMID: 37238512 DOI: 10.3390/e25050758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/03/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023]
Abstract
The coherent energy transfer between two identical two-level systems is investigated. Here, the first quantum system plays the role of a charger, while the second can be seen as a quantum battery. Firstly, a direct energy transfer between the two objects is considered and then compared to a transfer mediated by an additional intermediate two-level system. In this latter case, it is possible to distinguish between a two-step process, where the energy is firstly transferred from the charger to the mediator and only after from the mediator to the battery, and a single-step in which the two transfers occurs simultaneously. The differences between these configurations are discussed in the framework of an analytically solvable model completing what recently discussed in literature.
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Affiliation(s)
- Alba Crescente
- Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
- CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy
| | - Dario Ferraro
- Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
- CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy
| | | | - Maura Sassetti
- Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy
- CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy
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Shaghaghi V, Singh V, Carrega M, Rosa D, Benenti G. Lossy Micromaser Battery: Almost Pure States in the Jaynes-Cummings Regime. ENTROPY (BASEL, SWITZERLAND) 2023; 25:e25030430. [PMID: 36981319 PMCID: PMC10048159 DOI: 10.3390/e25030430] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/15/2023] [Accepted: 02/25/2023] [Indexed: 06/01/2023]
Abstract
We consider a micromaser model of a quantum battery, where the battery is a single mode of the electromagnetic field in a cavity, charged via repeated interactions with a stream of qubits, all prepared in the same non-equilibrium state, either incoherent or coherent, with the matter-field interaction modeled by the Jaynes-Cummings model. We show that the coherent protocol is superior to the incoherent one, in that an effective pure steady state is achieved for generic values of the model parameters. Finally, we supplement the above collision model with cavity losses, described by a Lindblad master equation. We show that battery performances, in terms of stored energy, charging power, and steady-state purity, are slightly degraded up to moderated dissipation rate. Our results show that micromasers are robust and reliable quantum batteries, thus making them a promising model for experimental implementations.
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Affiliation(s)
- Vahid Shaghaghi
- Center for Nonlinear and Complex Systems, Dipartimento di Scienza e Alta Tecnologia, Università degli Studi dell’Insubria, via Valleggio 11, 22100 Como, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Milano, via Celoria 16, 20133 Milano, Italy
- Center for Theoretical Physics of Complex Systems, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea
| | - Varinder Singh
- Center for Theoretical Physics of Complex Systems, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea
| | | | - Dario Rosa
- Center for Theoretical Physics of Complex Systems, Institute for Basic Science (IBS), Daejeon 34126, Republic of Korea
- Basic Science Program, Korea University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Giuliano Benenti
- Center for Nonlinear and Complex Systems, Dipartimento di Scienza e Alta Tecnologia, Università degli Studi dell’Insubria, via Valleggio 11, 22100 Como, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Milano, via Celoria 16, 20133 Milano, Italy
- NEST, Istituto Nanoscienze-CNR, 56126 Pisa, Italy
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Jiang Y, Chen T, Xiao C, Pan K, Jin G, Yu Y, Chen A. Quantum Battery Based on Hybrid Field Charging. ENTROPY (BASEL, SWITZERLAND) 2022; 24:1821. [PMID: 36554226 PMCID: PMC9777628 DOI: 10.3390/e24121821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/07/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
A quantum battery consisting of an ensemble two-level atom is investigated. The battery is charged simultaneously by a harmonic field and an electrostatic field. The results show that the hybrid charging is superior to the previous case of only harmonic field charging in terms of battery capacity and charging power, regardless of whether the interaction between atoms is considered or not. In addition, the repulsive interaction between atoms will increase the battery capacity and charging power, while the attractive interaction between atoms will reduce the battery capacity and discharge power.
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Chen P, Yin TS, Jiang ZQ, Jin GR. Quantum enhancement of a single quantum battery by repeated interactions with large spins. Phys Rev E 2022; 106:054119. [PMID: 36559376 DOI: 10.1103/physreve.106.054119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 10/24/2022] [Indexed: 06/17/2023]
Abstract
A generalized collision model is developed to investigate coherent charging a single quantum battery by repeated interactions with many-atom large spins, where collective atom operators are adopted and the battery is modeled by a uniform energy ladder. For an initially empty battery, we derive analytical results of the average number of excitations and hence the charging power in the short-time limit. Our analytical results show that a faster charging and an increased amount of the power in the coherent protocol uniquely arise from the phase coherence of the atoms. Finally, we show that the charging power defined by the so-called ergotropy almost follows our analytical result, due to a nearly pure state of the battery in the short-time limit.
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Affiliation(s)
- P Chen
- Physics Department of Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - T S Yin
- Physics Department of Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Z Q Jiang
- Physics Department of Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - G R Jin
- Physics Department of Zhejiang Sci-Tech University, Hangzhou 310018, China
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Boosting Quantum Battery-Based IoT Gadgets via RF-Enabled Energy Harvesting. SENSORS 2022; 22:s22145385. [PMID: 35891062 PMCID: PMC9317955 DOI: 10.3390/s22145385] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/05/2022] [Accepted: 07/13/2022] [Indexed: 02/04/2023]
Abstract
The search for a highly portable and efficient supply of energy to run small-scale wireless gadgets has captivated the human race for the past few years. As a part of this quest, the idea of realizing a Quantum battery (QB) seems promising. Like any other practically tractable system, the design of QBs also involve several critical challenges. The main problem in this context is to ensure a lossless environment pertaining to the closed-system design of the QB, which is extremely difficult to realize in practice. Herein, we model and optimize various aspects of a Radio-Frequency (RF) Energy Harvesting (EH)-assisted, QB-enabled Internet-of-Things (IoT) system. Several RF-EH modules (in the form of micro- or nano-meter-sized integrated circuits (ICs)) are placed in parallel at the IoT receiver device, and the overall correspondingly harvested energy helps the involved Quantum sources achieve the so-called quasi-stable state. Concretely, the Quantum sources absorb the energy of photons that are emitted by a photon-emitting device controlled by a micro-controller, which also manages the overall harvested energy from the RF-EH ICs. To investigate the considered framework, we first minimize the total transmit power under the constraints on overall harvested energy and the number of RF-EH ICs at the QB-enabled wireless IoT device. Next, we optimize the number of RF-EH ICs, subject to the constraints on total transmit power and overall harvested energy. Correspondingly, we obtain suitable analytical solutions to the above-mentioned problems, respectively, and also cross-validate them using a non-linear program solver. The effectiveness of the proposed technique is reported in the form of numerical results, which are both theoretical and simulations based, by taking a range of operating system parameters into account.
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