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Issue Information: Ann. Phys. 7/2025 发布信息：Ann。理论物理的7/2025
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-07-14 DOI: 10.1002/andp.70008
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引用次数: 0
(Ann. Phys. 7/2025) (安。phy。7/2025)
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-07-14 DOI: 10.1002/andp.70009
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引用次数: 0
Issue Information: Ann. Phys. 6/2025 发布信息：Ann。理论物理的6/2025
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-06-09 DOI: 10.1002/andp.202570013
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引用次数: 0
(Ann. Phys. 6/2025) (安。phy。6/2025)
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-06-09 DOI: 10.1002/andp.202570012
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引用次数: 0
Quantifying Imperfect Cognition Via Achieved Information Gain 通过获得的信息增益来量化不完善的认知
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-06-09 DOI: 10.1002/andp.202500057
Torsten Enßlin
{"title":"Quantifying Imperfect Cognition Via Achieved Information Gain","authors":"Torsten Enßlin","doi":"10.1002/andp.202500057","DOIUrl":"https://doi.org/10.1002/andp.202500057","url":null,"abstract":"<p>Cognition, information processing in form of inference, communication, and memorization, is the central activity of any intelligence. Its physical realization in a brain, computer, or in any other intelligent system requires resources like time, energy, memory, bandwidth, money, and others. Due to limited resources, many real world intelligent systems perform only imperfect cognition. To understand the trade-off between accuracy and resource investments in existing systems, e.g., in biology, as well as for the resource-aware optimal design of information processing systems, like computer algorithms and artificial neural networks, a quantification of information obtained in an imperfect cognitive operation is desirable. To this end, the concept of the achieved information gain (AIG) of a belief update is proposed, which is given by the amount of information obtained by updating from the initial state of knowledge to the ideal state, minus the amount that a change from the imperfect to the ideal state would yield. AIG has many desirable properties for quantifying imperfect cognition. The ratio of achieved to ideally obtainable information measures cognitive fidelity and that of AIG to the necessary cognitive effort measures cognitive efficiency. This work provides an axiomatic derivation of AIG, relates it to other information measures, illustrates its application to common scenarios of posterior inaccuracies, and discusses the implication of cognitive efficiency for sustainable resource allocation in computational inference.</p>","PeriodicalId":7896,"journal":{"name":"Annalen der Physik","volume":"537 7","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/andp.202500057","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144614974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Local Quantum Network Based on Background Electromagnetic Vacuum Fluctuations 基于背景电磁真空涨落的局部量子网络
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-06-06 DOI: 10.1002/andp.202500034
Yao Jin
{"title":"Local Quantum Network Based on Background Electromagnetic Vacuum Fluctuations","authors":"Yao Jin","doi":"10.1002/andp.202500034","DOIUrl":"https://doi.org/10.1002/andp.202500034","url":null,"abstract":"<p>Electromagnetic vacuum fluctuations, as an unavoidable environment, plays important role in quantum information tasks. Though it plays a passive role in quantum teleportation, as the fluctuations make the initial entanglement decrease with time, it can also generate the past-future correlation between the sending and receiving nodes. In the present work, by utilizing past-future correlation generated by the background vacuum-fluctuated electromagnetic field, the state factor is transferred between two polarizable, controlled and initially separable two-level atoms located at different positions and evolving with the fluctuating field at different times. Results show that to transmit state factor with sufficient precision, there may exist specific local regions within both the ranges of time difference and the spatial separation between the two atoms. The sizes of the time region and spatial region are shown to be in relation with the width of mode ranges as well as the coupled strength, and it can also be controlled by further restricting the directions of the field modes to a certain range.</p>","PeriodicalId":7896,"journal":{"name":"Annalen der Physik","volume":"537 7","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144615141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Excitation of Surface Plasmon-Polaritons in the Process of Raman Interaction 拉曼相互作用过程中表面等离子体激元的激发
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-06-05 DOI: 10.1002/andp.202500089
Vasily G. Arkhipkin, Denis A. Ikonnikov, Sergey A. Myslivets
{"title":"The Excitation of Surface Plasmon-Polaritons in the Process of Raman Interaction","authors":"Vasily G. Arkhipkin,&nbsp;Denis A. Ikonnikov,&nbsp;Sergey A. Myslivets","doi":"10.1002/andp.202500089","DOIUrl":"https://doi.org/10.1002/andp.202500089","url":null,"abstract":"<p>The enhancement of surface plasmon polariton (SPP) gain and propagation length at optical frequencies on the interface between a metal film and a medium with Raman gain, in the presence of a coherent control field, is theoretically investigated. It is shown that the Raman interaction between the SPP excitation field and the control field can provide gain sufficient for lossless SPP propagation. This interaction reduces the requirement for the SPP excitation field. It is shown that a significant increase of the propagation length can be achieved in the case of lossy propagation. By varying the intensity or frequency of the control field it is possible to control the SPP. Optical control of the dynamics of SPP propagation by means of an external coherent field in the Raman interaction process holds promise for quantum control in the field of photonics.</p>","PeriodicalId":7896,"journal":{"name":"Annalen der Physik","volume":"537 7","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144615417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Qubit Information Logic Theory for Understanding Multi-Qubit Entanglement and Designing Exotic Entangled States 理解多量子比特纠缠和设计奇异纠缠态的量子比特信息逻辑理论
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-05-14 DOI: 10.1002/andp.202500176
Zixuan Hu, Sabre Kais
{"title":"The Qubit Information Logic Theory for Understanding Multi-Qubit Entanglement and Designing Exotic Entangled States","authors":"Zixuan Hu,&nbsp;Sabre Kais","doi":"10.1002/andp.202500176","DOIUrl":"https://doi.org/10.1002/andp.202500176","url":null,"abstract":"<p>A “qubit information logic” (QIL) theory is developed that uses the “qubit information equation” (QIE) and logic to describe the correlation behaviors of multi-qubit entanglement. Introducing the “global information status” and “local information availability”, the QIL gives an alternative and natural interpretation of the “spooky action” and the quantum no-communication theorem. Compared to the conventional entropy-based entanglement theories, the QIL directly describes the correlation of each possible pair of qubits and how the correlation changes when other qubits are measured. This makes the QIL more advantageous in describing the correlation properties of multi-qubit entanglement, which is illustrated by studying the dormant entanglement phenomenon. The QIL theory's usefulness is further demonstrated by understanding and designing an exotic quantum state where two qubits can be entangled but not correlated in any arbitrary basis. Overall the QIL provides an alternative and intuitive understanding of multi-qubit entanglement that is, compared to the conventional theories, directly focused on the correlation behaviors between qubits and thus more suitable for designing exotic quantum states that may be used in quantum computing and information processing.</p>","PeriodicalId":7896,"journal":{"name":"Annalen der Physik","volume":"537 7","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144615163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Issue Information: Ann. Phys. 5/2025 发布信息：Ann。理论物理的5/2025
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-05-12 DOI: 10.1002/andp.202570011
{"title":"Issue Information: Ann. Phys. 5/2025","authors":"","doi":"10.1002/andp.202570011","DOIUrl":"https://doi.org/10.1002/andp.202570011","url":null,"abstract":"","PeriodicalId":7896,"journal":{"name":"Annalen der Physik","volume":"537 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/andp.202570011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143939158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
(Ann. Phys. 5/2025) (安。phy。5/2025)
IF 2.2 4区 物理与天体物理
Annalen der Physik Pub Date : 2025-05-12 DOI: 10.1002/andp.202570010
{"title":"(Ann. Phys. 5/2025)","authors":"","doi":"10.1002/andp.202570010","DOIUrl":"https://doi.org/10.1002/andp.202570010","url":null,"abstract":"<p><b>Grid Networks</b></p><p>This cover art visualizes a grid quantum network with vibrant threads of entanglement connecting glowing nodes, symbolizing the distribution of entangled states among multiple users. The design artistically represents the proposed protocol for entanglement routing in quantum grid networks. More details can be found in article number 2400316 by Vaisakh Mannalath and Anirban Pathak.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":7896,"journal":{"name":"Annalen der Physik","volume":"537 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/andp.202570010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143939157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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