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Acta Physica Polonica B最新文献

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Conformal Flatness and Conformal Vector Fields on Umbilically Synchronized Space-times 脐同步时空上的共形平坦度与共形矢量场
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.2-a3
R. Sharma
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引用次数: 0
Darboux Transformation of the Coupled Massive Thirring Models and Exact Solutions 耦合大质量三角模型的达布变换及精确解
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.3-a1
J. Shen, X. Geng
{"title":"Darboux Transformation of the Coupled Massive Thirring Models and Exact Solutions","authors":"J. Shen, X. Geng","doi":"10.5506/aphyspolb.54.3-a1","DOIUrl":"https://doi.org/10.5506/aphyspolb.54.3-a1","url":null,"abstract":"","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70741467","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
Beta-decay Half-life Uncertainty of the Extremely Neutron-rich Nuclei Due to Nuclear-mass Deviation 由核质量偏差引起的极富中子核的β衰变半衰期不确定性
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.8-a3
N. Ly, N. Duy, N. K. Uyen, L. Khiem
{"title":"Beta-decay Half-life Uncertainty of the Extremely Neutron-rich Nuclei Due to Nuclear-mass Deviation","authors":"N. Ly, N. Duy, N. K. Uyen, L. Khiem","doi":"10.5506/aphyspolb.54.8-a3","DOIUrl":"https://doi.org/10.5506/aphyspolb.54.8-a3","url":null,"abstract":"","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"77 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70741180","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
Bound-free Pair Production Mechanism in Pb–(p) Collisions at the LHC Pb - (p)在大型强子对撞机中的无束缚对产生机制
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.4-a4
M. Yilmaz Şengül
{"title":"Bound-free Pair Production Mechanism in Pb–(p) Collisions at the LHC","authors":"M. Yilmaz Şengül","doi":"10.5506/aphyspolb.54.4-a4","DOIUrl":"https://doi.org/10.5506/aphyspolb.54.4-a4","url":null,"abstract":"","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70741095","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 Rigorous Test of the Generalized Brink–Axel Hypothesis in the (A=138) Nuclear Mass Region 广义Brink-Axel假说在(A=138)核质量区的严格检验
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.8-a1
B. V. Kheswa
{"title":"The Rigorous Test of the Generalized Brink–Axel Hypothesis in the (A=138) Nuclear Mass Region","authors":"B. V. Kheswa","doi":"10.5506/aphyspolb.54.8-a1","DOIUrl":"https://doi.org/10.5506/aphyspolb.54.8-a1","url":null,"abstract":"The generalized Brink–Axel (gBA) hypothesis suggests that the γ -ray strength function ( γ SF) of a nucleus only depends on the γ -ray energy, and not on the properties of the initial and final excitation energy levels between which the nucleus decays. This hypothesis has been tested in various studies and it is still controversial. In this study, the gBA hypothesis was tested in the A = 138 nuclear mass region by rigorously investigating the dependence of the γ SF of 138 La on both initial and final excitation energies. The results showed that the shape and absolute value of the γ SF are independent of the initial and final excitation energy. Therefore, the results of this work are in support of the generalized Brink–Axel hypothesis.","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70741115","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
Analysis of (^{6})Li((^{3})He,(d)^{7})Be Transfer Reaction for Different Approaches 不同途径下(^{6}) Li((^{3}) He, (d)^{7}) Be转移反应的分析
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.5-a1
M. Aygun, Z. Aygun, N. Karaali
{"title":"Analysis of (^{6})Li((^{3})He,(d)^{7})Be Transfer Reaction for Different Approaches","authors":"M. Aygun, Z. Aygun, N. Karaali","doi":"10.5506/aphyspolb.54.5-a1","DOIUrl":"https://doi.org/10.5506/aphyspolb.54.5-a1","url":null,"abstract":"","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70741104","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
Nuclear Structure of Proton-rich (^{20-23})Mg Isotopes 富质子的核结构(^{20-23}) Mg同位素
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.1-a3
M. Hadi, A. A. Al-Sa’ad
{"title":"Nuclear Structure of Proton-rich (^{20-23})Mg Isotopes","authors":"M. Hadi, A. A. Al-Sa’ad","doi":"10.5506/aphyspolb.54.1-a3","DOIUrl":"https://doi.org/10.5506/aphyspolb.54.1-a3","url":null,"abstract":"","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70741267","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
On the Dynamics of Delayed and Non-delayed Fractional-order and Distributed-order Consumer Models 延迟与非延迟分数阶与分布阶消费者模型的动力学研究
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2023-01-01 DOI: 10.5506/aphyspolb.54.7-a2
M.A. Abd Rabo, G. Mahmoud, S. Aly, T. Abed-Elhameed
{"title":"On the Dynamics of Delayed and Non-delayed Fractional-order and Distributed-order Consumer Models","authors":"M.A. Abd Rabo, G. Mahmoud, S. Aly, T. Abed-Elhameed","doi":"10.5506/aphyspolb.54.7-a2","DOIUrl":"https://doi.org/10.5506/aphyspolb.54.7-a2","url":null,"abstract":"","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"125 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70741109","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
Defect Wormhole: A Traversable Wormhole Without Exotic Matter 缺陷虫洞：一个没有外来物质的可穿越虫洞
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2022-12-30 DOI: 10.5506/APhysPolB.54.5-A3
F. Klinkhamer
{"title":"Defect Wormhole: A Traversable Wormhole Without Exotic Matter","authors":"F. Klinkhamer","doi":"10.5506/APhysPolB.54.5-A3","DOIUrl":"https://doi.org/10.5506/APhysPolB.54.5-A3","url":null,"abstract":"We present a traversable-wormhole solution of the gravitational field equation of General Relativity without need of exotic matter (exotic matter can, for example, have negative energy density and vanishing isotropic pressure). Instead of exotic matter, the solution relies on a 3-dimensional\"spacetime defect\"characterized by a locally vanishing metric determinant.","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":" ","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-12-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42814148","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: 10
Should Unstable Quantum Field Theories be Lorentz-invariant? 不稳定量子场论应该是洛伦兹不变量吗？
IF 0.5 4区 物理与天体物理
Acta Physica Polonica B Pub Date : 2022-12-19 DOI: 10.5506/APhysPolB.53.11-A4
L. Gavassino
{"title":"Should Unstable Quantum Field Theories be Lorentz-invariant?","authors":"L. Gavassino","doi":"10.5506/APhysPolB.53.11-A4","DOIUrl":"https://doi.org/10.5506/APhysPolB.53.11-A4","url":null,"abstract":"An unstable field theory is what we obtain when we linearise the equations of an interacting field theory near an unstable state. Theories of this kind are adopted to model the onset of spontaneous symmetry breakings, when the fields are sitting on the top of the Mexican hat, and they start to “roll down” to the bottom. At present, there exists no rigorous proof that unstable quantum field theories are Lorentz-invariant (in the sense of Wigner’s theorem). Here, we show that they shouldn’t be. In fact, unstable theories always have a limited regime of applicability, and they are valid only for a very short time. As consequence, there is a preferred simultaneity hyperplane, along which the unstable theory is everywhere applicable, while a generic observer (whose four-velocity is not orthogonal to such hyperplane) must use the full non-linear theory. In summary: the current quantization schemes are “ok”, independently from whether they lead to a Lorentz-invariant theory.","PeriodicalId":7060,"journal":{"name":"Acta Physica Polonica B","volume":"24 2","pages":""},"PeriodicalIF":0.5,"publicationDate":"2022-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41248583","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
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