Nuclear Physics B最新文献_第10页

Topology and phase transition for EPYM AdS black hole in thermal potential 热势能下 EPYM AdS 黑洞的拓扑和相变

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-29 DOI: 10.1016/j.nuclphysb.2024.116641

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Leading large N giant graviton correction to Schur correlators in large representations 在大表征中对舒尔相关子的领先大 N 巨引力子修正

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-29 DOI: 10.1016/j.nuclphysb.2024.116638

{"title":"Leading large N giant graviton correction to Schur correlators in large representations","authors":"","doi":"10.1016/j.nuclphysb.2024.116638","DOIUrl":"10.1016/j.nuclphysb.2024.116638","url":null,"abstract":"<div>We consider 4d <math><mi>N</mi><mo>=</mo><mn>4</mn></math> <math><mi>U</mi><mo>(</mo><mi>N</mi><mo>)</mo></math> SYM and the leading giant graviton correction at large N to the Schur defect 2-point functions of <math><mfrac><mrow><mn>1</mn></mrow><mrow><mn>2</mn></mrow></mfrac></math>-BPS Wilson lines in rank-k symmetric and antisymmetric representations. We study in particular the large k limit for the symmetric case and the regime <math><mn>1</mn><mo>≪</mo><mi>k</mi><mo>≪</mo><mi>N</mi></math> in the antisymmetric one. In both cases we present exact results for the correction. Wilson lines in symmetric/antisymmetric representations admit a description in terms of D3k and D5k brane probes representing a collection of k fundamental strings. In this picture, giant graviton corrections come from fluctuations of brane probes in the presence of a wrapped D3 brane giant graviton. In the antisymmetric case, our leading correction matches the half-index of the 4d <math><mi>N</mi><mo>=</mo><mn>4</mn></math> Maxwell theory living on the disk which is a part of the giant graviton divided out by the D5k probe, as recently proposed in arXiv:2404.08302<svg><path></path></svg>. For the symmetric case at large k, we derive an explicit exact residue formula for the leading large N correction.</div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0550321324002049/pdfft?md5=9e35a9f3b5e8b21a8c9a497f408e0648&pid=1-s2.0-S0550321324002049-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141885738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Moyal product and generalized Hom-Lie-Virasoro symmetries in Bloch electron systems 布洛赫电子系统中的莫亚积和广义霍姆-李-维拉索罗对称性

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-26 DOI: 10.1016/j.nuclphysb.2024.116639

{"title":"Moyal product and generalized Hom-Lie-Virasoro symmetries in Bloch electron systems","authors":"","doi":"10.1016/j.nuclphysb.2024.116639","DOIUrl":"10.1016/j.nuclphysb.2024.116639","url":null,"abstract":"<div>We explore two variations of the Curtright-Zachos (CZ) deformation of the Virasoro algebra. Firstly, we introduce a scaled CZ algebra that inherits the scaling structure found in the differential operator representation of the magnetic translation (MT) operators. We then linearly decompose the scaled CZ generators to derive two types of Hom-Lie deformations of the <math><msub><mrow><mi>W</mi></mrow><mrow><mo>∞</mo></mrow></msub></math> algebra. We discuss ⁎-bracket formulations of these algebras and their connection to the Moyal product. We show that the ⁎-bracket form of the scaled CZ algebra arises from the Moyal product, while we obtain the second type of deformed <math><msub><mrow><mi>W</mi></mrow><mrow><mo>∞</mo></mrow></msub></math> through a coordinate transformation of the first type of Moyal operators. From a physical point of view, we construct the Hamiltonian of a tight binding model (TBM) using the Wyle matrix representation of the scaled CZ algebra. We note that the integer powers of q are linked to the quantum fluctuations that are inherent in the Moyal product.</div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0550321324002050/pdfft?md5=9a38b9255b03882387f94818cb0ee3cc&pid=1-s2.0-S0550321324002050-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141887196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Q-boson model and relations with integrable hierarchies Q-玻色子模型及其与可积分层次结构的关系

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-26 DOI: 10.1016/j.nuclphysb.2024.116640

引用次数: 0

New physics pathways from B processes 来自 B 过程的新物理途径

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-25 DOI: 10.1016/j.nuclphysb.2024.116631

引用次数: 0

Exploring self-gravitating cylindrical structures in modified gravity: Insights from scalar-vector-tensor theory 探索修正引力中的自引力圆柱结构：标量-矢量-张量理论的启示

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-25 DOI: 10.1016/j.nuclphysb.2024.116637

{"title":"Exploring self-gravitating cylindrical structures in modified gravity: Insights from scalar-vector-tensor theory","authors":"","doi":"10.1016/j.nuclphysb.2024.116637","DOIUrl":"10.1016/j.nuclphysb.2024.116637","url":null,"abstract":"<div>We investigate static cylindrical solutions within an extended theory of modified gravity. By incorporating various coupling functions through a straightforward boost symmetry approach, we establish the equations of motion in a self-consistent manner and subsequently determine the linear scalar field profile. Utilizing analytical methods, we solve the system of equations for the metric functions and the <math><mi>U</mi><mo>(</mo><mn>1</mn><mo>)</mo></math> gauge field, revealing their dependence on Bessel's functions. To comprehend gravito-objects exhibiting cylindrical symmetry, we develop a perturbative framework aimed at identifying all nontrivial solutions for the scalar profiles. Introducing first-order truncated perturbation equations for the gauge field, synchronized with metric gauges and electromagnetic field considerations, we demonstrate their integrability and obtain solutions through quadrature. Our findings suggest the feasibility of obtaining self-gravitating cylindrical structures within the scalar-vector-tensor theory. These cylindrical structures could provide insights into the behavior of gravitational and gauge fields in modified gravity, potentially offering new perspectives on astrophysical phenomena such as cosmic strings and cylindrical gravitational waves.</div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0550321324002037/pdfft?md5=52f91f53c98b3d15a9d974b50b410360&pid=1-s2.0-S0550321324002037-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141885739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Migdal effect of phonon-mediated neutrino nucleus scattering in semiconductor detectors 半导体探测器中声子介导的中微子核散射的米格达尔效应

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-24 DOI: 10.1016/j.nuclphysb.2024.116632

引用次数: 0

Reference frame dependence of the periodically oscillating Coulomb field in the Proca theory 普罗卡理论中周期振荡库仑场的参照系相关性

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-22 DOI: 10.1016/j.nuclphysb.2024.116636

引用次数: 0

Modified Friedmann equations from Maxwell-Weyl gauge theory 来自麦克斯韦-韦尔规量理论的修正弗里德曼方程

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-18 DOI: 10.1016/j.nuclphysb.2024.116634

引用次数: 0

Functional renormalization group for “p = 2” like glassy matrices in the planar approximation II. Ward identities method in the deep IR 平面近似中 "p = 2 "类玻璃矩阵的函数重正化群 II.深红外中的沃德同位法

IF 2.5 3区物理与天体物理

Nuclear Physics B Pub Date : 2024-07-15 DOI: 10.1016/j.nuclphysb.2024.116627

{"title":"Functional renormalization group for “p = 2” like glassy matrices in the planar approximation II. Ward identities method in the deep IR","authors":"","doi":"10.1016/j.nuclphysb.2024.116627","DOIUrl":"10.1016/j.nuclphysb.2024.116627","url":null,"abstract":"<div>This paper, as a continuation of our previous investigation [Nucl. Phys. B 1005 (2024) 116582] aims to study the glassy random matrices with quenched Wigner disorder. In this previous work, we have constructed a renormalization group based on the effective deterministic kinetic spectrum emerging from large N limit, and we extended approximate solutions using standard vertex expansion, at the leading order of the derivative expansion. Now in the following work, by introducing the non-trivial Ward identities which come from the <math><msup><mrow><mo>(</mo><mi>U</mi><mo>(</mo><mi>N</mi><mo>)</mo><mo>)</mo></mrow><mrow><mo>×</mo><mn>2</mn></mrow></msup></math> symmetry broken of the effective kinetic action, we provide in the deep IR the explicit solution of the functional renormalization group for a model with quartic coupling by solving the Hierarchy to all orders in the local sector, which in particular imply the vanishing of the anomalous dimension. The numerical investigations confirm the first-order phase transition discovered in the vertex expansion framework, both in the active and passive schemes. Finally, we extend the discussion to hermitian matrices.</div>","PeriodicalId":54712,"journal":{"name":"Nuclear Physics B","volume":null,"pages":null},"PeriodicalIF":2.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0550321324001937/pdfft?md5=e270ef0f6344bdcd74755a0795c8e4fa&pid=1-s2.0-S0550321324001937-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141728987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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