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Gravitational dressing: from the crossed product to more general algebraic and mathematical structure 引力修饰：从交叉积到更一般的代数和数学结构
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)056
Steven B. Giddings
{"title":"Gravitational dressing: from the crossed product to more general algebraic and mathematical structure","authors":"Steven B. Giddings","doi":"10.1007/JHEP11(2026)056","DOIUrl":"10.1007/JHEP11(2026)056","url":null,"abstract":"<p>The crossed product, and consequent transition from von Neumann algebras of type III to II, is recovered from a truncation of more general gravitational dressing constructions, about certain spacetimes. This is done by extending “standard dressing” constructions previously used to give a perturbative definition of “gravitational splittings”, defining approximate localization of information. This result appears to illustrate that this algebraic transition is a small piece of a more general algebraic, or other mathematical, structure associated with quantum gravity. The leading-order structure involves noncommutativity from separated regions, and at the nonperturbative level connects with a possible explanation of holographic behavior for gravity.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)056.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Gravitational instantons from closed superstring field theory 闭合超弦场论中的引力瞬子
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)058
Ivo Sachs, Xianghang Zhang
{"title":"Gravitational instantons from closed superstring field theory","authors":"Ivo Sachs,&nbsp;Xianghang Zhang","doi":"10.1007/JHEP11(2026)058","DOIUrl":"10.1007/JHEP11(2026)058","url":null,"abstract":"<p>We test exact marginality of the deformation describing the resolution of a <i>ℤ</i><sub>2</sub> orbifold by analyzing the closed superstring equations of motion to third order in the size, including <i>α</i><sup>′</sup> corrections. We find that the third order correction is unobstructed for all deformation moduli. We are also able to reproduce the Eguchi-Hanson gravitational instanton up to the second order in the field theory limit with a suitable choice of moduli.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)058.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338605","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Retarded correlators of charge transport in a magnetic field 磁场中电荷输运的延迟相关器
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)074
Xuan Zhao, Qiuze Sun, Yi Wang, Jin Hu
{"title":"Retarded correlators of charge transport in a magnetic field","authors":"Xuan Zhao,&nbsp;Qiuze Sun,&nbsp;Yi Wang,&nbsp;Jin Hu","doi":"10.1007/JHEP11(2026)074","DOIUrl":"10.1007/JHEP11(2026)074","url":null,"abstract":"<p>We study charge transport in a magnetized relativistic plasma using kinetic theory within the relaxation-time approximation. By exactly solving the linearized Boltzmann equation in a uniform magnetic field, we obtain an analytic solution for the distribution function in terms of Bessel functions. Using this solution, we compute the full set of retarded current-current correlators and verify the Ward identities. In the hydrodynamic limit, we extract the charge diffusion modes, demonstrating that the transverse diffusion coefficient is strongly suppressed by the magnetic field, scaling as <span>( 1/{B}_0^2 )</span> in the strong-field regime, while the longitudinal diffusion remains unaffected. Furthermore, we analyze the non-hydrodynamic branch cuts in the complex frequency plane, determining their kinematic thresholds and identifying the underlying wave-particle interactions as longitudinal Landau damping and transverse cyclotron damping.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)074.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
An algebra of proper observables at null infinity: Dirac brackets, memory and Goldstone probes 零无穷处固有可观测的代数：狄拉克括号、存储器和戈德斯通探针
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)066
Rodrigo Andrade e Silva, Simone Speziale
{"title":"An algebra of proper observables at null infinity: Dirac brackets, memory and Goldstone probes","authors":"Rodrigo Andrade e Silva,&nbsp;Simone Speziale","doi":"10.1007/JHEP11(2026)066","DOIUrl":"10.1007/JHEP11(2026)066","url":null,"abstract":"<p>We develop a rigorous evaluation of Dirac brackets for classical observables on the phase space of radiative gravitational modes at null infinity that naturally incorporates memory effects. Considering the Ashtekar-Streubel phase space, with boundary conditions in time given by vanishing <i>news</i> and purely electric <i>shear</i>, and taking into account the infinite dimensionality of the phase space, we identify the algebra of proper observables (understood as functions on phase space that can be associated with smooth symplectic flows). We show that the action of supertranslation charges generates the correct transformations on the shear. We also show that the conventional definition of the “Goldstone mode” adopted in the literature cannot be associated with a proper observable, but nevertheless there exists an infinite family of proper observables, which we call <i>Goldstone probes</i>, that are capable of measuring the Goldstone mode. We notice that there are no Goldstone probes constructed only out of the shear <i>or</i> the news, providing a possible explanation for why attempts to construct a (separable) Hilbert space with different memory states have failed so far. Finally, we derive formulas for distributional Dirac brackets between local shear and news, and show that they contain non-local corrections.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)066.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Effective field theory for superconducting phase transitions 超导相变的有效场论
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)059
Yanyan Bu, Zexin Yang
{"title":"Effective field theory for superconducting phase transitions","authors":"Yanyan Bu,&nbsp;Zexin Yang","doi":"10.1007/JHEP11(2026)059","DOIUrl":"10.1007/JHEP11(2026)059","url":null,"abstract":"<p>Employing the Schwinger-Keldysh formalism, we formulate an effective field theory for s-wave superconducting phase transition, where the dynamical variables consist of electromagnetic gauge field and complex scalar order parameter. Symmetry-constrained effective action allows systematic handling of dissipations and fluctuations. In particular, we explore the physical implications of higher-order terms, including those involving additional dynamical fields as well as higher time derivatives, on the real-time dynamics near the superconducting critical point. When appropriately truncated, the effective field theory reproduces the phenomenological Ginzburg-Landau equations. Upon crossing the critical temperature into the low-temperature phase, the electromagnetic gauge symmetry undergoes spontaneous breaking induced by the condensate of the order parameter. Collective excitation analysis reveals that the Higgs mode behaves as an overdamped diffusive mode near the critical point, while the phase fluctuation is absorbed into the gauge field via the Higgs mechanism. For complex kinetic coefficients, we derive the coupled linearized equations for amplitude, phase, and longitudinal gauge fluctuations, and distinguish propagation from damping through their complex poles. The holographic Schwinger-Keldysh construction provides an explicit realization and a nontrivial consistency check of the effective action, and determines its Wilsonian coefficients within a specific strongly coupled model. Holographic results reveal a complex relaxation parameter that indicates oscillatory dynamics characteristic of strongly coupled systems.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)059.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338440","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Bootstrapping gravity with crossing symmetric dispersion relations 带交叉对称色散关系的自举重力
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)065
Celina Pasiecznik
{"title":"Bootstrapping gravity with crossing symmetric dispersion relations","authors":"Celina Pasiecznik","doi":"10.1007/JHEP11(2026)065","DOIUrl":"10.1007/JHEP11(2026)065","url":null,"abstract":"<p>We derive bounds on Wilson coefficients in gravitational effective field theories using fully crossing symmetric dispersion relations. These sum rules naturally isolate finite subsets of low-energy couplings without relying on the forward limit or specific high-energy completions. We validate our method by matching bounds computed previously for scalar scattering with gravity as well as for graviton scattering. For graviton scattering we construct crossing symmetric combinations of the maximal helicity violating amplitude. We also derive new bounds on the coupling of gravitons to a massive spin-4 state at tree level. These results demonstrate the power of crossing symmetric sum rules as a tool in the S-matrix bootstrap.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)065.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Critical dynamics of a scalar field near four spatial dimensions 近四维空间标量场的临界动力学
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)068
Laura Batini, Eduardo Grossi
{"title":"Critical dynamics of a scalar field near four spatial dimensions","authors":"Laura Batini,&nbsp;Eduardo Grossi","doi":"10.1007/JHEP11(2026)068","DOIUrl":"10.1007/JHEP11(2026)068","url":null,"abstract":"<p>The critical dynamics of a non-conserved order parameter is generally expected to become overdamped at long distances, even when propagating modes occur at microscopic or intermediate scales. We investigate the critical dynamics of a scalar field theory in thermal equilibrium which, in addition to local friction and noise, also contains a time-dependent second-order kinetic term. We show how to build a supersymmetric field-theory formulation. Using a two-loop expansion about four spatial dimensions, we show that the propagating and strictly overdamped limits share the same static Gaussian and Wilson-Fisher fixed points but realize distinct dynamical scaling regimes. The overdamped limit reproduces Model A. On the surface where local friction and noise vanish, the theory instead supports an interacting propagating fixed point whose dynamic exponent receives corrections at two loops. We demonstrate that coarse-graining does not generate a local dissipative operator on this surface, which therefore remains invariant under the RG flow. Local dissipation is nevertheless relevant at the propagating fixed point: an arbitrarily small equilibrium friction-noise perturbation drives the flow away from propagating scaling. Propagating critical dynamics thus defines a consistent but fine-tuned regime that is unstable to local equilibrium dissipation.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)068.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
The entanglement wedge polygon 纠缠楔形多边形
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)071
Kosei Fujiki, Jonathan Harper, Tadashi Takayanagi, Nicolò Zenoni
{"title":"The entanglement wedge polygon","authors":"Kosei Fujiki,&nbsp;Jonathan Harper,&nbsp;Tadashi Takayanagi,&nbsp;Nicolò Zenoni","doi":"10.1007/JHEP11(2026)071","DOIUrl":"10.1007/JHEP11(2026)071","url":null,"abstract":"<p>In this work we consider a particular codimension-one region of a holographic spacetime which we call the entanglement wedge polygon (EWP). For a pure state and a partition of the boundary into a number of regions <i>A</i><sub><i>i</i></sub> the EWP is defined as the region with maximal volume external to all the individual homology regions <span>( {r}_{A_i} )</span> which consist of the intersection of the entanglement wedge EW(<i>A</i><sub><i>i</i></sub>) with the time slice. In three dimensions, when the EWP has constant curvature as in vacuum AdS<sub>3</sub> and BTZ spacetime, its volume is topological as a direct consequence of the Gauss-Bonnet theorem. The topological nature is lost in the time-dependent covariant case and in the presence of an end-of-the-world brane. In higher dimensions we make progress by considering a number of concrete examples including vacuum, black brane, and soliton solutions of AdS<sub><i>d</i>+1</sub> as well as spacetime geometries with end-of-the-world branes dual to boundary conformal field theories. We provide a suitable generalization to mixed states and comment on possible connections between the EWP and measures of multi-partite entanglement.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)071.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Gravitational form factors of the proton in the improved holographic QCD model 改进全息QCD模型中质子的引力形状因子
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-06 DOI: 10.1007/JHEP11(2026)061
Antti Hippeläinen, Niko Jokela, Matti Järvinen
{"title":"Gravitational form factors of the proton in the improved holographic QCD model","authors":"Antti Hippeläinen,&nbsp;Niko Jokela,&nbsp;Matti Järvinen","doi":"10.1007/JHEP11(2026)061","DOIUrl":"10.1007/JHEP11(2026)061","url":null,"abstract":"<p>We compute the gluonic contribution to the gravitational form factors of the proton using the improved holographic QCD model, in which the proton is described in terms of bulk Dirac fermions. Model parameters are constrained using lattice and phenomenological input, allowing us to obtain estimates for the gravitational form factors and to compare them with results from other approaches. Using the extracted form factors, we analyze mechanical properties of the proton, including pressure and shear distributions. We obtain estimates for the mechanical and mass radii of the proton, <i>ρ</i><sub>mech</sub> ≈ 0<i>.</i>63 fm, <i>ρ</i><sub>mass</sub> ≈ 0<i>.</i>65 fm, and compare these values with radius estimates from other nonperturbative studies.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)061.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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
Anomalous transport from effective field theory 有效场理论的异常输运
IF 5.5 1区 物理与天体物理
Journal of High Energy Physics Pub Date : 2026-11-05 DOI: 10.1007/JHEP11(2026)047
Rémy Larue, Amaury Marchon, Jérémie Quevillon, Diego Saviot
{"title":"Anomalous transport from effective field theory","authors":"Rémy Larue,&nbsp;Amaury Marchon,&nbsp;Jérémie Quevillon,&nbsp;Diego Saviot","doi":"10.1007/JHEP11(2026)047","DOIUrl":"10.1007/JHEP11(2026)047","url":null,"abstract":"<p>A systematic study of chiral effects is presented using an Effective Field Theory framework. By integrating out a massive Dirac fermion at finite temperature in presence of vector and axial background fields, the currents and their anomalies are computed from the path-integral. Chiral effects previously considered separately naturally arise in a unified computation, including new mass corrections. The link between each anomalous transport effect and the anomalies is clearly established, beyond the identification of their coefficients. In particular, we can appreciate how these effects are sourced by the anomalous nature of the theory even in configurations where the anomaly itself vanishes. The consistent and covariant anomalies are both encapsulated in master formulae for the currents which result from a careful treatment of the regularisation. It is finally found that, at finite temperature, the physical currents cannot be inferred simply from the Chern-Simons terms whose divergence reproduce the chiral anomalies.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2026 11","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP11(2026)047.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149338307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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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