{"title":"Second order bosonic string effective action from O(d, d)","authors":"Linus Wulff","doi":"10.1007/JHEP02(2025)194","DOIUrl":"10.1007/JHEP02(2025)194","url":null,"abstract":"<p>The corrections to the tree-level effective action for the bosonic string up to second order in <i>α</i><sup><i>′</i></sup> are fixed by requiring its dimensional reduction to 26 – <i>d</i> dimensions to be compatible with <i>O</i>(<i>d</i>, <i>d</i>) symmetry. The result is in agreement with the literature, but takes a simpler form than previously know expressions. We identify some structures in the Lagrangian which appear at least at the first three orders in <i>α</i><sup><i>′</i></sup>.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)194.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143513225","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}
{"title":"On 4D, ( mathcal{N} ) = 2 deformed vector multiplets and partial supersymmetry breaking in off-shell supergravity","authors":"Gregory Gold, Saurish Khandelwal, Gabriele Tartaglino-Mazzucchelli","doi":"10.1007/JHEP02(2025)196","DOIUrl":"10.1007/JHEP02(2025)196","url":null,"abstract":"<p>Electric and magnetic Fayet-Ilioupulous (FI) terms are used to engineer partial breaking of <span>( mathcal{N} )</span> = 2 global supersymmetry for systems of vector multiplets. The magnetic FI term induces a deformation of the off-shell field transformations associated with an imaginary constant shift of the triplet of auxiliary fields of the vector multiplet. In this paper, we elaborate on the deformation of off-shell vector multiplets in supergravity, both in components and superspace. In a superconformal framework, the deformations are associated with (composite) linear multiplets. We engineer an off-shell model that exhibits partial local supersymmetry breaking with a zero cosmological constant. This is based on the hyper-dilaton Weyl multiplet introduced in arXiv:2203.12203, coupled to the SU(1,1)/U(1) special-Kähler sigma model in a symplectic frame admitting a holomorphic prepotential, with one compensating and one physical vector multiplet, the latter magnetically deformed.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)196.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143521734","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}
{"title":"Leptogenesis from magnetic helicity of gauged U(1)B−L","authors":"Hajime Fukuda, Kohei Kamada, Thanaporn Sichanugrist","doi":"10.1007/JHEP02(2025)192","DOIUrl":"10.1007/JHEP02(2025)192","url":null,"abstract":"<p>If the <i>B</i> – <i>L</i> symmetry is gauged with the addition of right-handed neutrinos, the standard model <i>B</i> – <i>L</i> current is anomalous with respect to the <i>B</i> – <i>L</i> gauge field itself. Then, the anomaly relation implies that the magnetic helicity of the <i>B</i> – <i>L</i> gauge field is related to the standard model <i>B</i> – <i>L</i> charges, although the whole universe is <i>B</i> – <i>L</i> neutral with right-handed neutrinos. Based on this, we propose a new leptogenesis scenario with the gauged <i>B</i> – <i>L</i> symmetry as follows. First, the magnetic helicity of the <i>B</i> – <i>L</i> gauge field is generated, e.g., by the axion inflation, together with the standard model and right-handed neutrino <i>B</i> – <i>L</i> charges, with the net <i>B</i> – <i>L</i> charge kept zero. The <i>B</i> – <i>L</i> charges in the standard model and right-handed neutrino sectors are then subject to washout effects from the interactions between them. After the washout effects decouple, the <i>B</i> – <i>L</i> gauge symmetry is Higgsed and the magnetic helicity of the <i>B</i> – <i>L</i> gauge field decays and generates <i>B</i> – <i>L</i> charges in the both sector; thanks to the washout effects, we obtain a non-zero <i>B</i> – <i>L</i> asymmetry. We show that the baryon asymmetry of the universe can be generated in this scenario, discussing the decay of the magnetic helicity of the <i>B</i> – <i>L</i> gauge field and the interactions between the right-handed neutrinos and the standard model particles.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)192.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143521736","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}
{"title":"A sufficient condition for the development of superradiant instabilities in charged black-hole spacetimes","authors":"Shahar Hod","doi":"10.1007/JHEP02(2025)197","DOIUrl":"10.1007/JHEP02(2025)197","url":null,"abstract":"<p>The physical and mathematical properties of charged black holes that are linearly coupled to charged massive scalar fields are studied analytically. In particular, we prove that, in the eikonal large-mass regime <i>Mμ</i> ≫ 1, the compact dimensionless inequality Φ<sub>H</sub> > <i>Q</i>/<i>M</i> provides a sufficient condition for the development of superradiant instabilities in the curved black-hole spacetime [here {<i>M</i>, <i>Q</i>, Φ<sub>H</sub>} are respectively the mass, the electric charge, and the horizon electrostatic potential of the central black hole and <i>μ</i> is the proper mass of the field]. The familiar charged Reissner-Nordström black hole does not satisfy this inequality. On the other hand, we explicitly prove that all charged Ayón-Beato-García (ABG) black-hole spacetimes satisfy this analytically derived sufficient condition and may therefore become superradiantly unstable to perturbations of charged massive scalar fields.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)197.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143513114","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}
{"title":"Perturbative bootstrap of the Wilson-line defect CFT: multipoint correlators","authors":"Daniele Artico, Julien Barrat, Giulia Peveri","doi":"10.1007/JHEP02(2025)190","DOIUrl":"10.1007/JHEP02(2025)190","url":null,"abstract":"<p>We study the defect CFT associated with the half-BPS Wilson line in <span>( mathcal{N} )</span> = 4 Super Yang-Mills theory in four dimensions. Using a perturbative bootstrap approach, we derive new analytical results for multipoint correlators of protected defect operators at large <i>N</i> and weak coupling. At next-to-next-to-leading order, we demonstrate that the simplest five- and six-point functions are fully determined by non-perturbative constraints — which include superconformal symmetry, crossing symmetry, and the pinching of operators to lower-point functions — as well as by a single integral, known as the train track integral. Additionally, we present new analytical results for the four-point functions ⟨1122⟩ and ⟨1212⟩.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)190.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143521737","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}
The NA62 collaboration, E. Cortina Gil, J. Jerhot, N. Lurkin, T. Numao, B. Velghe, V. W. S. Wong, D. Bryman, Z. Hives, T. Husek, K. Kampf, M. Kolesar, M. Koval, B. De Martino, M. Perrin-Terrin, L. Petit, B. Döbrich, S. Lezki, J. Schubert, A. T. Akmete, R. Aliberti, M. Ceoletta, L. Di Lella, N. Doble, L. Peruzzo, C. Polivka, S. Schuchmann, H. Wahl, R. Wanke, P. Dalpiaz, R. Negrello, I. Neri, F. Petrucci, M. Soldani, L. Bandiera, N. Canale, A. Cotta Ramusino, A. Gianoli, M. Romagnoni, A. Sytov, M. Lenti, P. Lo Chiatto, I. Panichi, G. Ruggiero, A. Bizzeti, F. Bucci, A. Antonelli, V. Kozhuharov, G. Lanfranchi, S. Martellotti, M. Moulson, T. Spadaro, G. Tinti, F. Ambrosino, M. D’Errico, R. Fiorenza, M. Francesconi, R. Giordano, P. Massarotti, M. Mirra, M. Napolitano, I. Rosa, G. Saracino, G. Anzivino, P. Cenci, V. Duk, R. Lollini, P. Lubrano, M. Pepe, M. Piccini, F. Costantini, M. Giorgi, S. Giudici, G. Lamanna, E. Lari, E. Pedreschi, J. Pinzino, M. Sozzi, R. Fantechi, F. Spinella, I. Mannelli, M. Raggi, A. Biagioni, P. Cretaro, O. Frezza, A. Lonardo, M. Turisini, P. Vicini, R. Ammendola, V. Bonaiuto, A. Fucci, A. Salamon, F. Sargeni, R. Arcidiacono, B. Bloch-Devaux, E. Menichetti, E. Migliore, C. Biino, A. Filippi, F. Marchetto, D. Soldi, Y. Mukhamejanov, A. Mukhamejanova, N. Saduyev, S. Sakhiyev, A. Briano Olvera, J. Engelfried, N. Estrada-Tristan, R. Piandani, M. A. Reyes Santos, K. A. Rodriguez Rivera, P. Boboc, A. M. Bragadireanu, S. A. Ghinescu, O. E. Hutanu, T. Blazek, V. Cerny, T. Velas, R. Volpe, J. Bernhard, L. Bician, M. Boretto, F. Brizioli, A. Ceccucci, M. Corvino, H. Danielsson, F. Duval, L. Federici, E. Gamberini, R. Guida, E. B. Holzer, B. Jenninger, Z. Kucerova, G. Lehmann Miotto, P. Lichard, K. Massri, E. Minucci, M. Noy, V. Ryjov, J. Swallow, M. Zamkovsky, X. Chang, A. Kleimenova, R. Marchevski, J. R. Fry, F. Gonnella, E. Goudzovski, J. Henshaw, C. Kenworthy, C. Lazzeroni, C. Parkinson, A. Romano, C. Sam, J. Sanders, A. Sergi, A. Shaikhiev, A. Tomczak, H. Heath, D. Britton, A. Norton, D. Protopopescu, J. B. Dainton, L. Gatignon, R. W. L. Jones, P. Cooper, D. Coward, P. Rubin, A. Baeva, D. Baigarashev, V. Bautin, D. Emelyanov, T. Enik, V. Falaleev, V. Kekelidze, D. Kereibay, A. Korotkova, L. Litov, D. Madigozhin, M. Misheva, N. Molokanova, I. Polenkevich, Yu. Potrebenikov, K. Salamatin, S. Shkarovskiy, S. Fedotov, K. Gorshanov, E. Gushchin, S. Kholodenko, A. Khotyantsev, Y. Kudenko, V. Kurochka, V. Kurshetsov, A. Mefodev, V. Obraztsov, A. Okhotnikov, A. Sadovskiy, V. Sugonyaev, O. Yushchenko
{"title":"Observation of the ( {K}^{+}to {pi}^{+}nu overline{nu} ) decay and measurement of its branching ratio","authors":"The NA62 collaboration, E. Cortina Gil, J. Jerhot, N. Lurkin, T. Numao, B. Velghe, V. W. S. Wong, D. Bryman, Z. Hives, T. Husek, K. Kampf, M. Kolesar, M. Koval, B. De Martino, M. Perrin-Terrin, L. Petit, B. Döbrich, S. Lezki, J. Schubert, A. T. Akmete, R. Aliberti, M. Ceoletta, L. Di Lella, N. Doble, L. Peruzzo, C. Polivka, S. Schuchmann, H. Wahl, R. Wanke, P. Dalpiaz, R. Negrello, I. Neri, F. Petrucci, M. Soldani, L. Bandiera, N. Canale, A. Cotta Ramusino, A. Gianoli, M. Romagnoni, A. Sytov, M. Lenti, P. Lo Chiatto, I. Panichi, G. Ruggiero, A. Bizzeti, F. Bucci, A. Antonelli, V. Kozhuharov, G. Lanfranchi, S. Martellotti, M. Moulson, T. Spadaro, G. Tinti, F. Ambrosino, M. D’Errico, R. Fiorenza, M. Francesconi, R. Giordano, P. Massarotti, M. Mirra, M. Napolitano, I. Rosa, G. Saracino, G. Anzivino, P. Cenci, V. Duk, R. Lollini, P. Lubrano, M. Pepe, M. Piccini, F. Costantini, M. Giorgi, S. Giudici, G. Lamanna, E. Lari, E. Pedreschi, J. Pinzino, M. Sozzi, R. Fantechi, F. Spinella, I. Mannelli, M. Raggi, A. Biagioni, P. Cretaro, O. Frezza, A. Lonardo, M. Turisini, P. Vicini, R. Ammendola, V. Bonaiuto, A. Fucci, A. Salamon, F. Sargeni, R. Arcidiacono, B. Bloch-Devaux, E. Menichetti, E. Migliore, C. Biino, A. Filippi, F. Marchetto, D. Soldi, Y. Mukhamejanov, A. Mukhamejanova, N. Saduyev, S. Sakhiyev, A. Briano Olvera, J. Engelfried, N. Estrada-Tristan, R. Piandani, M. A. Reyes Santos, K. A. Rodriguez Rivera, P. Boboc, A. M. Bragadireanu, S. A. Ghinescu, O. E. Hutanu, T. Blazek, V. Cerny, T. Velas, R. Volpe, J. Bernhard, L. Bician, M. Boretto, F. Brizioli, A. Ceccucci, M. Corvino, H. Danielsson, F. Duval, L. Federici, E. Gamberini, R. Guida, E. B. Holzer, B. Jenninger, Z. Kucerova, G. Lehmann Miotto, P. Lichard, K. Massri, E. Minucci, M. Noy, V. Ryjov, J. Swallow, M. Zamkovsky, X. Chang, A. Kleimenova, R. Marchevski, J. R. Fry, F. Gonnella, E. Goudzovski, J. Henshaw, C. Kenworthy, C. Lazzeroni, C. Parkinson, A. Romano, C. Sam, J. Sanders, A. Sergi, A. Shaikhiev, A. Tomczak, H. Heath, D. Britton, A. Norton, D. Protopopescu, J. B. Dainton, L. Gatignon, R. W. L. Jones, P. Cooper, D. Coward, P. Rubin, A. Baeva, D. Baigarashev, V. Bautin, D. Emelyanov, T. Enik, V. Falaleev, V. Kekelidze, D. Kereibay, A. Korotkova, L. Litov, D. Madigozhin, M. Misheva, N. Molokanova, I. Polenkevich, Yu. Potrebenikov, K. Salamatin, S. Shkarovskiy, S. Fedotov, K. Gorshanov, E. Gushchin, S. Kholodenko, A. Khotyantsev, Y. Kudenko, V. Kurochka, V. Kurshetsov, A. Mefodev, V. Obraztsov, A. Okhotnikov, A. Sadovskiy, V. Sugonyaev, O. Yushchenko","doi":"10.1007/JHEP02(2025)191","DOIUrl":"10.1007/JHEP02(2025)191","url":null,"abstract":"<p>A measurement of the <span>( {K}^{+}to {pi}^{+}nu overline{nu} )</span> decay by the NA62 experiment at the CERN SPS is presented, using data collected in 2021 and 2022. This dataset was recorded, after modifications to the beamline and detectors, at a higher instantaneous beam intensity with respect to the 2016–2018 data taking. Combining NA62 data collected in 2016–2022, a measurement of <span>( mathcal{B}left({K}^{+}to {pi}^{+}nu overline{nu}right)=left({13.0}_{-3.0}^{+3.3}right)times {10}^{-11} )</span> is reported. With 51 signal candidates observed and an expected background of <span>( {18}_{-2}^{+3} )</span> events, <span>( mathcal{B}left({K}^{+}to {pi}^{+}nu overline{nu}right) )</span> becomes the smallest branching ratio measured with a signal significance above 5<i>σ</i>.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)191.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143513305","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}
Martin Beneke, Tobias Binder, Lorenzo De Ros, Mathias Garny, Stefan Lederer
{"title":"Perturbative unitarity violation in radiative capture transitions to dark matter bound states","authors":"Martin Beneke, Tobias Binder, Lorenzo De Ros, Mathias Garny, Stefan Lederer","doi":"10.1007/JHEP02(2025)189","DOIUrl":"10.1007/JHEP02(2025)189","url":null,"abstract":"<p>We investigate the formation of bound states of non-relativistic dark matter particles subject to long-range interactions through radiative capture. The initial scattering and final bound states are described by Coulomb potentials with different strengths, as relevant for non-abelian gauge interactions or theories featuring charged scalars. For bound states with generic quantum numbers <i>n</i> and <i>ℓ</i>, we provide closed-form expressions for the bound-state formation (BSF) cross sections of monopole, dipole and quadrupole transitions, and of arbitrary multipole order when <i>ℓ</i> = <i>n</i> – 1. This allows us to investigate in detail a strong enhancement of BSF that occurs for initial states in a repulsive potential. For <i>ℓ</i> = <i>n</i> – 1 ≫ 1, we show that the BSF cross section for each single bound state violates the perturbative unitarity bound in the vicinity of a certain critical initial velocity, and provide an interpretation in terms of a smooth matching of classical trajectories. When summing the BSF cross section over all possible bound states in the final state, this leads to a unitarity violation below a certain velocity, but within the validity range of the weakly coupled non-relativistic description. We identify an effectively strong interaction as the origin of this unitarity violation, which is caused by an “anomalously” large overlap of scattering and bound-state wave functions in Coulomb potentials of different strength.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)189.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143513306","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}
{"title":"Four-twist effects and monodromy in symmetric orbifold CFTs","authors":"Bin Guo, Shaun D. Hampton","doi":"10.1007/JHEP02(2025)180","DOIUrl":"10.1007/JHEP02(2025)180","url":null,"abstract":"<p>Symmetric orbifold CFTs contain twist operators that can join and split copies of the CFT, leading to the creation of pairs from the vacuum. In this paper, we study the pair creation processes involving four twist-2 operators. In addition to the pair creation previously observed purely in the left or right moving sectors, we find a novel mixing between left and right movers during pair creation. This phenomenon arises from nontrivial monodromy conditions that originate from a genus-one covering surface, where left and right movers become coupled through the torus.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)180.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143496814","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}
{"title":"’t Hooft loops in N=4 super-Yang-Mills","authors":"Charlotte Kristjansen, Konstantin Zarembo","doi":"10.1007/JHEP02(2025)179","DOIUrl":"10.1007/JHEP02(2025)179","url":null,"abstract":"<p>We set up a perturbative framework for the ’t Hooft line in the <span>( mathcal{N} )</span> = 4 super-Yang-Mills theory, and apply it to correlators thereof with Wilson loops and local operators. Using this formalism we obtain a number of perturbative and non-perturbative results that directly connect to localization, holography and integrability.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)179.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143513198","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}
{"title":"Dynamical edge modes in p-form gauge theories","authors":"Adam Ball, Y. T. Albert Law","doi":"10.1007/JHEP02(2025)182","DOIUrl":"10.1007/JHEP02(2025)182","url":null,"abstract":"<p>We extend our recently identified dynamical edge mode boundary condition to <i>p</i>-form gauge theories, revealing their edge modes as Goldstone bosons arising from gauge transformations with support on the boundary. The symplectic conjugates of these edge modes correspond to the electric-field-like components normal to the boundary. We demonstrate that both the symplectic form and the Hamiltonian naturally decompose into bulk and edge parts. When the boundary is a stretched horizon, we show that the thermal edge partition function reduces to that of a codimension-two ghost (<i>p</i> – 1)-form residing on the bifurcation surface. These findings provide a dynamical framework that elucidates observations made by several authors. Additionally, we generalize Donnelly and Wall’s non-dynamical approach to obtain edge partition functions for both massive and massless <i>p</i>-forms. In the context of a de Sitter static patch, these results are consistent with the edge partition functions found by several authors in arbitrary dimensions.</p>","PeriodicalId":635,"journal":{"name":"Journal of High Energy Physics","volume":"2025 2","pages":""},"PeriodicalIF":5.4,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/JHEP02(2025)182.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143513197","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}