Mapping Tachyon effective field theory to a subsector of Klein-Gordon theoryOn an unstable D-brane, the rolling of the tachyon away from the maximum of its potential is described by time-dependent solutions in string theory. Subsequent analysis leads to an understanding of…P. V. Athira, Ashik H, Priyadarshi Paul·Apr 20, 2026SaveLearn
The perturbative Ricci flow in gravityWe develop a perturbative formulation of the Ricci flow in gravity. Following steps analogous to the gradient flow in QCD, we supplement the usual Feynman rules for perturbative gravity by flowed…Robert V. Harlander, Yannick Kluth, Jonas T. Kohnen et al.·Apr 20, 2026SaveLearn
All-order fluctuating hydrodynamics of the SYK latticeThe SYK model has played an important role in recent developments in many-body quantum chaos. We study a spatially local generalisation of it: the SYK lattice. Starting from the nonlinear action of…Marta Bucca, Akash Jain, Márk Mezei et al.·Apr 20, 2026SaveLearn
Tree Amplitudes with Charged Matter in Pure Gauge TheoryWe describe the implementation and usage of `fermionicamplitudes.m', a Mathematica package for the computation of tree amplitudes involving arbitrary numbers of gauge bosons and…Jacob L. Bourjaily, Michael Plesser, Philip Velie·Apr 20, 2026SaveLearn
Bosonization, vertex operators and maximal violation of the Bell-CHSH inequality in wedge regionsIt is pointed out that the vertex operators of a chiral boson in 1+1 dimensions provide an explicit realization of dichotomic, bounded, Hermitian operators that saturate the Tsirelson bound of the…J. G. A. Caribé, M. S. Guimaraes, I. Roditi et al.·Apr 20, 2026SaveLearn
BranesIn this review branes of string theory are described from three different perspectives: as endpoints of open string, as supergravity backgrounds with BPS properties, as dynamical objects with gauge…Edvard T. Musaev·Apr 20, 2026SaveLearn
Classical and quantum evolution of inflationary fluctuationsWe compare the correlation functions of inflationary perturbations computed either with quantum or classical dynamics. Even if they are enforced to agree at a specific time during inflation,…Guillermo Ballesteros, Jesús Gambín Egea, Alejandro Pérez Rodríguez·Apr 20, 2026SaveLearn
Large-N Dynamics of a QCD-Inspired Unitary Matrix ModelWe study the large-N limit of U(N) and SU(N) unitary matrix models inspired by QCD. The model is analyzed in two cases: μ= 0, where the potential is real, and finite μ, where it becomes…Anuj Malik·Apr 20, 2026SaveLearn
Holography and Optimal Transport: Emergent Wasserstein Spacetime in Harmonic Oscillator, SYK and Krylov ComplexityOptimal transport and Wasserstein distance are prominent tools to quantify the space of probability distributions. From a novel viewpoint of manifold hypothesis in machine learning being a possible…Koji Hashimoto, Norihiro Tanahashi·Apr 19, 2026SaveLearn
A Note on Coadjoint Orbits for Multifermion SystemsThe coadjoint orbit action for a multifermion system, as an exact description of its dynamics, is considered. A parametrization of the variables involved is given which facilitates the approximation…V. P. Nair·Apr 19, 2026SaveLearn
Refined 3D indexWe introduce a refined version of the 3D index for 3-manifolds, building on the construction of the 3D N=2 gauge theory T[M] by Dimofte-Gaiotto-Gukov and Gang-Yonekura. The refined…Dongmin Gang, Kibok Jeong, Taeyoon Kim et al.·Apr 19, 2026SaveLearn
Bubble dynamics and vortex formation in holographic first-order superfluid phase transitionsWe investigate bubble dynamics in a holographic superfluid undergoing a first-order phase transition with spontaneous U(1) symmetry breaking. Near the nucleation threshold, the system exhibits…Zhen-han Jin, Yu-ping An, Li Li·Apr 19, 2026SaveLearn
Heterotic Footprints in Classical Gravity: PM dynamics from On-Shell soft amplitudes at one loopWe study classical scattering of charged black holes in Einstein-Maxwell-Dilaton (EMD) theory. Working in the classical (Post-Minkowskian) regime, we extract the conservative two-body potential by…Arpan Bhattacharyya, Saptaswa Ghosh, Ankit Mishra et al.·Apr 19, 2026SaveLearn
Krylov complexity for Lin-Maldacena geometries and their holographic dualsWe compute the rate of growth of operator size in matrix models by probing the Lin-Maldacena class of geometries with classical probes. We consider massive point particle probes whose proper momentum…Dibakar Roychowdhury·Apr 18, 2026SaveLearn
Supersymmetry, Supergravity and Non--Perturbative Dynamics of Gauge TheoriesWe present a review of supersymmetry, supergravity, and the non-perturbative dynamics of gauge theories, tracing a path from the supersymmetry algebra to moduli stabilisation and de~Sitter vacua in…Tetiana Obikhod·Apr 18, 2026SaveLearn
Comment on "Geometry of the Grosse-Wulkenhaar model"We clarify a key point in the geometric reinterpretation of the Grossex2013Wulkenhaar (GW) model proposed in "Geometry of the Grosse-Wulkenhaar model" [JHEP 03 (2010) 053].…Dragan Prekrat·Apr 18, 2026SaveLearn
Fermion Zero Modes and Fermion number 1/2 of the 't Hooft-Polyakov MonopoleFermion bound states in the background of the 't Hooft-Polyakov SU(2) monopole are investigated for various values of gauge coupling constant g, the Higgs self-coupling constant λ, and the…P. E. Mogaddam, S. S. Gousheh·Apr 17, 2026SaveLearn
Constrained Padé Ensembles for Thermal N=4 SYM with the Exact O(λ5/2) CoefficientWe revisit the constrained log-subtracted two-point Padé (LSTP) ensemble for thermal N=4 supersymmetric Yang-Mills (SYM) thermodynamics in four spacetime dimensions after upgrading the…Ubaid Tantary, Qianqian Du·Apr 17, 2026SaveLearn
Testing Scalar Field Self-Dualities in d=2 using a Variational MethodRecently, self-dualities based on saddle-point expansions have been proposed as a means to obtain qualitative non-perturbative information in scalar field theories. In this work, we test this…Paul Romatschke, Ulrike Romatschke·Apr 17, 2026SaveLearn
Holographic Stirling engines and the route to Carnot efficiencyWe compute the efficiency of the reversible Stirling engine, with and without regeneration, for a broad class of working substances including Van der Waals fluids, quantum ideal gases (Bose and…Nikesh Lilani, Manus R. Visser·Apr 17, 2026SaveLearn
Dirac-Bergmann analysis of SW-mapped non-commutative U(1) electrodynamics with external currentsNon-commutative electrodynamics obtained through the Seiberg-Witten map ceases to have equivalent action-level and equation-level realizations once fixed external currents are introduced, and in the…J. Manuel Cabrera, A. G. Andarcia Caballero, J. M. Paulin Fuentes·Apr 17, 2026SaveLearn
Recent progress on inflation and dark energy from string theoryWe review recent progress in string model building in both early and late time cosmology. We describe the main theoretical and phenomenological features of an entire class of inflationary models…Michele Cicoli·Apr 17, 2026SaveLearn
Batalin-Vilkovisky quantization with an angular twistWe construct cubic scalar field theory on λ-Minkowski space by combining the Batalin-Vilkovisky formalism with harmonic analysis, and produce two inequivalent noncommutative quantum field theories.…Djordje Bogdanović, Marija Dimitrijević Ćirić, Richard J. Szabo·Apr 17, 2026SaveLearn
Coulomb Potential in Podolsky-Carroll-Field-Jackiw ElectrodynamicsPodolsky electrodynamics, a higher-derivative extension of Maxwell's theory characterized by the Podolsky parameter λ=1/m, which modifies the photon dispersion relation and regularizes…D. S. Cabral, L. A. S. Evangelista, A. F. Santos·Apr 17, 2026SaveLearn
Exact expectation values in a boost-invariant fluid of Dirac fermions with finite spin densityWe study a boost-invariant, out-of-equilibrium fluid of non-interacting Dirac fermions with a finite canonical spin potential. After solving the Dirac equation in Milne coordinates, we exactly…Andrea Palermo, Daniele Roselli·Apr 17, 2026SaveLearn