- $X(3872)$ in an unquenched quark model

Author(s): Yue Tan and Jialun PingIn this paper we calculate the mass and probability fractions of the meson-meson components of $X(3872)$ in an unquenched quark model. Different from most other unque … - Two-loop calculation of Yang-Mills propagators in the Curci-Ferrari model

Author(s): John A. Gracey, Marcela Peláez, Urko Reinosa, and Matthieu TissierThe Landau-gauge gluon and ghost correlation functions obtained in lattice simulations can be reproduced qualitatively and, … - Valence parton distribution function of pion from fine lattice

Author(s): Taku Izubuchi, Luchang Jin, Christos Kallidonis, Nikhil Karthik, Swagato Mukherjee, Peter Petreczky, Charles Shugert, and Sergey SyritsynWe present a lattice QCD study of the valence parton … - Influence of geometrical configuration on low angular momentum relativistic accretion around rotating black holes

Author(s): Pratik Tarafdar, Deepika A. Bollimpalli, Sankhasubhra Nag, and Tapas K. DasWe illustrate how the formation of energy-preserving shocks for polytropic accretion and temperature-preserving sh … - Black hole discharge: Very-high-energy gamma rays from black hole-neutron star mergers

Author(s): Zhen Pan and Huan YangWith mass ratio larger than $∼5$ (which depends on the black hole spin and the star radius), star disruption is not expected for a black hole merging with a neutron st … - Detection prospects of core-collapse supernovae with supernova-optimized third-generation gravitational-wave detectors

Author(s): Varun Srivastava, Stefan Ballmer, Duncan A. Brown, Chaitanya Afle, Adam Burrows, David Radice, and David VartanyanWe discuss how to optimize the third-generation gravitational-wave detector … - Future constraints on dynamical dark-energy using gravitational-wave standard sirens

Author(s): Minghui Du, Weiqiang Yang, Lixin Xu, Supriya Pan, and David F. MotaThe detection of gravitational waves (GW) by the LIGO and Virgo collaborations offers a whole new range of possible tests … - Gedanken experiments to destroy a BTZ black hole

Author(s): Bo Ning, Baoyi Chen, and Feng-Li LinWe consider Gedanken experiments to destroy an extremal or near-extremal Banados-Teitelboim-Zanelli (BTZ) black hole by throwing matter into the horizon. … - Electromagnetic fields on Kerr spacetime, Hertz potentials, and Lorenz gauge

Author(s): Sam R. DolanWe review two procedures for constructing the vector potential of the electromagnetic field on Kerr spacetime, namely, the classic method of Cohen and Kegeles, yielding ${A}^{μ} … - Nonequilibrium condensation process of a holographic superconductor in de Rham-Gabadadze-Tolley massive gravity

Author(s): Ran Li and Yujia ZhaoWe study the nonequilibrium condensation process of a holographic s-wave superconductor constructed in the background of de Rham-Gabadadze-Tolley massive gravity theory … - Search for electroweak diboson production in association with a high-mass dijet system in semileptonic final states in $pp$ collisions at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ with the ATLAS detector

Author(s): G. Aad et al. (ATLAS Collaboration)This paper reports on a search for electroweak diboson ($WW/WZ/ZZ$) production in association with a high-mass dijet system, using data from proton-proton … - Coherence length of neutrino oscillations in a quantum field-theoretical approach

Author(s): Vadim O. Egorov and Igor P. VolobuevWe consider the appearance of the coherence length of neutrino oscillations in a quantum field-theoretical approach to the description of neutrino oscill … - Some decay properties of hidden-charm pentaquarks as baryon-meson molecules

Author(s): M. B. VoloshinIt is pointed out that the previously suggested interpretation of the hidden-charm pentaquarks ${P}_{c}(4312)$, ${P}_{c}(4440)$, and ${P}_{c}(4457)$ as molecular bound states … - Testing the tetraquark mixing framework from QCD sum rules for ${a}_{0}(980)$

Author(s): Hee-Jung Lee, K. S. Kim, and Hungchong KimAccording to a recent proposal of the tetraquark mixing framework, the two light-meson nonets in the ${J}^{P}={0}^{+}$ channel, namely, the light n … - Flow-based generative models for Markov chain Monte Carlo in lattice field theory

Author(s): M. S. Albergo, G. Kanwar, and P. E. ShanahanA Markov chain update scheme using a machine-learned flow-based generative model is proposed for Monte Carlo sampling in lattice field theories. … - Alignment limit in three Higgs-doublet models

Author(s): Dipankar Das and Ipsita SahaThe LHC Higgs data are showing a gradual inclination towards the standard model (SM) result, and realization of a SM-like limit becomes essential for beyond the … - Natural ${Z}^{′}$-portal Majorana dark matter in alternative U(1) extended standard model

Author(s): Nobuchika Okada, Satomi Okada, and Digesh RautWe consider a nonexotic gauged ${\mathrm{U}(1)}_{X}$ extension of the Standard Model (SM), where the ${\mathrm{U}(1)}_{X}$ charge of a SM field … - Dark matter freeze-out in modified cosmological scenarios

Author(s): Alexandre PoulinWe study the effects of modifying the expansions history of the Universe on dark matter freeze-out. We derived a modified Boltzmann equation for freeze-out for an arbitrary … - Accelerated detection of the binary neutron star gravitational-wave background

Author(s): Francisco Hernandez Vivanco, Rory Smith, Eric Thrane, and Paul D. LaskyMost gravitational-wave signals from binary neutron star coalescences are too weak to be individually resolved with cu … - Minisuperspace model of compact phase space gravity

Author(s): Danilo Artigas, Jakub Mielczarek, and Carlo RovelliThe kinematical phase space of classical gravitational field is flat (affine) and unbounded. Because of this, field variables may tend to … - New shapes of primordial non-Gaussianity from quasi-single field inflation with multiple isocurvatons

Author(s): Michael McAneny and Alexander K. RidgwayWe study a simple extension of quasi-single field inflation in which the inflaton interacts with multiple extra massive scalars known as isocurvatons … - Eikonal quasinormal modes of black holes beyond general relativity

Author(s): Kostas Glampedakis and Hector O. SilvaMuch of our physical intuition about black hole quasinormal modes in general relativity comes from the eikonal/geometric optics approximation. Accordin … - Probing observational bounds on scalar-tensor theories from standard sirens

Author(s): Rocco D’Agostino and Rafael C. NunesStandard sirens are the gravitational wave (GW) analog of the astronomical standard candles and can provide powerful information about the dynamics of th … - Sensitivity functions for space-borne gravitational wave detectors

Author(s): Xiao-Yu Lu, Yu-Jie Tan, and Cheng-Gang ShaoTime-delay interferometry is put forward to improve the signal-to-noise ratio of space-borne gravitational wave detectors by canceling the large l … - Classical and quantum aspects of the radiation emitted by a uniformly accelerated charge: Larmor-Unruh reconciliation and zero-frequency Rindler modes

Author(s): André G. S. Landulfo, Stephen A. Fulling, and George E. A. MatsasThe interplay between acceleration and radiation harbors remarkable and surprising consequences. One of the most striking is … - Constraints and horizons for de Sitter with extra dimensions

Author(s): Saurya Das, S. Shajidul Haque, and Bret UnderwoodIn order for spacetimes with static extra dimensions to have four-dimensional de Sitter expansion they must have at least positive curvature … - Holographic complexity of anisotropic black branes

Author(s): Seyed Ali Hosseini Mansoori, Viktor Jahnke, Mohammad M. Qaemmaqami, and Yaithd D. OlivasWe use the $\text{complexity}=\text{action}$ (CA) conjecture to study the full-time dependence of hol … - Deep inelastic scattering on a nucleus using holography

Author(s): Kiminad A. Mamo and Ismail ZahedWe consider deep inelastic scattering (DIS) on a nucleus described using a density expansion. In leading order, the scattering is dominated by the incoherent … - Are nonperturbative AdS vacua possible in bosonic string theory?

Author(s): Peng Wang, Houwen Wu, and Haitang YangIn this paper, following the work of Hohm and Zwiebach [arXiv:1905.06583], we show that in bosonic string theory nonperturbative anti–de Sitter (AdS) v … - $T\overline{T}$ deformations with $\mathcal{N}=\mathbf{(}0,2\mathbf{)}$ supersymmetry

Author(s): Hongliang Jiang, Alessandro Sfondrini, and Gabriele Tartaglino-MazzucchelliWe investigate the behavior of two-dimensional quantum field theories with $\mathcal{N}=(0,2)$ supersymmetry under … - Nucleon isovector charges and twist-2 matrix elements with ${N}_{f}=2+1$ dynamical Wilson quarks

Author(s): Tim Harris, Georg von Hippel, Parikshit Junnarkar, Harvey B. Meyer, Konstantin Ottnad, Jonas Wilhelm, Hartmut Wittig, and Linus WrangWe present results from a lattice QCD study of nucleon m … - Light-meson leptonic decay rates in lattice $\mathrm{QCD}+\mathrm{QED}$

Author(s): M. Di Carlo, G. Martinelli, D. Giusti, V. Lubicz, C. T. Sachrajda, F. Sanfilippo, S. Simula, and N. TantaloThe leading electromagnetic and strong isospin-breaking corrections to the decay r … - String tension and robustness of confinement properties in the Schwinger-Thirring model

Author(s): Joao C. Pinto Barros, Marcello Dalmonte, and Andrea TrombettoniConfinement properties of the $1+1$ Schwinger model can be studied by computing the string tension between two charges. It is … - Supernovae sparked by dark matter in white dwarfs

Author(s): Javier F. Acevedo and Joseph BramanteIt was recently demonstrated that asymmetric dark matter can ignite supernovae by collecting and collapsing inside lone sub-Chandrasekhar mass white dwa … - Combining Cherenkov and scintillation detector observations with simulations to deduce the nature of high-energy radiation excesses during thunderstorms

Author(s): Gregory S. Bowers, William Blaine, Xuan-Min Shao, Brenda Dingus, David M. Smith, Michael Schneider, Forest Martinez-McKinney, Michael P. McCarthy, Segev BenZvi, Lukas Nellen, and Nissim Fra … - Charged vector inflation

Author(s): Hassan Firouzjahi, Mohammad Ali Gorji, Seyed Ali Hosseini Mansoori, Asieh Karami, and Tahereh RostamiWe present a model of inflation in which the inflaton field is charged under a triplet o … - Gravitationally trapped axions on the Earth

Author(s): Kyle Lawson, Xunyu Liang, Alexander Mead, Md Shahriar Rahim Siddiqui, Ludovic Van Waerbeke, and Ariel ZhitnitskyWe advocate for the idea that there is a fundamentally new mechanism for axio … - Enhancement of gravitational waves induced by scalar perturbations due to a sudden transition from an early matter era to the radiation era

Author(s): Keisuke Inomata, Kazunori Kohri, Tomohiro Nakama, and Takahiro TeradaWe study gravitational waves induced from the primordial scalar perturbations at second order around the reheating of th … - Response of CsI[Na] to nuclear recoils: Impact on coherent elastic neutrino-nucleus scattering

Author(s): J. I. Collar, A. R. L. Kavner, and C. M. LewisA new measurement of the quenching factor for low-energy nuclear recoils in CsI[Na] is presented. Past measurements are revisited, identifying … - Effective repulsion in dense quark matter from nonperturbative gluon exchange

Author(s): Yifan Song, Gordon Baym, Tetsuo Hatsuda, and Toru KojoA moderately strong vector repulsion between quarks in dense quark matter is needed to explain how a quark core can support neutron sta … - Double polarization observables in pentaquark photoproduction

Author(s): D. Winney, C. Fanelli, A. Pilloni, A. N. Hiller Blin, C. Fernández-Ramírez, M. Albaladejo, V. Mathieu, V. I. Mokeev, and A. P. Szczepaniak (Joint Physics Analysis Center)We investigate the … - Consequences of $μ\text{−}τ$ reflection symmetry for $3+1$ neutrino mixing

Author(s): Kaustav Chakraborty, Srubabati Goswami, and Biswajit KarmakarWe investigate the consequences of $μ\text{−}τ$ reflection symmetry in presence of a light sterile neutrino for the $3+1$ neutri … - Probing an additional bottom Yukawa coupling via $bg→bA→bZH$ signature

Author(s): Tanmoy ModakThe recent discovery of the bottom quark Yukawa coupling ($hbb$) of the 125 GeV scalar motivates one to search for extra bottom Yukawa coupling that may exist in nature. The two … - Clockwork origin of neutrino mixings

Author(s): Teruyuki KitabayashiThe clockwork mechanism provides a natural way to obtain hierarchical masses and couplings in a theory. We propose a clockwork model that has nine clockwork generations. … - Radiatively generated source of flavor universal scalar soft masses

Author(s): Sabyasachi Chakraborty and Tuhin S. RoyWe report that models of electroweak supersymmetry with gaugino mass unification and sequestered scalar masses can still produce viable spectra, as lo … - Model-independent form-factor constraints for electromagnetic spin-1 currents

Author(s): Helmut HaberzettlUsing local gauge invariance in the form of the Ward-Takahashi identity and the fact that properly constructed current operators must be free of kinematic singularities, it … - Prospects for gravitational-wave polarization tests from compact binary mergers with future ground-based detectors

Author(s): Hiroki Takeda, Atsushi Nishizawa, Koji Nagano, Yuta Michimura, Kentaro Komori, Masaki Ando, and Kazuhiro HayamaThere exist six possible polarization modes of gravitational waves in a genera … - Do current astronomical observations exclude the existence of nonstrange quark stars?

Author(s): Tong Zhao, Wei Zheng, Fei Wang, Cheng-Ming Li, Yan Yan, Yong-Feng Huang, and Hong-Shi ZongAs is pointed out in a recent work [Phys. Rev. Lett. 120, 222001 (2018)], quark matter may not be s … - Superheavy dark matter and ANITA’s anomalous events

Author(s): Dan Hooper, Shalma Wegsman, Cosmin Deaconu, and Abigail ViereggThe ANITA experiment, which is designed to detect ultrahigh-energy neutrinos, has reported the observation of two anomalous ev … - Model independent parametrization of the late time cosmic acceleration: Constraints on the parameters from recent observations

Author(s): Bikash R. DindaIn this work, we have considered a model independent approach to study the nature of the late time cosmic acceleration. We have used the Pade approximation to parametrize the … - Delensing degree-scale $B$-mode polarization with high-redshift line intensity mapping

Author(s): Kirit S. KarkareCosmic microwave background (CMB) experiments that constrain the tensor-to-scalar ratio $r$ are now approaching the sensitivity at which delensing—removing the $B$ modes ind … - Science with the TianQin observatory: Preliminary results on testing the no-hair theorem with ringdown signals

Author(s): Changfu Shi (石常富), Jiahui Bao (包佳慧), Hai-Tian Wang (王海天), Jian-dong Zhang (张建东), Yi-Ming Hu (胡一鸣), Alberto Sesana, Enrico Barausse, Jianwei Mei (梅健伟), and Jun Luo (罗俊)We study the capabilit … - Scalar-metric-affine theories: Can we get ghost-free theories from symmetry?

Author(s): Katsuki Aoki and Keigo ShimadaWe reveal the existence of a certain hidden symmetry in general ghost-free scalar-tensor theories which can only be seen when generalizing the geometry of the … - Cosmological dynamics and double screening of DBI-Galileon gravity

Author(s): Sirachak Panpanich, Supakchai Ponglertsakul, and Kei-ichi MaedaWe investigate cosmological dynamics and screening mechanism of the Dirac–Born–Infeld (DBI) Galileon model. The model has been … - Properties of expansion-free dynamical stars

Author(s): Abbas Sherif, Rituparno Goswami, and Sunil MaharajWe study the geometrical and dynamical features of expansion-free dynamical stars in general relativity. Such stars can exist only if parti … - Generalized Schwinger effect and particle production in an expanding universe

Author(s): Karthik Rajeev, Sumanta Chakraborty, and T. PadmanabhanWe discuss several aspects of particle production in (a) a time-dependent electric field and (b) an expanding Friedmann background. In … - Thermal diffusion and quantum chaos in neutral magnetized plasma

Author(s): Wei Li, Shu Lin, and Jiajie MeiWe calculate the thermal diffusion constant ${D}_{T}$ and butterfly velocity ${v}_{B}$ in neutral magnetized plasma using a holographic magnetic brane backgro … - Search for $\mathrm{Ω}\mathbf{(}2012\mathbf{)}→K\mathrm{Ξ}\mathbf{(}1530\mathbf{)}→Kπ\mathrm{Ξ}$ at Belle

Author(s): S. Jia et al. (Belle Collaboration)Using data samples of ${e}^{+}{e}^{−}$ collisions collected at the $\mathrm{ϒ}(1S)$, $\mathrm{ϒ}(2S)$, and $\mathrm{ϒ}(3S)$ resonances with the Belle dete … - Implication of ${R}_{{D}^{(*)}}$ anomalies on semileptonic decays of ${\mathrm{Σ}}_{b}$ and ${\mathrm{Ω}}_{b}$ baryons

Author(s): N. Rajeev, Rupak Dutta, and Suman KumbhakarThe flavor changing decays of heavy bottom quarks to the corresponding lighter quarks ($u$, $c$, and $s$) in various $B$-meson decays via charged … - LHC constraints on a $\mathbf{(}B−L{\mathbf{)}}_{3}$ gauge boson

Author(s): Fatemeh Elahi and Adam MartinIn this paper, we explore the constraints that the LHC can place on a massive gauge boson $X$ that predominantly couples to the third generation of fermions. Su … - Erratum: Zeros in the magic neutrino mass matrix [Phys. Rev. D 94, 036004 (2016)]

Author(s): Radha Raman Gautam and Sanjeev Kumar[Phys. Rev. D 100, 039902] Published Mon Aug 19, 2019 - TeV halos are everywhere: Prospects for new discoveries

Author(s): Takahiro Sudoh, Tim Linden, and John F. BeacomMilagro and the High Altitude Water Cherenkov (HAWC) observatory have detected extended TeV gamma-ray emission around nearby pulsar wind nebula … - Torsional oscillations of magnetized neutron stars with mixed poloidal-toroidal fields

Author(s): Gibran H. de Souza and Cecilia ChirentiThe quasiperiodic oscillations found in the three giant flares of soft gamma-ray repeaters observed to date have been interpreted as torsional oscilla … - The Vacuum as a Lagrangian subspace

Author(s): Daniele Colosi and Robert OecklWe unify and generalize the notions of vacuum and amplitude in linear quantum field theory in curved spacetime. Crucially, the generalized notion admits a loc … - Top quark mass dependence of the Higgs boson-gluon form factor at three loops

Author(s): Joshua Davies, Ramona Gröber, Andreas Maier, Thomas Rauh, and Matthias SteinhauserWe compute three-loop corrections to the Higgs boson-gluon form factor, incorporating the top quark mass de … - Enhanced $Z$ boson decays as a new probe of first-order electroweak phase transition at future lepton colliders

Author(s): Fa Peng Huang and Eibun SenahaWe study phenomenological consequences of the strong first-order electroweak phase transition in an extension of the standard model with an inert doublet and v … - Dynamical stability of quasitoroidal differentially rotating neutron stars

Author(s): Pedro L. Espino, Vasileios Paschalidis, Thomas W. Baumgarte, and Stuart L. ShapiroWe investigate the dynamical stability of relativistic, differentially rotating, quasitoroidal models of ne … - Differentially rotating strange star in general relativity

Author(s): Enping Zhou, Antonios Tsokaros, Kōji Uryū, Renxin Xu, and Masaru ShibataRapidly and differentially rotating compact stars are believed to be formed in binary neutron star merger events, acc … - Denoising weak lensing mass maps with deep learning

Author(s): Masato Shirasaki, Naoki Yoshida, and Shiro IkedaWeak gravitational lensing is a powerful probe of the large-scale cosmic matter distribution. Wide-field galaxy surveys allow us to generate … - Exotic massive gravity: Causality and a Birkhoff-like theorem

Author(s): Ercan Kilicarslan and Bayram TekinWe study the local causality issue via the Shapiro time-delay computations in the on-shell consistent exotic massive gravity in three dimensions. The theor … - Time-frequency approach to relativistic correlations in quantum field theory

Author(s): Benjamin Roussel and Alexandre FellerMoving detectors in relativistic quantum field theories reveal the fundamental entangled structure of the vacuum, which manifests, for instance, through … - Scattering amplitude recursion relations in Batalin-Vilkovisky–quantizable theories

Author(s): Tommaso Macrelli, Christian Sämann, and Martin WolfTree-level scattering amplitudes in Yang-Mills theory satisfy a recursion relation due to Berends and Giele which yields e.g., the famous … - Supersymmetric $SU\mathbf{(}5\mathbf{)}×U\mathbf{(}1{\mathbf{)}}_{χ}$ and the weak gravity conjecture

Author(s): Abhishek Pal and Qaisar ShafiThe gauge symmetry $SU(5)×U(1{)}_{χ}$ is the unique maximal subgroup of SO(10) which retains manifest unification at ${M}_{GUT}$ of the Standard Model gauge cou … - Generalized near horizon extreme binary black hole geometry

Author(s): Jacob Ciafre, Shahar Hadar, Erin Rickenbach, and Maria J. RodriguezWe present a new vacuum solution of Einstein’s equations describing the near horizon region of two neutral, extreme (zero- … - Screening and degenerate kinetic self-acceleration from the nonlinear freedom of reconstructed Horndeski theories

Author(s): Joe Kennedy, Lucas Lombriser, and Andy TaylorWe have previously presented a reconstruction of Horndeski scalar-tensor theories from linear cosmological observables. It includes free nonline … - Modular symmetry anomaly in magnetic flux compactification

Author(s): Yuki Kariyazono, Tatsuo Kobayashi, Shintaro Takada, Shio Tamba, and Hikaru UchidaWe study modular symmetry anomalies in four-dimensional low-energy effective field theory, which is derived … - State of a particle pair produced by the Schwinger effect is not necessarily a maximally entangled Bell state

Author(s): De-Chang DaiWe analyze the spins of a Schwinger particle pair in a spatially uniform but time dependent electric field. The particle pair’s spins are in the maximally entangled Bell state o … - Partial-wave analysis of $J/ψ→{K}^{+}{K}^{−}{π}^{0}$

Author(s): M. Ablikim et al. (BESIII Collaboration)A partial-wave analysis of the decay $J/ψ→{K}^{+}{K}^{−}{π}^{0}$ has been made using $(223.7±1.4)×{10}^{6}\text{ }\text{ }J/ψ$ events collected with … - Conformal perturbation theory confronts lattice results in the vicinity of a critical point

Author(s): Michele Caselle, Nicodemo Magnoli, Alessandro Nada, Marco Panero, and Marcello ScanavinoThe authors test the predictive power of conformal perturbation in the neighborhood of the finite tem … - Alternative formulation of left-right symmetry with $B−L$ conservation and purely Dirac neutrinos

Author(s): Patrick D. Bolton, Frank F. Deppisch, Chandan Hati, Sudhanwa Patra, and Utpal SarkarWe propose an alternative formulation of a left-right symmetric model where the difference between baryon … - Dark matter minispike: A significant enhancement of eccentricity for intermediate-mass-ratio inspirals

Author(s): Xiao-Jun Yue and Zhoujian CaoWhen a stellar massive compact object, such as a black hole, inspirals into an intermediate massive black hole (IMBH), an intermediate-mass-ratio-inspiral (IMRI … - Observation of ${e}^{+}{e}^{−}→{π}^{+}{π}^{−}ψ(3770)$ and ${D}_{1}(2420{)}^{0}{\overline{D}}^{0}+\mathrm{c}.\mathrm{c}.$

Author(s): M. Ablikim et al. (BESIII Collaboration)Several intermediate states of the reaction channels ${e}^{+}{e}^{−}→{π}^{+}{π}^{−}{D}^{0}{\overline{D}}^{0}$ and ${e}^{+}{e}^{−}→{π}^{+}{π}^{−}{D}^{ … - $D$ mesons as a probe of Casimir effect for chiral symmetry breaking

Author(s): Tsutomu Ishikawa, Katsumasa Nakayama, Daiki Suenaga, and Kei SuzukiWe propose $D$ mesons as probes to investigate finite-volume effects for chiral symmetry breaking at zero and finite tempe … - Equivalence of three-particle scattering formalisms

Author(s): A. W. Jackura, S. M. Dawid, C. Fernández-Ramírez, V. Mathieu, M. Mikhasenko, A. Pilloni, S. R. Sharpe, and A. P. Szczepaniak (Joint Physics Analysis Center)In recent years, different on-she … - Full $\mathcal{O}(a)$ improvement in electrostatic QCD

Author(s): Guy D. Moore and Niels SchlusserElectrostatic QCD (EQCD) is a three-dimensional bosonic theory containing SU(3) and an adjoint scalar, which efficiently describes the infrared, nonperturbat … - Form factors of two-hadron states from a covariant finite-volume formalism

Author(s): Alessandro Baroni, Raúl A. Briceño, Maxwell T. Hansen, and Felipe G. Ortega-GamaIn this work we develop a Lorentz-covariant version of the previously derived formalism for relating finite-v … - Internal particle width effects on the triangle singularity mechanism in the study of the $η(1405)$ and $η(1475)$ puzzle

Author(s): Meng-Chuan Du and Qiang ZhaoIn this article, the analyticity of triangle loop integral with complex masses of internal particles is discussed in a new perspective, based on which we obtain … - Frame dependence of transition form factors in light-front dynamics

Author(s): Meijian Li, Yang Li, Pieter Maris, and James P. VaryWe calculate the transition form factor between vector and pseudoscalar quarkonia in both the timelike and the spacelike region using lig … - Flows of multicomponent scalar models with $U\mathbf{(}1\mathbf{)}$ gauge symmetry

Author(s): G. Fejős and T. HatsudaWe investigate the renormalization group flows of multicomponent scalar theories with $U(1)$ gauge symmetry using the functional renormalization group method. The sca … - Reconstructing phenomenological distributions of compact binaries via gravitational wave observations

Author(s): Daniel Wysocki, Jacob Lange, and Richard O’ShaughnessyGravitational wave (GW) measurements will provide insight into the population of coalescing compact binaries throughout the universe. W … - Warm pseudoscalar inflation

Author(s): Vahid. KamaliIn this paper, we introduce an action for the warm inflation model with direct coupling between the pseudoscalar field and massless $SU(2)$ gauge fields. The potential of the i … - CMB spectroscopy at third-order in cosmological perturbations

Author(s): Atsuhisa Ota and Nicola BartoloEarly energy injection to the Cosmic Microwave Background (CMB) from dissipation of acoustic waves generates deviations from the blackbody spectrum not only a … - Small field models of inflation that predict a tensor-to-scalar ratio $r=0.03$

Author(s): Ira Wolfson and Ram BrusteinFuture observations of the cosmic microwave background polarization are expected to set an improved upper bound on the tensor-to-scalar ratio of $r≲0.03$. Recent … - Inflation from fermions with curvature-dependent mass

Author(s): D. Benisty, E. I. Guendelman, E. N. Saridakis, H. Stoecker, J. Struckmeier, and D. VasakA model of inflation realization driven by fermions with curvature-dependent mass is studied. Such a … - Dynamical system analysis at background and perturbation levels: Quintessence in severe disadvantage comparing to $\mathrm{Λ}\mathrm{CDM}$

Author(s): Spyros Basilakos, Genly Leon, G. Papagiannopoulos, and Emmanuel N. SaridakisWe perform for the first time a dynamical system analysis of both the background and perturbation equations, of $ … - Early dark energy constraints on growing neutrino quintessence cosmologies

Author(s): Finlay Noble Chamings, Anastasios Avgoustidis, Edmund J. Copeland, Anne M. Green, and Baojiu LiWe investigate cosmological models in which dynamical dark energy consists of a scalar field w … - Scalar fields and parametrized spherically symmetric black holes: Can one hear the shape of space-time?

Author(s): Sebastian H. Völkel and Kostas D. KokkotasIn this work we study whether parametrized spherically symmetric black hole solutions in metric theories of gravity can appear to be isospectral wh … - Stable Schwarzschild stars as black-hole mimickers

Author(s): R. A. Konoplya, C. Posada, Z. Stuchlík, and A. ZhidenkoThe Schwarzschild star is an ultracompact object beyond the Buchdahl limit, which has Schwarzschild geometry outside its surface and p … - Note on the symplectic structure of asymptotically flat gravity and BMS symmetries

Author(s): Francesco Alessio and Michele ArzanoThe Poisson brackets of the gravitational field at null infinity play a pivotal role in establishing the equivalence between the Ward identities involvin … - Hamiltonian approach to black hole entropy: Kerr-like spacetimes

Author(s): M. Blagojević and B. CvetkovićBlack hole entropy of the Kerr-like family of spacetimes is introduced as the canonical charge on the horizon. Treating these spacetimes in the framework of Po …