Optimising creation operators for charmonium spectroscopy on the latticeSmearing the bare quantum fields in lattice calculations before applying composite hadron creation operators has a long record of substantially improving overlaps onto low-lying energy eigenstates. A…Francesco Knechtli, Tomasz Korzec, Michael Peardon et al.·May 23, 2022SaveLearn
Counting-Based Effective Dimension and Discrete RegularizationsFractal-like structures of varying complexity are common in nature, and measure-based dimensions (Minkowski, Hausdorff) supply their basic geometric characterization. However, at the level of…Ivan Horváth, Peter Markoš, Robert Mendris·May 23, 2022SaveLearn
Study of I=0 bottomonium bound states and resonances in S, P, D and F waves with lattice QCD static-static-light-light potentialsIn this paper we study I = 0 bottomonium in S, P, D and F waves considering five coupled channels, one confined quarkonium and four open B(*) B(*) and $Bs(*) …Pedro Bicudo, Nuno Cardoso, Lasse Mueller et al.·May 23, 2022SaveLearn
Resonance form factors from finite-volume correlation functions with the external field methodA novel method for the extraction of form factors of unstable particles on the lattice is proposed. The approach is based on the study of two-particle scattering in a static, spatially periodic…Jonathan Lozano, Ulf-G. Meißner, Fernando Romero-López et al.·May 23, 2022SaveLearn
Attractive N-φ Interaction and Two-Pion Tail from Lattice QCD near Physical PointFirst results on the interaction between the φ-meson and the nucleon (N) are presented based on the (2+1)-flavor lattice QCD simulations with nearly physical quark masses. Using the HAL QCD…Yan Lyu, Takumi Doi, Tetsuo Hatsuda et al.·May 21, 2022SaveLearn
Sp(2N) Yang-Mills theories on the lattice: scale setting and topologyWe study Yang-Mills lattice theories with Sp(Nc) gauge group, with Nc=2N, for N=1,\,·s,\,4. We show that if we divide the renormalised couplings appearing in the Wilson flow by the…Ed Bennett, Deog Ki Hong, Jong-Wan Lee et al.·May 19, 2022SaveLearn
Color dependence of the topological susceptibility in Yang-Mills theoriesFor Yang-Mills theories in four dimensions, we propose to rescale the ratio between topological susceptibility and string tension squared in a universal way, dependent only on group factors. We apply…Ed Bennett, Deog Ki Hong, Jong-Wan Lee et al.·May 19, 2022SaveLearn
Self-mitigating Trotter circuits for SU(2) lattice gauge theory on a quantum computerQuantum computers offer the possibility to implement lattice gauge theory in Minkowski rather than Euclidean spacetime, thus allowing calculations of processes that evolve in real time. In this work,…Sarmed A Rahman, Randy Lewis, Emanuele Mendicelli et al.·May 18, 2022SaveLearn
Toward tensor renormalization group study of three-dimensional non-Abelian gauge theoryWe propose a method to represent the path integral over gauge fields as a tensor network. We introduce a trial action with variational parameters and generate gauge field configurations with the…Takaaki Kuwahara, Asato Tsuchiya·May 18, 2022SaveLearn
Schwinger model at finite temperature and density with beta VQEWe investigate a quantum gauge theory at finite temperature and density using a variational algorithm for near-term quantum devices. We adapt β-VQE to evaluate thermal and quantum expectation…Akio Tomiya·May 18, 2022SaveLearn
New Way to Resum the Lattice QCD Taylor Series Equation of State at Finite Chemical PotentialTaylor expansion of the thermodynamic potential in powers of the (baryo)chemical potential μB is a well-known method to bypass the Sign Problem of Lattice QCD. Due to the difficulty in…Sabarnya Mitra, Prasad Hegde, Christian Schmidt·May 17, 2022SaveLearn
Reducing finite-size effects with reweighted renormalization group transformationsWe combine histogram reweighting techniques with the two-lattice matching Monte Carlo renormalization group method to conduct computationally efficient calculations of critical exponents on systems…Dimitrios Bachtis·May 17, 2022SaveLearn
Continuum limit of parton distribution functions from the pseudo-distribution approach on the latticePrecise quantification of the structure of nucleons is one of the crucial aims of hadronic physics for the coming years. The expected progress related to ongoing and planned experiments should be…Manjunath Bhat, Wojciech Chomicki, Krzysztof Cichy et al.·May 16, 2022SaveLearn
First-order electroweak phase transitions: a nonperturbative updateWe study first-order electroweak phase transitions nonperturbatively, assuming any particles beyond the Standard Model are sufficiently heavy to be integrated out at the phase transition. Utilising…Oliver Gould, Sinan Güyer, Kari Rummukainen·May 15, 2022SaveLearn
Phase transition in the three-dimensional O(N) O(M) model: a Monte Carlo studyUsing Monte Carlo simulations, we consider the lattice version of the O(N) O(M) sigma model for 2≤ M≤4 and M≤ N ≤8. We find a continuous transition for N≥ M+4. Estimates…A. O. Sorokin·May 15, 2022SaveLearn
Towards glueball masses of large-N SU(N) pure-gauge theories without topological freezingIn commonly used Monte Carlo algorithms for lattice gauge theories the integrated autocorrelation time of the topological charge is known to be exponentially-growing as the continuum limit is…Claudio Bonanno, Massimo D'Elia, Biagio Lucini et al.·May 12, 2022SaveLearn
AI and Theoretical Particle PhysicsTheoretical particle physicists continue to push the envelope in both high performance computing and in managing and analyzing large data sets. For example, the goals of sub-percent accuracy in…Rajan Gupta, Tanmoy Bhattacharya, Boram Yoon·May 11, 2022SaveLearn
Moving from continuous to discrete symmetry in the 2D XY modelWe study the effects of discretization on the U(1) symmetric XY model in two dimensions using the Higher Order Tensor Renormalization Group (HOTRG) approach. Regarding the ZN symmetric clock…Nouman Butt, Xiao-Yong Jin, James C Osborn et al.·May 7, 2022SaveLearn
Scale setting for large-N SUSY Yang-Mills on the latticeIn this paper we study the large N limit of four-dimensional Supersymmetric Yang-Mills on the lattice using twisted reduced models. We have generated configurations with dynamical massive gluinos…Pietro Butti, Margarita Garcia Perez, Antonio Gonzalez-Arroyo et al.·May 6, 2022SaveLearn
Strongly Bound Dibaryon with Maximal Beauty Flavor from Lattice QCDWe report the first lattice QCD study of the heavy dibaryons in which all six quarks have the bottom (beauty) flavor. Performing a state-of-the-art lattice QCD calculation we find clear evidence for…Nilmani Mathur, M. Padmanath, Debsubhra Chakraborty·May 5, 2022SaveLearn
Photon emissivity of the quark-gluon plasma: a lattice QCD analysis of the transverse channelWe present results for the thermal photon emissivity of the quark-gluon plasma derived from spatially transverse vector correlators computed in lattice QCD at a temperature of 250 MeV. The analysis…Marco Cè, Tim Harris, Ardit Krasniqi et al.·May 5, 2022SaveLearn
Reducing the Sign Problem with Line IntegralsWe present a novel strategy to strongly reduce the severity of the sign problem, using line integrals along paths of changing imaginary action. Highly oscillating regions along these paths cancel…Rasmus N. Larsen·May 4, 2022SaveLearn
Parton physics of the large-Nc mesonsWe initiate the studies on the structural physics of the tower of stable large-Nc mesons through a first computation of the collinear quark-structure of a large-Nc pion using lattice…Nikhil Karthik, Rajamani Narayanan·May 4, 2022SaveLearn
Perturbative renormalization of the supercurrent operator in lattice N=1 supersymmetric Yang-Mills theoryIn this work we perform a perturbative study of the Noether supercurrent operator in the context of Supersymmetric N=1 Yang-Mills (SYM) theory on the lattice. The supercurrent mixes with…Georg Bergner, Marios Costa, Haralambos Panagopoulos et al.·May 4, 2022SaveLearn
Infinite Variance in Monte Carlo Sampling of Lattice Field TheoriesIn Monte Carlo calculations of expectation values in lattice quantum field theories, the stochastic variance of the sampling procedure that is used defines the precision of the calculation for a…Cagin Yunus, William Detmold·May 2, 2022SaveLearn