Hexagonalization of correlation functions II: two-particle contributions
Sign Up to like & getrecommendations! Published in 2017 at "Journal of High Energy Physics"
DOI: 10.1007/jhep02(2018)177
Abstract: A bstractIn this work, we compute one-loop planar five-point functions in N=4$$ \mathcal{N}=4 $$ super-Yang-Mills using integrability. As in the previous work, we decompose the correlation functions into hexagon form factors and glue them using… read more here.
Keywords: particle contributions; point functions; two particle; correlation functions ... See more keywords
Implementing the three-particle quantization condition including higher partial waves
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep03(2019)106
Abstract: A bstractWe present an implementation of the relativistic three-particle quantization condition including both s- and d-wave two-particle channels. For this, we develop a systematic expansion of the three-particle K matrix, K$$ \mathcal{K} $$df,3, about threshold,… read more here.
Keywords: quantization condition; two particle; particle; three particle ... See more keywords
Extracting scattering amplitudes for arbitrary two-particle systems with one-particle left-hand cuts via lattice QCD
Sign Up to like & getrecommendations! Published in 2025 at "Journal of High Energy Physics"
DOI: 10.1007/jhep06(2025)186
Abstract: We derive a general formalism that relates the spectrum of two-particle systems in a finite volume to physical scattering amplitudes, taking into account the presence of any left-hand branch cuts due to single-particle exchanges. The… read more here.
Keywords: arbitrary two; left hand; scattering amplitudes; two particle ... See more keywords
Unknown Two Particles Teleportation Using a Special Two-Particle Quantum Channel
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-017-3570-9
Abstract: In this paper, two schemes of teleporting two particles are proposed. In first scheme, an auxiliary particle is introduced to transfer a two-particle state with special coefficients. The sender adopts Bell bases measurement and Von… read more here.
Keywords: two particles; special two; two particle; unknown two ... See more keywords
The Two-Particle Correlation Function for Systems with Long-Range Interactions
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Statistical Physics"
DOI: 10.1007/s10955-018-2121-y
Abstract: In this paper, we study the truncated two-particle correlation function in particle systems with long range interactions. For Coulombian and soft potentials, we define and give well-posedness results for the equilibrium correlations. In the Coulombian… read more here.
Keywords: particle correlation; two particle; particle; long range ... See more keywords
Plain Capping for Improved Accuracy of Approximate One- and Two-Electron Densities at Two-Particle Coalescence Points
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Chemical Theory and Computation"
DOI: 10.1021/acs.jctc.4c00533
Abstract: The values of the one-electron and intracule densities at two-particle coalescence points that enter the expressions for relativistic corrections to energies of Coulombic systems cannot be efficiently computed with sufficient accuracy from approximate wave functions… read more here.
Keywords: two particle; densities two; plain capping; particle coalescence ... See more keywords
Floquet Bound States in a Driven Two-Particle Bose–Hubbard Model with an Impurity
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/34/7/070304
Abstract: We investigate how the driving field affects the bound states in the one-dimensional two-particle Bose–Hubbard model with an impurity. In the high-frequency regime, compared with the static lattice [Phys. Rev. Lett. 109 (2012) 116405], a… read more here.
Keywords: bound states; two particle; floquet bound; particle bose ... See more keywords
Variational determination of the two-particle reduced density matrix within the doubly occupied configuration interaction space: exploiting translational and reflection invariance
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/abd940
Abstract: This work incorporates translational and reflection symmetry reductions to the variational determination of the two-particle reduced density matrix (2-RDM) corresponding to the ground state of N-particle systems, within the doubly occupied configuration interaction (DOCI) space.… read more here.
Keywords: translational reflection; matrix; two particle; particle ... See more keywords
Dynamics of classical analogs of bosons, fermions, and beyond
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/9rgm-gg5y
Abstract: We study the classical mechanics and dynamics of particles that retains some memory of quantum statistics. Our work builds on earlier work on the statistical mechanics and thermodynamics of such particles. Starting from the effective… read more here.
Keywords: analogs bosons; two particle; dynamics classical; classical analogs ... See more keywords
Two-particle self-consistent approach combined with dynamical mean field theory: A real-frequency study of the square-lattice Hubbard model
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review B"
DOI: 10.1103/physrevb.111.115143
Abstract: We investigate the two-dimensional Hubbard model using a real-frequency implementation of the TPSC+DMFT approach. This hybrid method combines the nonlocal correlations captured by the Two-Particle Self-Consistent (TPSC) approach with the local dynamical correlations of Dynamical… read more here.
Keywords: hubbard model; real frequency; tpsc dmft; two particle ... See more keywords
The Calculation of Two-Particle Quantities in the Typical Medium Dynamical Cluster Approximation
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.95.144208
Abstract: The mean-field theory for disordered electron systems without interaction is widely and successfully used to describe equilibrium properties of materials over the whole range of disorder strengths. However, it fails to take into account the… read more here.
Keywords: typical medium; particle quantities; medium dynamical; calculation two ... See more keywords