Temperature dependence of spinon and holon excitations in one-dimensional Mott insulators

Abstract

Motivated by the recent angle-resolved photoemission spectroscopy (ARPES) measurements on one-dimensional Mott insulators, SrCuO${}_2$ and Na${}_{0.96}$V${}_2$O${}_5$, we examine the single-particle spectral weight of the one-dimensional (1D) Hubbard model at half-filling. We are particularly interested in the temperature dependence of the spinon and holon excitations. For this reason, we have performed the dynamical density matrix renormalization group and determinantal quantum Monte Carlo (QMC) calculations for the single-particle spectral weight of the 1D Hubbard model. In the QMC data, the spinon and holon branches become observable at temperatures where the short-range antiferromagnetic correlations develop. At these temperatures, the spinon branch grows rapidly. In the light of the numerical results, we discuss the spinon and holon branches observed by the ARPES experiments on SrCuO${}_2$. These numerical results are also in agreement with the temperature dependence of the ARPES results on Na${}_{0.96}$V${}_2$O${}_5$.

arXiv comment8 pages, 8 figures

References in corpus (11)

• Dynamical density-matrix renormalization-group method
• Dynamical Correlation Functions using the Density Matrix Renormalization Group
• Density matrix algorithm for the calculation of dynamical properties of low dimensional systems
• Spectral function of the one-dimensional Hubbard model away from half filling
• Shadow band in the one-dimensional large $U$ Hubbard model
• Spectral functions of the 1D Hubbard model in the U -> \infty limit: How to use the factorized wave-function
• Spectral properties of the one-dimensional Hubbard model
• Spin-Charge Separation in Angle-Resolved Photoemission Spectra
• Finite Temperature Effects in One-dimensional Mott-Hubbard Insulator: Angle-Resolved Photoemission Study of Na_{0.96}V_{2}O_{5}
• Finite temperature spectral-functions of strongly correlated one-dimensional electron systems
• Effect of Thermal Fluctuation on Spectral Function for the Tomonaga-Luttinger Model

Cited by in corpus (19)

• New Trends in Density Matrix Renormalization
• Spectral properties of a spin-incoherent Luttinger Liquid
• Spin and charge dynamics of the one-dimensional extended Hubbard model
• Finite temperature dynamics of the Mott insulating Hubbard chain
• Quantum Monte Carlo Study of Strongly Correlated Electrons: Cellular Dynamical Mean-Field Theory
• Phonon Effects on Spin-Charge Separation in One Dimension
• Electron-phonon coupling and spin-charge separation in one-dimensional Mott insulators
• Temperature dependence of spectral functions for the one-dimensional Hubbard model: comparison with experiments
• Doping of a One-Dimensional Mott Insulator: Photoemision and Optical Studies of Sr${}_2$CuO${}_{3+\delta }$
• Dimensional-crossover-driven Mott transition in the frustrated Hubbard model
• Nonequilibrium optical response of a one-dimensional Mott insulator
• Spin and charge dynamics of a quasi-one-dimensional antiferromagnetic metal
• Anomalous temperature dependence of the single-particle spectrum in the organic conductor TTF-TCNQ
• A charge model as an effective model of one-dimensional Hubbard and extended Hubbard systems: its application to linear optical spectrum calculations in large systems based upon many-body Wannier functions
• Beyond perturbation theory: A time-dependent approach to inelastic scattering spectroscopies in- and away from equilibrium
• Flat bands and temperature-driven phase transition in quasi-one-dimensional zigzag chains
• Spin-charge decoupling and the photoemission line-shape in one dimensional insulators
• Temperature-driven change in band structure reflecting spin-charge separation of Mott and Kondo insulators
• Emergence and evolution of electronic modes with temperature in spin-gapped Mott and Kondo insulators