Anomalous Spin and Charge Dynamics of the t- J Model at Low Doping

R Eder; Y. Ohta; S. Maekawa

doi:10.1103/physrevlett.74.5124

Anomalous Spin and Charge Dynamics of the t- J Model at Low Doping

R Eder, Y. Ohta, S. Maekawa

Research output: Contribution to journal › Article › Academic › peer-review

51 Citations (Scopus)

Abstract

We present an exact diagonalization study of the dynamical spin and density correlation functions in small clusters of 2D
t
−
J
model for hole dopings
≤
25
%. Both correlation functions show a remarkably regular, but very different, scaling with both hole density
ρ
h
and parameters
t
and
J
. The density correlation function is most consistent with that of condensed bosons in a band of width
∼
t
, the spin correlation function with that of fermions in a band of width
∼
J
. We show that the familiar spin bag scenario explains these results in a natural way.

Original language	English
Pages (from-to)	5124-5127
Number of pages	4
Journal	Physical Review Letters
Volume	74
Issue number	25
DOIs	https://doi.org/10.1103/physrevlett.74.5124
Publication status	Published - 19-Jun-1995
Externally published	Yes

Keywords

SUPERCONDUCTIVITY
HOLES

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title = "Anomalous Spin and Charge Dynamics of the t- J Model at Low Doping",

abstract = "We present an exact diagonalization study of the dynamical spin and density correlation functions in small clusters of 2D t−J model for hole dopings ≤25%. Both correlation functions show a remarkably regular, but very different, scaling with both hole density ρh and parameters t and J. The density correlation function is most consistent with that of condensed bosons in a band of width ∼t, the spin correlation function with that of fermions in a band of width ∼J. We show that the familiar spin bag scenario explains these results in a natural way.",

keywords = "SUPERCONDUCTIVITY, HOLES",

author = "R Eder and Y. Ohta and S. Maekawa",

note = "Journal JUN 19 RD283 PHYS REV LETT",

year = "1995",

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doi = "10.1103/physrevlett.74.5124",

language = "English",

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T1 - Anomalous Spin and Charge Dynamics of the t- J Model at Low Doping

AU - Eder, R

AU - Ohta, Y.

AU - Maekawa, S.

N1 - Journal JUN 19 RD283 PHYS REV LETT

PY - 1995/6/19

Y1 - 1995/6/19

N2 - We present an exact diagonalization study of the dynamical spin and density correlation functions in small clusters of 2D t−J model for hole dopings ≤25%. Both correlation functions show a remarkably regular, but very different, scaling with both hole density ρh and parameters t and J. The density correlation function is most consistent with that of condensed bosons in a band of width ∼t, the spin correlation function with that of fermions in a band of width ∼J. We show that the familiar spin bag scenario explains these results in a natural way.

AB - We present an exact diagonalization study of the dynamical spin and density correlation functions in small clusters of 2D t−J model for hole dopings ≤25%. Both correlation functions show a remarkably regular, but very different, scaling with both hole density ρh and parameters t and J. The density correlation function is most consistent with that of condensed bosons in a band of width ∼t, the spin correlation function with that of fermions in a band of width ∼J. We show that the familiar spin bag scenario explains these results in a natural way.

KW - SUPERCONDUCTIVITY

KW - HOLES

U2 - 10.1103/physrevlett.74.5124

DO - 10.1103/physrevlett.74.5124

M3 - Article

SN - 0031-9007

VL - 74

SP - 5124

EP - 5127

JO - Physical Review Letters

JF - Physical Review Letters

IS - 25

ER -

Anomalous Spin and Charge Dynamics of the t- J Model at Low Doping

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Keywords

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