Chemical bonding and size scaling of nonlinear polarizabilities of conjugated polymers

Sergei Tretiak; Vladimir Chernyak; Shaul Mukamel

doi:10.1103/PhysRevLett.77.4656

Chemical bonding and size scaling of nonlinear polarizabilities of conjugated polymers

Sergei Tretiak
, Vladimir Chernyak
, Shaul Mukamel

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

62 Scopus citations

Abstract

Using sum rules for spectral moments of linear and nonlinear absorption we show that the jth order off-resonant polarizabilities of polyacetylene chains scale as jΔ^-jN^j+1/\(N+L\)^j N is the number of carbon atoms, Δ the bond-length alternation, and L\(Δ\) the exciton coherence size. This result is in excellent agreement with time-dependent Hartree-Fock calculations performed for chains with up to 200 carbon atoms.

Original language	English
Pages (from-to)	4656-4659
Number of pages	4
Journal	Physical Review Letters
Volume	77
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.77.4656
State	Published - Jan 1 1996
Externally published	Yes

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title = "Chemical bonding and size scaling of nonlinear polarizabilities of conjugated polymers",

abstract = "Using sum rules for spectral moments of linear and nonlinear absorption we show that the jth order off-resonant polarizabilities of polyacetylene chains scale as jΔ-jNj+1/\textbackslash{}(N+L\textbackslash{})j N is the number of carbon atoms, Δ the bond-length alternation, and L\textbackslash{}(Δ\textbackslash{}) the exciton coherence size. This result is in excellent agreement with time-dependent Hartree-Fock calculations performed for chains with up to 200 carbon atoms.",

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year = "1996",

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AU - Tretiak, Sergei

AU - Chernyak, Vladimir

AU - Mukamel, Shaul

PY - 1996/1/1

Y1 - 1996/1/1

N2 - Using sum rules for spectral moments of linear and nonlinear absorption we show that the jth order off-resonant polarizabilities of polyacetylene chains scale as jΔ-jNj+1/\(N+L\)j N is the number of carbon atoms, Δ the bond-length alternation, and L\(Δ\) the exciton coherence size. This result is in excellent agreement with time-dependent Hartree-Fock calculations performed for chains with up to 200 carbon atoms.

AB - Using sum rules for spectral moments of linear and nonlinear absorption we show that the jth order off-resonant polarizabilities of polyacetylene chains scale as jΔ-jNj+1/\(N+L\)j N is the number of carbon atoms, Δ the bond-length alternation, and L\(Δ\) the exciton coherence size. This result is in excellent agreement with time-dependent Hartree-Fock calculations performed for chains with up to 200 carbon atoms.

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U2 - 10.1103/PhysRevLett.77.4656

DO - 10.1103/PhysRevLett.77.4656

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EP - 4659

JO - Physical Review Letters

JF - Physical Review Letters

IS - 22

ER -

Chemical bonding and size scaling of nonlinear polarizabilities of conjugated polymers

Abstract

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