The Holstein polaron: results from numerical and analytical ... - PiTP

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The Holstein polaron: results from numerical and analytical ... - PiTP

The Holstein polaron: results from numerical and analytical ... - PiTP

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3D Polaron dispersion<br />

L. -C. Ku, S. A. Trugman <strong>and</strong> S. Bonca, Phys. Rev. B 65, 174306 (2002).

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3D Polaron dispersion L. -C. Ku, S. A. Trugman <strong>and</strong> S. Bonca, Phys. Rev. B 65, 174306 (2002).

Page 1 and 2: The Holstein polaron: results from
Page 3 and 4: Model of interest: the Holstein Ham
Page 5 and 6: (spin is irrelevant, N = number of
Page 7 and 8: infinitely strong coupling, t=0 ele
Page 9 and 10: Quantity of interest: the Green’s
Page 11 and 12: Most numerical approaches focus on
Page 13 and 14: Quantum Monte Carlo methods (Kornil
Page 15 and 16: New proposal: the MA (n) hierarchy
Page 20 and 21: λ = 0.5 λ = 1 λ = 2 A(k,ω) in 1
Page 22 and 23: Problems easy to fix improve the a
Page 24 and 25: 1D, Ω=0.5t 1D, Ω=0.1t λ = 0.6 λ
Page 26 and 27: 1D, k=0, Ω=0.5t MA (0) MA (2)
Page 29 and 30: Generalizations: Lucian: multiple
Page 31 and 32: (ii) Spectral weight sum rules (see