Examples

Sample application codes for various tasks performed using ED

Table of contents

1. Groundstate energies
2. Full spectrum
3. Time evolution
4. Dynamical spectral functions at \(T=0\)

Groundstate energies

• Groundstate energy of \(S=1/2\) Heisenberg chain, “Hello World”
• Groundstate energy of \(S=1/2\) Heisenberg chain, with momentum conservation

Full spectrum

• Full spectrum of a randomly coupled \(t-J\) model

Time evolution

• Time evolution in the transverse field Ising model
• Time evolution of doublon in a 1D Hubbard chain
• Time evolution of a doped 2D antiferromagnet in the \(t-J\) model

Dynamical spectral functions at \(T=0\)

• Dynamical spin structure factor of \(S=1/2\) Heisenberg chain
• Dynamical spin structure factor of \(S=1/2\) Heisenberg chain, employing momentum conservation

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