chainTB code
The chainTB module models a one-dimensional tight-binding dimer chain
with real and/or complex valued hoppings and onsite energies.
chainTB is available at https://github.com/cpoli/TB
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class
chainTB.eigChain(lat)[source]
Child of the class eigTB. Dedicated to chains along 
.
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set_hop_alt(ho)[source]
Set chain alternating hoppings.
| Parameters: |
- ta – Hopping
 .
- tb – Default value 0. Hopping
 .
If tb=0, t_{ba}=t_{ab}
|
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set_dim_defect(dim)[source]
Set dimerization defects.
| Parameters: | dim – Array. Indices of the dimerization defects. |
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get_params()[source]
Set parameters used to store figures.
| Parameters: | on – Array. Sublattices onsite energies. |
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class
chainTB.plotChain(sys)[source]
Child of class plotTB. Dedicated to Graphene.
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plt_dispersion(ta, tb=0.0, lw=5, fs=20)[source]
Plot infinite chain dispersion relation.
| Parameters: |
- ta – Hopping .
- tb – Default value 0. Hopping .
- lw – Default value 5. Linewidth.
- fs – Default value 20. Fontsize.
|
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plt_chain_hop(ms=20, fs=20)[source]
Plot chain in hopping space.
| Parameters: |
- ms – Default value 20. Markersize.
- fs – Default value 20. Font size.
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