kwant.builder.Lead

class kwant.builder.Lead

Abstract base class for leads that can be attached to a Builder.

To attach a lead to a builder, append it to the builder’s leads instance variable. See the documentation of kwant.builder for the concrete classes of leads derived from this one.

Attributes

interfacesequence of sites

Methods

abstract finalized()

Return a finalized version of the lead.

Returns

finalized_lead

Notes

The finalized lead must be an object that can be used as a lead in a kwant.system.FiniteSystem, i.e. an instance of kwant.system.InfiniteSystem. Typically it will be a finalized builder: kwant.builder.InfiniteSystem.

The order of sites for the finalized lead must be the one specified in interface.