radtools.ExchangeParameter.xy

property

property ExchangeParameter.xy: float

Value of exchange parameter \(J_{xy}\).

Added in version 0.8.1.

>>> from radtools.spinham import ExchangeParameter
>>> J = ExchangeParameter(matrix=[[1, 2, 3], [4, 5, 6], [7, 8, 9]])
>>> J.xy
2.0
>>> J.matrix[0][1]
2.0

Returns:

xyfloat

Value of exchange parameter \(J_{xy}\).