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Generate all bitstrings with a definite bit count starting from an initial
fqe.bitstring.lexicographic_bitstring_generator(
str0: int,
norb: int
) -> List[int]
state
Args | |
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str0 (bitstring) - integer representing bitstring ground state
norb (int) - number of spatial orbitals to distribute the particles into |
Returns | |
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| list[bitstrings] - a list of bitstrings representing the occupation states |