Ffsim

What's Changed
* add to_molecular_hamiltonian and _diag_ to df hamiltonian by kevinsung in https://github.com/qiskit-community/ffsim/pull/287
* use more accurate trace in docs and tests by kevinsung in https://github.com/qiskit-community/ffsim/pull/288
* add CISD to MolecularData by kevinsung in https://github.com/qiskit-community/ffsim/pull/289
* simplify molecular data run methods by kevinsung in https://github.com/qiskit-community/ffsim/pull/290
* add SCI data to molecular data by kevinsung in https://github.com/qiskit-community/ffsim/pull/293


**Full Changelog**: https://github.com/qiskit-community/ffsim/compare/v0.0.41...v0.0.42

What's Changed
* handle real vectors in hamiltonian linop by kevinsung in https://github.com/qiskit-community/ffsim/pull/266
* add diagonal coulomb trotter by kevinsung in https://github.com/qiskit-community/ffsim/pull/267
* remove TODO from trotter tests by kevinsung in https://github.com/qiskit-community/ffsim/pull/269
* separate real and complex molecular hamiltonian linop by kevinsung in https://github.com/qiskit-community/ffsim/pull/270
* don't attempt to compute dipole integrals and orbital symmetries by kevinsung in https://github.com/qiskit-community/ffsim/pull/271
* add MolecularData.to_fcidump by kevinsung in https://github.com/qiskit-community/ffsim/pull/272
* Add number operator sum evolution Qiskit gate by kevinsung in https://github.com/qiskit-community/ffsim/pull/273
* add random_double_factorized_hamiltonian by kevinsung in https://github.com/qiskit-community/ffsim/pull/274
* Add double-factorized Trotter simulation Qiskit gate by kevinsung in https://github.com/qiskit-community/ffsim/pull/275
* add num op sum and df trotter to qiskit notebooks by kevinsung in https://github.com/qiskit-community/ffsim/pull/276
* Support double-factorized trotter gate in FfsimSampler by kevinsung in https://github.com/qiskit-community/ffsim/pull/277
* use nao instead of nao_nr() by kevinsung in https://github.com/qiskit-community/ffsim/pull/278
* define __array__ for StateVector by kevinsung in https://github.com/qiskit-community/ffsim/pull/280
* Add Qiskit Jordan-Wigner transform by kevinsung in https://github.com/qiskit-community/ffsim/pull/281
* add BitstringType enum to support multiple bitstring types by kevinsung in https://github.com/qiskit-community/ffsim/pull/282
* deprecate indices_to_strings and strings_to_indices in favor of addresses_to_strings and strings_to_addresses by kevinsung in https://github.com/qiskit-community/ffsim/pull/283
* implement bitstring conversion from bit array by kevinsung in https://github.com/qiskit-community/ffsim/pull/284
* trotter: simulate global phase by kevinsung in https://github.com/qiskit-community/ffsim/pull/285


**Full Changelog**: https://github.com/qiskit-community/ffsim/compare/v0.0.40...v0.0.41

What's Changed
* add default values for orbs and shots to sample_state_vector by kevinsung in https://github.com/qiskit-community/ffsim/pull/261
* support non-concatenated bitstrings by kevinsung in https://github.com/qiskit-community/ffsim/pull/262
* add MolecularData.from_fcidump and deprecate MolecularHamiltonian.fcidump by kevinsung in https://github.com/qiskit-community/ffsim/pull/264


**Full Changelog**: https://github.com/qiskit-community/ffsim/compare/v0.0.39...v0.0.40

What's Changed
* support open shell in MolecularData by kevinsung in https://github.com/qiskit-community/ffsim/pull/259
* Support JSON serialization for MolecularData by kevinsung in https://github.com/qiskit-community/ffsim/pull/258
* linear method: change default regularization to 1e-4 by kevinsung in https://github.com/qiskit-community/ffsim/pull/260


**Full Changelog**: https://github.com/qiskit-community/ffsim/compare/v0.0.38...v0.0.39

What's Changed
* add from_fcidump and _approx_eq_ methods to MolecularHamiltonian by kevinsung in https://github.com/qiskit-community/ffsim/pull/243
* increase pyscf requirement to 2.4 by kevinsung in https://github.com/qiskit-community/ffsim/pull/245
* Add functions to return spin-separated RDMs by kevinsung in https://github.com/qiskit-community/ffsim/pull/248
* add conversions between addresses and strings as ints by kevinsung in https://github.com/qiskit-community/ffsim/pull/249
* Expose sample_state_vector by kevinsung in https://github.com/qiskit-community/ffsim/pull/250
* expose final_state_vector by kevinsung in https://github.com/qiskit-community/ffsim/pull/251
* rename random_statevector -> random_state_vector by kevinsung in https://github.com/qiskit-community/ffsim/pull/252
* Drop Python 3.8 by kevinsung in https://github.com/qiskit-community/ffsim/pull/254
* use np.ascontiguousarray and remove unnecessary copy by kevinsung in https://github.com/qiskit-community/ffsim/pull/255
* Validate UCJ dataclasses by kevinsung in https://github.com/qiskit-community/ffsim/pull/256


**Full Changelog**: https://github.com/qiskit-community/ffsim/compare/v0.0.37...v0.0.38

What's Changed
* add complex phase to givens rotation by kevinsung in https://github.com/qiskit-community/ffsim/pull/236
* Givens ansatz by kevinsung in https://github.com/qiskit-community/ffsim/pull/237
* add spin-balanced num-num ansatz by kevinsung in https://github.com/qiskit-community/ffsim/pull/238
* Add diagonal Coulomb Hamiltonian class by bartandrews in https://github.com/qiskit-community/ffsim/pull/193
* Fix docstring for fermi_hubbard_1d by bartandrews in https://github.com/qiskit-community/ffsim/pull/199
* add full layers when initializing givens ansatz op from orbital rotation by kevinsung in https://github.com/qiskit-community/ffsim/pull/241
* Fix incorrect creation of fully parameterized Givens rotation network by kevinsung in https://github.com/qiskit-community/ffsim/pull/242


**Full Changelog**: https://github.com/qiskit-community/ffsim/compare/v0.0.36...v0.0.37