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Hilbert-space bases, sectors, symmetries, and projectors.
Structs§
- Basis
Projector - Sparse isometric lift from a symmetry-reduced basis to its parent basis.
- Boson
Basis1D - Truncated on-site boson basis.
- Boson
Basis Builder - Builder for a full or fixed-particle bosonic lattice basis.
- Closure
Symmetry Map - Closure-backed finite map for lattice, particle-hole, or user symmetries.
- Erased
State - Runtime-selected fixed-width basis state.
- General
Basis - Lattice
Symmetry Map - Runtime-owned finite symmetry of a packed lattice state.
- Local
Occupation Constraint - Site-local constraint for packed binary species.
- Matrix
Symmetry Reducer - Finite symmetry generators carrying a common unitary matrix representation.
- Matrix
Symmetry Subspace - Orthonormal columns spanning one selected row of a finite-group matrix representation.
- Packed
Photon Basis - Runtime-erased matter basis tensored with one truncated photon mode.
- Packed
Tensor Basis - Owned type-erased basis for frontends that choose a built-in basis at runtime.
- Photon
Basis - Matter basis tensored with one truncated photon mode, optionally at fixed total excitation number.
- Reduction
Image - Canonical image of one physical state under a basis reduction.
- Spin
Basis1D - Spin-chain basis for the full or fixed-magnetization spin space.
- Spin
Basis Builder - Builder for full, conserved, or symmetry-reduced spin-chain bases.
- Spinful
Fermion Basis1D - Two-flavor fermion basis with all up orbitals ordered before all down orbitals.
- Spinful
Fermion Basis Builder - Builder for full or number-conserving two-species fermion spaces.
- Spinless
Fermion Basis1D - Single-flavor fermion basis.
- Spinless
Fermion Basis Builder - Builder for full, fixed-number, or momentum-reduced spinless Fock spaces.
- Symmetry
Orbit - Result of reducing one physical state without materializing a basis.
- Symmetry
Reducer - Finite generators and sector phases that extend to a one-dimensional character of the generated group.
- Tensor
Basis - Direct-product basis. Operator strings use
left|rightfactor syntax. - User
Basis - Callback-defined constrained basis using the same assembly path as built-ins.
- User
Basis Builder - Wide
Spin Basis - Spin-half basis backed by a fixed-width state, including sites above 127.
- Wide
State - Fixed-width state used by wide user and general bases.
Enums§
- Exchange
Statistics - Exchange statistics used when a lattice map reorders local degrees of freedom.
- Packed
Basis - Representative
Ordering - Arbitrary finite-map reduction of any concrete parent basis.
- Spin
Normalization - Normalization of local spin operators.
- State
Storage - Wide
Packed Basis - Runtime-selected wide spin basis used by persistent language-neutral models.
Traits§
- Basis
- Finite Hilbert-space basis and its local operator semantics.
- Binary
State - Integer-like binary occupation state used by sector-native subsystem contractions.
- Symmetry
Map - Finite symmetry action, including any phase acquired by the state.
Functions§
- basis_
int_ to_ python_ int - basis_
ones - basis_
zeros - bitwise_
and - bitwise_
leftshift - bitwise_
not - bitwise_
or - bitwise_
rightshift - bitwise_
xor - coherent_
state - get_
basis_ type - photon_
hspace_ dim - Dimension of a spin-half chain plus one photon mode at fixed excitation.
- python_
int_ to_ basis_ int - state_
from_ biguint - Convert an arbitrary-precision nonnegative integer into a fixed-width basis state without truncating high words.
- state_
to_ biguint - Convert a fixed-width state to an arbitrary-precision integer.
Type Aliases§
- Boson
Basis General - Local
Transitions - Compact collection of local-operator destinations.
- Spin
Basis General - Spinful
Fermion Basis General - Spinless
Fermion Basis General - U256
- U1024
- U4096
- U16384
- User
Basis General - Wide
Spin Basis256 - Wide
Spin Basis1024 - Wide
Spin Basis4096 - Wide
Spin Basis16384 - Wide
Spin Basis General256 - Wide
Spin Basis General1024 - Wide
Spin Basis General4096 - Wide
Spin Basis General16384