Support the construction of bosonic operators (#6518)

**Context:** We need `BoseWords` and `BoseSentences` to help us build vibrational hamiltonians. **Description of the Change:** Add `BoseWords` and `BoseSentences` **Benefits:** **Possible Drawbacks:** **Related GitHub Issues:** [sc-72640] --------- Co-authored-by: ddhawan11 <[email protected]> Co-authored-by: Diksha Dhawan <[email protected]> Co-authored-by: soranjh <[email protected]> Co-authored-by: Utkarsh <[email protected]>
PennyLaneAI · Nov 22, 2024 · 9c1292d · 9c1292d
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diff --git a/doc/releases/changelog-dev.md b/doc/releases/changelog-dev.md
@@ -51,6 +51,9 @@
 
 * Added submodule 'initialize_state' featuring a `create_initial_state` function for initializing a density matrix from `qml.StatePrep` operations or `qml.QubitDensityMatrix` operations.
   [(#6503)](https://github.com/PennyLaneAI/pennylane/pull/6503)
+
+* Added support for constructing `BoseWord` and `BoseSentence`, similar to `FermiWord` and `FermiSentence`.
+  [(#6518)](https://github.com/PennyLaneAI/pennylane/pull/6518)
 
 * Added a second class `DefaultMixedNewAPI` to the `qml.devices.qubit_mixed` module, which is to be the replacement of legacy `DefaultMixed` which for now to hold the implementations of `preprocess` and `execute` methods.
   [(#6607)](https://github.com/PennyLaneAI/pennylane/pull/6507)

diff --git a/pennylane/__init__.py b/pennylane/__init__.py
@@ -39,6 +39,7 @@
     parity_transform,
     bravyi_kitaev,
 )
+from pennylane.bose import BoseSentence, BoseWord
 from pennylane.qchem import (
     taper,
     symmetry_generators,

diff --git a/pennylane/bose/__init__.py b/pennylane/bose/__init__.py
@@ -0,0 +1,3 @@
+"""A module containing utility functions and mappings for working with bosonic operators. """
+
+from .bosonic import BoseWord, BoseSentence
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		@@ -0,0 +1,3 @@
		"""A module containing utility functions and mappings for working with bosonic operators. """

		from .bosonic import BoseWord, BoseSentence