regen notebook

quantumlib · Nov 6, 2024 · 62ea110 · 62ea110
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diff --git a/qualtran/bloqs/phase_estimation/qubitization_qpe.ipynb b/qualtran/bloqs/phase_estimation/qubitization_qpe.ipynb
@@ -61,7 +61,6 @@
     "\n",
     "#### Parameters\n",
     " - `walk`: Bloq representing the Qubitization walk operator to run the phase estimation protocol on.\n",
-    " - `m_bits`: Bitsize of the phase register to be used during phase estimation.\n",
     " - `ctrl_state_prep`: Bloq to prepare the control state on the phase register. Defaults to `OnEach(self.m_bits, Hadamard())`.\n",
     " - `qft_inv`: Bloq to apply inverse QFT on the phase register. Defaults to `QFTTextBook(self.m_bits).adjoint()`  \n",
     "\n",
@@ -213,8 +212,8 @@
    "outputs": [],
    "source": [
     "from qualtran.drawing import show_bloqs\n",
-    "show_bloqs([qubitization_qpe_hubbard_model_small, qubitization_qpe_sparse_chem, qubitization_qpe_chem_thc],\n",
-    "           ['`qubitization_qpe_hubbard_model_small`', '`qubitization_qpe_sparse_chem`', '`qubitization_qpe_chem_thc`'])"
+    "show_bloqs([qubitization_qpe_hubbard_model_small, qubitization_qpe_sparse_chem, qubitization_qpe_chem_thc, qubitization_qpe_ising],\n",
+    "           ['`qubitization_qpe_hubbard_model_small`', '`qubitization_qpe_sparse_chem`', '`qubitization_qpe_chem_thc`', '`qubitization_qpe_ising`'])"
    ]
   },
   {
@@ -241,6 +240,22 @@
     "show_call_graph(qubitization_qpe_hubbard_model_small_g)\n",
     "show_counts_sigma(qubitization_qpe_hubbard_model_small_sigma)"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "49743657",
+   "metadata": {
+    "cq.autogen": "QubitizationQPE.qubitization_qpe_ising"
+   },
+   "outputs": [],
+   "source": [
+    "from qualtran.bloqs.chemistry.ising.walk_operator import get_walk_operator_for_1d_ising_model\n",
+    "from qualtran.bloqs.phase_estimation import RectangularWindowState\n",
+    "\n",
+    "walk, _ = get_walk_operator_for_1d_ising_model(4, 0.1)\n",
+    "qubitization_qpe_ising = QubitizationQPE(walk, RectangularWindowState(4))"
+   ]
   }
  ],
  "metadata": {

diff --git a/qualtran/bloqs/phase_estimation/qubitization_qpe.py b/qualtran/bloqs/phase_estimation/qubitization_qpe.py
@@ -64,7 +64,6 @@ class QubitizationQPE(GateWithRegisters):
     Args:
         walk: Bloq representing the Qubitization walk operator to run the phase estimation protocol
             on.
-        m_bits: Bitsize of the phase register to be used during phase estimation.
         ctrl_state_prep: Bloq to prepare the control state on the phase register. Defaults to
             `OnEach(self.m_bits, Hadamard())`.
         qft_inv: Bloq to apply inverse QFT on the phase register. Defaults to