From 626be82d58c91913d4963a6bc3437e040fa27baa Mon Sep 17 00:00:00 2001
From: "Victor V. Albert" <valbert4@gmail.com>
Date: Tue, 31 Oct 2023 16:22:22 +1100
Subject: [PATCH] ea branch

---
 codes/quantum/oscillators/ea_oscillators.yml  | 28 ++++++++++++++++++
 .../hyperplane/ea_analog_stabilizer.yml       |  3 +-
 .../quantum/qubits/ea_qubits_into_qubits.yml  | 29 +++++++++++++++++++
 codes/quantum/qubits/stabilizer/eastab.yml    |  4 +--
 codetree/kingdoms.yml                         |  2 ++
 5 files changed, 63 insertions(+), 3 deletions(-)
 create mode 100644 codes/quantum/oscillators/ea_oscillators.yml
 create mode 100644 codes/quantum/qubits/ea_qubits_into_qubits.yml

diff --git a/codes/quantum/oscillators/ea_oscillators.yml b/codes/quantum/oscillators/ea_oscillators.yml
new file mode 100644
index 000000000..b54d57d06
--- /dev/null
+++ b/codes/quantum/oscillators/ea_oscillators.yml
@@ -0,0 +1,28 @@
+#######################################################
+## This is a code entry in the error correction zoo. ##
+##       https://github.com/errorcorrectionzoo       ##
+#######################################################
+
+code_id: ea_oscillators
+physical: oscillators
+logical: oscillators
+
+name: 'EA bosonic code'
+
+description: |
+  Bosonic code designed to utilize pre-shared entanglement between sender and receiver.
+
+relations:
+  parents:
+    - code_id: eaqecc
+  cousins:
+    - code_id: oscillators
+      detail: 'EA bosonic codes utilize additional ancillary modes in a pre-shared entangled state, but reduce to ordinary bosonic codes when said modes are interpreted as noiseless physical modes.'
+
+
+# Begin Entry Meta Information
+_meta:
+  # Change log - most recent first
+  changelog:
+    - user_id: VictorVAlbert
+      date: '2023-10-31'
diff --git a/codes/quantum/oscillators/stabilizer/hyperplane/ea_analog_stabilizer.yml b/codes/quantum/oscillators/stabilizer/hyperplane/ea_analog_stabilizer.yml
index 818a01cb7..874421c62 100644
--- a/codes/quantum/oscillators/stabilizer/hyperplane/ea_analog_stabilizer.yml
+++ b/codes/quantum/oscillators/stabilizer/hyperplane/ea_analog_stabilizer.yml
@@ -15,9 +15,10 @@ description: |
 
 relations:
   parents:
+    - code_id: ea_oscillators
+  cousins:
     - code_id: analog_stabilizer
       detail: 'EA analog stabilizer codes utilize additional ancillary modes in a pre-shared entangled state, but reduce to ordinary analog stabilizer codes when said modes are interpreted as noiseless physical modes.'
-    - code_id: eaqecc
 
 
 # Begin Entry Meta Information
diff --git a/codes/quantum/qubits/ea_qubits_into_qubits.yml b/codes/quantum/qubits/ea_qubits_into_qubits.yml
new file mode 100644
index 000000000..51c094d6c
--- /dev/null
+++ b/codes/quantum/qubits/ea_qubits_into_qubits.yml
@@ -0,0 +1,29 @@
+#######################################################
+## This is a code entry in the error correction zoo. ##
+##       https://github.com/errorcorrectionzoo       ##
+#######################################################
+
+code_id: ea_qubits_into_qubits
+physical: qubits
+logical: qubits
+
+name: 'EA qubit code'
+
+description: |
+  Qubit code designed to utilize pre-shared entanglement between sender and receiver.
+
+
+relations:
+  parents:
+    - code_id: eaqecc
+  cousins:
+    - code_id: qubits_into_qubits
+      detail: 'EA qubit codes utilize additional ancillary qubits in a pre-shared entangled state, but reduce to ordinary qubit codes when said qubits are interpreted as noiseless physical qubits.'
+
+
+# Begin Entry Meta Information
+_meta:
+  # Change log - most recent first
+  changelog:
+    - user_id: VictorVAlbert
+      date: '2023-10-31'
diff --git a/codes/quantum/qubits/stabilizer/eastab.yml b/codes/quantum/qubits/stabilizer/eastab.yml
index 7490d8263..373704947 100644
--- a/codes/quantum/qubits/stabilizer/eastab.yml
+++ b/codes/quantum/qubits/stabilizer/eastab.yml
@@ -28,10 +28,10 @@ notes:
 
 relations:
   parents:
+    - code_id: ea_qubits_into_qubits
+  cousins:
     - code_id: qubit_stabilizer
       detail: 'EA qubit stabilizer codes utilize additional ancillary qubits in a pre-shared entangled state, but reduce to qubit stabilizer codes when said qubits are interpreted as noiseless physical qubits.'
-    - code_id: eaqecc
-  cousins:
     - code_id: binary_linear
       detail: 'Any linear binary code can be used to construct an EA qubit stabilizer code.'
     - code_id: q-ary_linear
diff --git a/codetree/kingdoms.yml b/codetree/kingdoms.yml
index 03efaca5e..78458aa72 100644
--- a/codetree/kingdoms.yml
+++ b/codetree/kingdoms.yml
@@ -45,6 +45,7 @@ kingdoms_by_domain_id:
       root_codes:
         - code_id: qubits_into_qubits
         - code_id: subsystem_qubits_into_qubits
+        - code_id: ea_qubits_into_qubits
 
     - kingdom_id: qudits_into_qudits
       name: 'Modular-qudit Kingdom'
@@ -62,6 +63,7 @@ kingdoms_by_domain_id:
       name: 'Bosonic Kingdom'
       root_codes:
         - code_id: oscillators
+        - code_id: ea_oscillators
 
     - kingdom_id: spins_into_spins
       name: 'Spin Kingdom'