From 1574355727945d2ca0f360ff6b3c833d8f89def7 Mon Sep 17 00:00:00 2001
From: Alessandro Santini
 <76155864+Alessandro-Santini@users.noreply.github.com>
Date: Fri, 27 May 2022 17:01:54 +0200
Subject: [PATCH] commit

---
 ...TimeEvolvingBlockDecimation.cpython-38.pyc | Bin 2322 -> 2322 bytes
 .../__pycache__/states.cpython-38.pyc         | Bin 840 -> 1283 bytes
 spin_systems/states.py                        |  13 +++++++++++++
 3 files changed, 13 insertions(+)

diff --git a/algorithms/__pycache__/iTimeEvolvingBlockDecimation.cpython-38.pyc b/algorithms/__pycache__/iTimeEvolvingBlockDecimation.cpython-38.pyc
index db0121651e419e8fc42c46fc60a1740f21a782b7..760b1a9c5247727c9893a7e2553fa3b1d8743655 100644
GIT binary patch
delta 22
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delta 22
ccmbOvG)agzl$V!_0SJCQoRG9^BQGl_06)?O4gdfE

diff --git a/spin_systems/__pycache__/states.cpython-38.pyc b/spin_systems/__pycache__/states.cpython-38.pyc
index 53959c785e85a96b4b6327bf646c2650647157b0..21e690233224b176e0516ded08148c3da8eb84d5 100644
GIT binary patch
delta 468
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delta 89
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diff --git a/spin_systems/states.py b/spin_systems/states.py
index a56ecba..89d22a5 100644
--- a/spin_systems/states.py
+++ b/spin_systems/states.py
@@ -13,6 +13,19 @@ def all_down(L):
     psi.center = 0
     return psi
 
+def all_up_along_x(L):
+    tensors = [1/np.sqrt(2)*np.array([1.,1.]).reshape(1,2,1)]*L
+    psi =  MPS(L,tensors = tensors)
+    psi.center = 0
+    return psi
+
+def all_down_along_x(L):
+    tensors = [1/np.sqrt(2)*np.array([1.,-1.]).reshape(1,2,1)]*L
+    psi =  MPS(L,tensors = tensors)
+    psi.center = 0
+    return psi
+
+
 def Neel(L):
     tensors = [np.array([1.,0.]).reshape(1,2,1),np.array([0.,1.]).reshape(1,2,1)]*(L//2)
     psi =  MPS(L,tensors = tensors)