diff --git a/第二个论文/PhysRevLett.134.096903.pdf b/第二个论文/PhysRevLett.134.096903.pdf
new file mode 100644
index 0000000..3eb6544
--- /dev/null
+++ b/第二个论文/PhysRevLett.134.096903.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b0e624ba9c863aa6f5d633c0690c74680c6397cd13e165e8d7a7f840cfd6622c
+size 2726713