Maximal entanglement concentration for $(n+1)$-qubit states

Anindita Banerjee, Chitra Shukla, Anirban Pathak

We propose two schemes for concentration of $(n+1)$-qubit entangled states that can be written in the form of $(\alpha |{\phi }_0⟩|0⟩+\beta |{\phi }_1⟩|1⟩{)}_{n+1}$ where $|φ_{0…