St\"uckelberg Formulation of Holography

Understand

We suggest that holography can be formulated in terms of the information capacity of the St\"uckelberg degrees of freedom that maintain gauge invariance of the theory in the presence of an information boundary.

• These St\"uckelbergs act as qubits that account for a certain fraction of quantum information.
• Their information capacity is measured by the ratio of the inverse St\"uckelberg energy gap to the size of the system.
• Systems with the smallest gap are maximally holographic.