The Geometric Phase in Quantum Electrodynamics

David Thomas Pegg, Stephen Mark Barnett, Joan A. Vaccaro

Changyong Chen

We give the brief review on the related definition of the geometric phase independent of specific physical system based on the displacement opreator and the sqeezed operator, then show how the displacement operator and the squeezed operator can induce the general geometric phase. By means of the displacement operator and the squeezed operator concerning the circuit cavity mode state along a closed path in the phase space, we discuss specifically how to implement a two-qubit geometric phase gate in circuit quantum electrodynamics with both single photon interaction and two-photon interaction between the superconducting qubits and the circuit cavity modes. The experimental feasibility is discussed in detail.

Gao Xiao-Chun

We propose a quantum electrodynamic model for the description of the time evolution of the quantum states of the photons in an optical fibre. By means of this model, we are able to make three interesting predictions related to the geometric phases for photons.

Arno Böhm

高孝纯

We propose a quantum electrodynamic model for the description of the time evolution of the quantum states of the photons in an optical fibre.By means of this model,we are able th make three interesting predictions related to the geometric phases for photons.

Arno Böhm, Ali Mostafazadeh, Hiroyasu Koizumi +2 more