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5 papers · 2 filters
Fidelity susceptibility and geometric phase in critical phenomenon
Li-Jun Tian, Chang-Qing Zhu, Hong-Biao Zhang +1
Motivated by recent development in quantum fidelity and fidelity susceptibility, we study relations among Lie algebra, fidelity susceptibility and quantum phase transition for a tw…
Fast atomic transport without vibrational heating
E. Torrontegui, S. Ibáñez, Xi Chen +3
We use the dynamical invariants associated with the Hamiltonian of an atom in a one dimensional moving trap to inverse engineer the trap motion and perform fast atomic transport wi…
Transient energy excitation in shortcuts to adiabaticity for the time dependent harmonic oscillator
Xi Chen, J. G. Muga
There is recently a surge of interest to cut down the time it takes to change the state of a quantum system adiabatically. We study for the time-dependent harmonic oscillator the t…
Shortcut to adiabatic passage in two and three level atoms
Xi Chen, I. Lizuain, A. Ruschhaupt +2
We propose a method to transfer the population and control the state of two-level and three-level atoms speeding-up Adiabatic Passage techniques while keeping their robustness vers…
Quantum algebra in the mixed light pseudoscalar meson states
Li-Jun Tian, Yan-Ling Jin, Ying Jiang
In this paper, we investigate the entanglement degrees of pseudoscalar meson states via quantum algebra Y(su(3)). By making use of transition effect of generators J of Y(su(3)), we…