130 citations · 471 across the 38 of their papers we have counts for
4 papers · 1 filter
Effect of decoherence on the Berry phase of a spin-half in a rotating magnetic field
Xin Li, Yu Shi
We investigate the decoherence effect of a bosonic bath on the Berry phase of a spin-1/2 in a time-dependent magnetic field, without making the Markovian approximation. A two-cycle…
Decoherence of quantum gates based on Aharonov-Anandan phases in a multistep scheme
Xin Li, Yu Shi
We study quantum decoherence of single-qubit and two-qubit Aharonov-Anandan (AA) geometric phase gates realized in a multistep scheme. Each AA gate is also compared with the dynami…
Using Quantum entanglement to study CP and CPT violations
Yu Shi
We report some general phenomenological results concerning CP and CPT violations in joint decays of entangled pseudoscalar neutral mesons.
Number and spin densities in the ground state of a trapped mixture of two pseudospin-1/2 Bose gases with interspecies spin-exchange interaction
Jinlong Wang, Yu Shi
We consider the ground state of a mixture of two pseudospin-$\1/2$ Bose gases with interspecies spin exchange in a trapping potential. In the mean field approach, the ground state…