3 papers
quant-ph2025
Circuit Design for a Star-shaped Spin-Qubit Processor via Algebraic Decomposition and Optimal Control
Yaqing X. Wang, Tommaso Calarco, Felix Motzoi +1
As quantum processing units grow in size and precision we enter the stage where quantum algorithms can be tested on actual quantum devices. To implement a given quantum circuit on…
quant-ph2024
Entanglement in bipartite X-states: Analytical results for the volume of states with positive partial transpose
Yaqing Xy Wang, József Zsolt Bernád
We provide an analytical formula for the volume ratio between bipartite X-states with positive partial transpose and all bipartite X-states. The result applies to arbitrary $m \tim…
math.AP2024
Global Well-posedness for the Fourth-order Nonlinear Schrodinger Equation
Mingjuan Chen, Yufeng Lu, Yaqing Wang
The local and global well-posedness for the one dimensional fourth-order nonlinear Schrödinger equation are established in the modulation space for an…