From the 1 of 7 linked papers with an AI index.
7 papers
Bridging continuous control and Floquet driving for charging many-body spin chains
Sebastián V. Romero, Xi Chen, Yue Ban
The paper reviews spin-chain quantum batteries, linking continuous control and Floquet-driven periodic driving as methods for charging many-body spin systems, and discusses protoco…
Weighted Nested Commutators for Scalable Counterdiabatic State Preparation
Jialiang Tang, Xi Chen, Zhi-Yuan Wei
Counterdiabatic (CD) driving enables efficient quantum state preparation, but it requires implementing highly nonlocal adiabatic gauge potentials (AGP) that are impractical to comp…
Kicked-Ising Quantum Battery
Sebastián V. Romero, Xi Chen, Yue Ban
Entanglement has been identified as a key resource for enhancing charging performance in quantum batteries. We show that the kicked-Ising model at the self-dual point provides an e…
Scrambling in the Charging of Quantum Batteries
Sebastián V. Romero, Yongcheng Ding, Xi Chen +1
Exponentially fast scrambling of an initial state characterizes quantum chaotic systems. Given the importance of quickly populating higher energy levels from low-energy states in q…
Quantum control of a random transverse Ising spin system
C. Whitty, E. Ya. Sherman, Xi Chen +1
We consider subspace transfer within the time-dependent one-dimensional quantum transverse Ising model, with random nearest-neighbor interactions and a transverse field. We run num…
Algorithm-Oriented Qubit Mapping for Variational Quantum Algorithms
Yanjun Ji, Xi Chen, Ilia Polian +1
Quantum algorithms implemented on near-term devices require qubit mapping due to noise and limited qubit connectivity. In this paper we propose a strategy called algorithm-oriented…