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Shortcuts to adiabaticity (STA) are fast methods to realize the same final state evolution of quantum adiabatic process. We develop a general theory to construct a new kind of STA by solely sampling the points of the adiabatic path of the…

量子物理 · 物理学 2023-02-14 Yiyao Liu , Zhen-Yu Wang

Adiabatic evolutions find widespread utility in applications to quantum state engineering, geometric quantum computation, and quantum simulation. Although offering robustness to experimental imperfections, adiabatic processes are…

Shortcuts to adiabaticity (STA) are powerful quantum control methods, allowing quick evolution into target states of otherwise slow adiabatic dynamics. Such methods have widespread applications in quantum technologies, and various STA…

量子物理 · 物理学 2022-02-02 Zelong Yin , Chunzhen Li , Jonathan Allcock , Yicong Zheng , Xiu Gu , Maochun Dai , Shengyu Zhang , Shuoming An

We investigate a time-efficient and robust preparation of spin-squeezed states -- a class of states of interest for quantum-enhanced metrology -- in internal bosonic Josephson junctions with a time-dependent nonlinear coupling strength…

量子物理 · 物理学 2023-11-20 Manuel Odelli , Vladimir M. Stojanovic , Andreas Ruschhaupt

We propose a fast mixed-state control scheme to transfer the quantum state along designable trajectories in Hilbert space, which is robust to multiple decoherence noises. Starting with the dynamical invariants of open quantum systems, we…

量子物理 · 物理学 2022-01-05 S. L. Wu , W. Ma , X. L. Huang , Xuexi Yi

Shortcuts to adiabaticity (STA) are fast routes to the final results of slow, adiabatic changes of the controlling parameters of a system. The shortcuts are designed by a set of analytical and numerical methods suitable for different…

量子物理 · 物理学 2019-11-11 D. Guéry-Odelin , A. Ruschhaupt , A. Kiely , E. Torrontegui , S. Martínez-Garaot , J. G. Muga

Shortcut to adiabaticity (STA) is a speed way to produce the same final state that would result in an adiabatic, infinitely slow process. Two typical techniques to engineer STA are developed by either introducing auxiliary counterdiabatic…

量子物理 · 物理学 2021-07-07 Jian-jian Cheng , Yao Du , Lin Zhang

Rapid and efficient preparation, manipulation and transfer of quantum states through an array of quantum dots (QDs) is a demanding requisite task for quantum information processing and quantum computation in solid-state physics.…

介观与纳米尺度物理 · 物理学 2018-10-12 Yue Ban , Xi Chen , Gloria Platero

A shortcut to adiabaticity (STA) is concerned with the fast and robust manipulation of the dynamics of a quantum system that reproduces the effect of an adiabatic process. A recently proposed method enables the generation of shortcuts from…

Shortcuts to adiabaticity (STA) make the fast preparation of many-body states possible, circumventing the limitations of adiabatic strategies. We propose a fast STA protocol for generating interacting states in the Tomonaga-Luttinger liquid…

量子物理 · 物理学 2025-03-25 Léonce Dupays , Adolfo del Campo

Recently, the technique of counterdiabatic driving, which provides an effective strategy for accelerating adiabatic quantum evolution, has been widely applied in the preparation of many-body quantum states. In this work, we propose a…

量子物理 · 物理学 2026-05-15 Fengzhe Tang , Gangcheng Wang

In this paper, we study the fast and noise-resistant population transfer, quantum entangled states preparation, and quantum entangled states' transition by constructing the shortcuts to adiabatic passage (STAP) for multiparticle based on…

量子物理 · 物理学 2014-09-29 Ye-Hong Chen , Yan Xia , Qing-Qin Chen , Jie Song

Quantum computers attract much attention as they promise to outperform their classical counterparts in solving certain type of problems. One of them with practical applications in quantum chemistry is simulation of complex quantum systems.…

量子物理 · 物理学 2014-07-08 Libor Veis , Jiří Pittner

The fractional shortcut to adiabaticity (f-STA) for production of quantum superposition states is proposed firstly via a three-level system with $\Lambda$-type linkage pattern and a four-level system with tripod structure.…

量子物理 · 物理学 2025-02-13 Guan-Qiang Li , Hao Guo , Yu-Qi Zhang , Bo Yang , Ping Peng

We study shortcuts to adiabaticity (STAs) through counterdiabatic driving in quantum critical systems in the presence of dissipation. We evaluate unitary as well as nonunitary controls, such that the system density matrix follows a…

统计力学 · 物理学 2025-02-06 Shishira Mahunta , Victor Mukherjee

Quantum state preparation lies at the heart of quantum computation and quantum simulations, enabling the investigation of complex manybody systems across physics, chemistry, and data science. While existing methods such as Variational…

量子物理 · 物理学 2026-01-27 Davide Cugini , Giacomo Guarnieri , Mario Motta , Dario Gerace

We develop new pulse schemes to significantly speed up adiabatic state transfer protocols. Our general strategy involves adding corrections to an initial control Hamiltonian which harness non-adiabatic transitions. These corrections define…

介观与纳米尺度物理 · 物理学 2016-06-15 Alexandre Baksic , Hugo Ribeiro , Aashish A. Clerk

Coherent control of complex quantum systems is a fundamental requirement in quantum information processing and engineering. Recently developed notion of shortcut to adiabaticity (STA) has spawned intriguing prospects. So far, the most…

量子气体 · 物理学 2018-01-30 Shujin Deng , Pengpeng Diao , Qianli Yu , Adolfo del Campo , Haibin Wu

Time-rescaling (TR) has been recently proposed as a method to engineer fast processes, also known as shortcuts to adiabaticity (STA), which enables the coherent control of quantum systems beyond the adiabatic regime [B. L. Bernardo, Phys.…

We present a detailed study of an adiabatic state preparation in an effective three-level quantum system. States can be prepared with high speed and fidelity by adding a counterdiabatic (CD) quantum control protocol. As a second step, we…

量子物理 · 物理学 2026-01-13 L. Romanato , N. Eshaqi-Sani , L. Lepori , T. Kirova , E. Arimondo , S. Wimberger
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