Quantum control and quantum speed limits of single|well systems

Quantum control and quantum speed limits of single-well systems

In the adiabatic limit τ → ∞ , the final state of the dynamical evolution is exactly the target state of quantum control, and thus the fidelity is 1. For our ...

Quantum control and quantum speed limits of single-well systems

We study the quantum control and quantum speed limits of single-well systems by taking a harmonic oscillator whose frequency is a power function of time as an ...

Quantum control and quantum speed limits of single-well systems

PDF | On Feb 1, 2024, Juan-Juan Song and others published Quantum control and quantum speed limits of single-well systems | Find, read and cite all the ...

Quantum control and quantum speed limits in supersymmetric ...

arrays allow for the precise control of single particles and the ability to build many-body systems one particle at a time [3–5]. One of the ...

[2305.03839] Exact Quantum Speed Limits - arXiv

To address this, we derive exact quantum speed limits for the unitary dynamics of pure-state quantum system that outperform the existing quantum ...

Quantum speed limit - Wikipedia

In quantum mechanics, a quantum speed limit (QSL) is a limitation on the minimum time for a quantum system to evolve between two distinguishable ...

Quantum Control and Quantum Speed Limits of Single-Well Systems

List of references · X Chen, Fast optimal frictionless atom cooling in harmonic traps : Shortcut to adiabaticity, Phys. · C Zhang, Fast and robust quantum state ...

Probing quantum phase transitions via quantum speed limits

well-known QSLs exist: the Mandelstam-Tamm (MT), Margolus-Levitin (ML), and dual ML (ML*) bounds. We consider one-dimensional systems that ...

Experimental investigation of geometric quantum speed limits in an ...

The quantum speed limit (QSL) is a fundamental lower bound on the evolution time for quantum systems, and its tightness has been observed to ...

Quantum speed limits - Quantum Thermodynamics - UMBC

The so-called quantum speed limits (QSL), which are fundamental bounds on the maximal rate with which a quantum system can evolve.

Robust Control of Single-Qubit Gates at the Quantum Speed Limit

Numerical simulations for single-qubit systems show that the obtained time-optimal control pulses can effectively suppress gate errors (to the ...

Quantum speed limits of quantum system in colored environments

The quantum speed limit time can be controlled by the initial distribution and the partitions the constituent elements. Abstract. In this paper, we investigate ...

Robust control of single-qubit gates at the quantum speed limit

Numerical simulations are carried out for single-qubit systems with frequency and field amplitude uncertainties, and the obtained time-optimal ...

Focus on Quantum Speed Limit and its Applications - IOPscience

Guest Editors · Foundational aspects of the energy-time indeterminacy principle · Coherent control and the minimal time approach to the quantum speed limit · The ...

Investigating quantum speed limits with superconducting qubits

Prof. Meenakshi Singh Department of Physics, Colorado School of Mines.

Dependence of the quantum speed limit on system size and control ...

Dependence of the quantum speed limit on system size and control complexity. United States: N. p., 2018. Web. doi:10.1088/1367-2630/aac6f3. ... Lee, Juneseo, ...

Speed Limit of Single Atom Trapped in Fabry-Perot Microresonator

The speed of evolution of a quantum system is constrained by quantum mechanics, a fundamental phenomenon of nature. The research of precise ...

Realizing quantum speed limit in open system with a - Inspire HEP

Despite that the speed limit of a unitary evolution could be well analyzed by either the Mandelstam–Tamm or the Margolus–Levitin bound, there ...

Speed limit of quantum metrology | Scientific Reports - Nature

We show that the speed limit of quantum dynamics sets a fundamental bound on the minimum attainable phase estimation error through the quantum Cramér–Rao bound.

Speed limits for quantum gates in multiqubit systems | Request PDF

Indeed it has been demonstrated on specific examples that such limits align with the shortest durations for which numerical optimal control techniques converge, ...