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Related papers: Adiabatic passage to the continuum

200 papers

A simple technique for robust generation of vibrational Fock states in a chain of trapped ions is proposed. The method is fast and easy to implement, since only a single chirped laser pulse, simultaneously addressing all of the ions, is…

Quantum Physics · Physics 2009-11-13 I. E. Linington , P. A. Ivanov , N. V. Vitanov , M. B. Plenio

We propose and demonstrate a novel laser cooling mechanism applicable to particles with narrow-linewidth optical transitions. By sweeping the frequency of counter-propagating laser beams in a sawtooth manner, we cause adiabatic transfer…

We study the process of Stimulated Raman Adiabatic Passage (STIRAP) under the influence of a non-trivial solid-state environment, particularly the effect of two-level fluctuators (TLFs) as they are frequently present in solid-state devices.…

Mesoscale and Nanoscale Physics · Physics 2012-05-16 Nicolas Vogt , Jared H. Cole , Michael Marthaler , Gerd Schön

In this paper, we analyze the adiabatic crossing of a resonance for Hamiltonian systems when a double-resonance condition is satisfied by the linear frequency at an elliptic fixed point. We discuss in detail the phase-space structure on a…

Dynamical Systems · Mathematics 2024-02-29 A. Bazzani , F. Capoani , M. Giovannozzi

Vibronic coupling effects usually manifest themselves in molecules and crystals rather than in an unbound atoms. We theoretically demonstrate the existence of vibronic states in a moving two-level atom exposed to a strong electromagnetic…

Quantum Physics · Physics 2020-10-28 Andrei Ivanov , Evgeniy Perlin

Adiabatic techniques offer some of the most promising tools to achieve high-fidelity control of the centre-of-mass degree of freedom of single atoms. As their main requirement is to follow an eigenstate of the system, constraints on timing…

Quantum Physics · Physics 2013-12-23 T. Morgan , L. J. O'Riordan , N. Crowley , B. O'Sullivan , Th. Busch

Stimulated Raman adiabatic passage (STIRAP) offers significant advantages for coherent population transfer between un- or weakly-coupled states and has the potential of realizing efficient quantum gate, qubit entanglement, and quantum…

Quantum Physics · Physics 2016-04-27 H. K. Xu , W. Y. Liu , G. M. Xue , F. F. Su , H. Deng , Ye Tian , D. N. Zheng , Siyuan Han , Y. P. Zhong , H. Wang , Yu-Xi Liu , S. P. Zhao

We demonstrate a non-equilibrium phase transition in a dilute thermal atomic gas. The phase transition, between states of low and high Rydberg occupancy, is induced by resonant dipole-dipole interactions between Rydberg atoms. The gas can…

Atomic Physics · Physics 2016-11-04 Christopher Carr , Ralf Ritter , Christopher Wade , Charles S Adams , Kevin J Weatherill

We study the crossover between the sudden quench limit and the adiabatic dynamics of superconducting states in the attractive Hubbard model. We focus on the dynamics induced by the change of the attractive interaction during a finite ramp…

Strongly Correlated Electrons · Physics 2017-11-10 Giacomo Mazza

We develop a complete theoretical description of photoassociative Stimulated Raman Adiabatic Passage (STIRAP) near a Feshbach resonance in a thermal atomic gas. We show that it is possible to use low intensity laser pulses to directly…

Quantum Physics · Physics 2015-05-13 Elena Kuznetsova , Susanne F. Yelin , Marko Gacesa , Philippe Pellegrini , Robin Côté

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…

Mesoscale and Nanoscale Physics · Physics 2016-06-15 Alexandre Baksic , Hugo Ribeiro , Aashish A. Clerk

Stark-chirped rapid adiabatic passage (SCRAP) is an important technique used for coherent quantum controls. In this paper we investigate how the practically-existing dissipation of the system influences on the efficiency of the passage, and…

Quantum Physics · Physics 2014-11-26 X. Shi , C. H. Oh , L. F. Wei

Shortcut to Adiabatic Passage (SHAPE) technique, in the context of coherent control of atomic systems has gained considerable attention in last few years. It is primarily because of its ability to manipulate population among the quantum…

Optics · Physics 2016-03-01 Koushik Paul , Amarendra K. Sarma

We investigate the geometrical phase associated to the Schr\"odinger equation in a three level system in Stimulated Raman Adiabatic Passage (STIRAP). We solve explicitly a dual model, in which the pulses are applied in the counterintuitive…

Quantum Physics · Physics 2020-04-15 Timo Aukusti Laine

Stimulated Raman adiabatic passage (STIRAP) is a widely-used technique of coherent state-to-state manipulation for many applications in physics, chemistry, and beyond. The adiabatic evolution of the state involved in STIRAP, called…

The main obstacle for coherent control of open quantum systems is decoherence due to different dissipation channels and the inability to precisely control experimental parameters. To overcome these problems we propose to use…

Quantum Physics · Physics 2009-11-10 Carsten Marr , Almut Beige , Gerhard Rempe

An anharmonic oscillator when driven with a fast, frequency chirped voltage pulse can oscillate with either small or large amplitude depending on whether the drive voltage is below or above a critical value-a well studied classical…

Quantum Physics · Physics 2015-05-19 K. W. Murch , R. Vijay , I. Barth , O. Naaman , J. Aumentado , L. Friedland , I. Siddiqi

In this paper, we investigate the quantum transfer for the system with three-level $\Lambda$-type structure, and construct a shortcut to the adiabatic passage via picture transformation to speed up the evolution. We can design the pulses…

Quantum Physics · Physics 2017-04-05 Yi-Hao Kang , Qi-Cheng Wu , Ye-Hong Chen , Zhi-Cheng Shi , Jie Song , Yan Xia

The adiabatic motion of a charged, spinning, quantum particle in a two - dimensional magnetic field is studied. A suitable set of operators generalizing the cinematical momenta and the guiding center operators of a particle moving in a…

High Energy Physics - Theory · Physics 2008-11-26 P. Maraner

Transitions in an artificial atom, driven non-adiabatically through an energy-level avoided crossing, can be controlled by carefully engineering the driving protocol. We have driven a superconducting persistent-current qubit with a…