English
Related papers

Related papers: Viewing Majorana Bound States by Rabi Oscillations

200 papers

When a two-level quantum system is irradiated with a microwave signal, in resonance with the energy difference between the levels, it starts Rabi oscillation between those states. If there are other states close, in energy, to the first…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 M. H. S. Amin

We have observed Rabi-like oscillations in a current-biased dc SQUID presenting enhanced coherence times compared to our previous realization \cite{Claudon_PRL04}. This Josephson device behaves as an anharmonic oscillator which can be…

Mesoscale and Nanoscale Physics · Physics 2009-01-13 Julien Claudon , Alex Zazunov , Frank W. J. Hekking , Olivier Buisson

A two-level atom interacting with a single radiation mode is considered, without the rotating-wave approximation, in the strong coupling regime. It is shown that, in agreement with the recent results on Rabi oscillations in a Josephson…

Quantum Physics · Physics 2009-11-07 Marco Frasca

A two-level quantum system coherently driven by a resonant electromagnetic field oscillates sinusoidally between the two levels at frequency $\Omega$ which is proportional to the field amplitude [1]. This phenomenon, known as the Rabi…

Atomic Physics · Physics 2015-06-05 Y. O. Dudin , L. Li , F. Bariani , A. Kuzmich

The simple resonant Rabi oscillation of a two-level system in a single-mode coherent field reveals complex features at the mesoscopic scale, with oscillation collapses and revivals. Using slow circular Rydberg atoms interacting with a…

Quantum Physics · Physics 2019-10-09 F. Assemat , D. Grosso , A. Signoles , A. Facon , I. Dotsenko , S. Haroche , J. M. Raimond , M. Brune , S. Gleyzes

Rabi oscillations have been observed in many superconducting devices, and represent prototypical logic operations for quantum bits (qubits) in a quantum computer. We use a three-level multiphoton analysis to understand the behavior of the…

Majorana bound states have been proposed as building blocks for qubits on which certain operations can be performed in a topologically protected way using braiding. However, the set of these protected operations is not sufficient to realize…

Mesoscale and Nanoscale Physics · Physics 2013-03-08 Thomas L. Schmidt , Andreas Nunnenkamp , Christoph Bruder

We present Rabi oscillation measurements of a Nb/AlOx/Nb dc superconducting quantum interference device (SQUID) phase qubit with a 100 um^2 area junction acquired over a range of microwave drive power and frequency detuning. Given the…

We study the dynamics of a quantum superconducting circuit which consists of a Josephson charge qubit, coupled capacitively to a current biased Josephson junction. Under certain conditions, the eigenstates of the qubit and the junction…

Superconductivity · Physics 2007-05-23 F. W. J. Hekking , O. Buisson , F. Balestro , M. G. Vergniory

We present a theoretical study of a quantum regime of the resistive (whirling) state of dc driven anisotropic single plaquette containing three small Josephson junctions. The current-voltage characteristics of such a system display resonant…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. V. Fistul

Recent experiments on Josephson junction qubits have suggested the existence in the tunnel barrier of bistable two level fluctuators that are responsible for decoherence and 1/f critical current noise. In this article we treat these…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ren-Shou Huang , Viatcheslav Dobrovitski , Bruce Harmon

We proposed a scheme to demonstrate macroscopic quantum jumps in a superconducting phase qubit coupled to a microscopic two-level system in the Josephson tunnel junction. Irradiated with suitable microwaves, the Rabi oscillations of the…

Quantum Physics · Physics 2015-05-13 Xueda Wen , Shi-Liang Zhu , Yang Yu

We consider the phase-transition-like behaviour in the Rabi model containing a single two-level system, or qubit, and a single harmonic oscillator. The system experiences a sudden transition from an uncorrelated state to an increasingly…

Quantum Physics · Physics 2013-12-30 S. Ashhab

Rabi oscillations are coherent transitions in a quantum two-level system under the influence of a resonant perturbation, with a much lower frequency dependent on the perturbation amplitude. These serve as one of the signatures of quantum…

Superconductivity · Physics 2008-07-14 S. N. Shevchenko , A. N. Omelyanchouk , A. M. Zagoskin , S. Savel'ev , F. Nori

Evaluating the stability of Majorana qubits (MQ) is crucial for the advancement of topological quantum computation. In this work, we propose a method to quantify the stability of MQs through their Rabi oscillations.Our approach involves…

Mesoscale and Nanoscale Physics · Physics 2025-02-14 Yu Zhang , Jiayi Chen , Jie Liu , X. C. Xie

We demonstrate theoretically the noise-stimulated enhancement of quantum coherence in a superconducting flux qubit. First, an external classical noise can increase the off-diagonal components of the qubit density matrix. Second, in the…

Quantum Physics · Physics 2014-08-05 A. N. Omelyanchouk , S. Savel'ev , A. M. Zagoskin , E. Il'ichev , Franco Nori

Rabi oscillations describe the interaction of a two-level system with a rotating electromagnetic field. As such, they serve as the principle method for manipulating quantum bits. By using a combination of femtosecond laser pulses and…

Mesoscale and Nanoscale Physics · Physics 2016-05-16 Amir Capua , Charles Rettner , See-Hun Yang , Stuart S. P. Parkin

Rabi oscillations of quantum population are known to occur in two-level systems driven by spectrally narrow laser fields. In this work we study Rabi oscillations induced by shaped broadband femtosecond laser pulses. Due to the broad…

Quantum Physics · Physics 2015-05-30 S. Zhdanovich , J. W. Hepburn , V. Milner

We show that it is possible to realize quantum superpositions of switched-on and -off strong light-matter interaction in a single quantum dot- semiconductor microcavity system. Such superpositions enable the observation of counterintuitive…

Quantum Physics · Physics 2017-08-02 A. Ridolfo , R. Stassi , O. Di Stefano

The demonstration of the non-Abelian properties of Majorana bound states (MBS) is a crucial step toward topological quantum computing. We theoretically investigate how Majorana fusion rules manifest themselves in the current-voltage…

Mesoscale and Nanoscale Physics · Physics 2020-10-07 Sang-Jun Choi , Alessio Calzona , Björn Trauzettel
‹ Prev 1 2 3 10 Next ›