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Lamb dicke parameter

Tīmeklisimportant parameters for controlling entangling opera-tions in ion traps. We show measurements of i) the dis-tance between two crystalline ions, ii) the Lamb-Dicke … Tīmeklisoutside the Lamb-Dicke regime [η2 729 after Doppler cooling. For the result presented below, at ω=2π ¼ 389 kHz, this does not prevent efficient sideband cooling on the first red sideband. However, approximately 0.17% of the population is initially in oscillator states higher than n ¼ 150. As the first red sideband Rabi

Observation of a quantum phase transition in the quantum Rabi …

Tīmeklis2024. gada 26. maijs · microwaves with a non-vanishing effective Lamb–Dicke parameter) was discussed in [17, 18]. For our method, only the proper choice of the gradient strength and the phase relations of the laser beams form the conditions for a pure red sideband interaction up to first order in the Lamb–Dicke parameter. This … Tīmeklis(2.1) we have defined a Lamb-Dicke parameter η = 2 π a 0 / λ L with a 0 0 1 / 2 M v the ground state size of the oscillator and λ L the laser wave length. In the Lamb … lyrics gunna high end lil keed https://iasbflc.org

G. Morigi , J. Eschner(2), J.I. Cirac and P. Zoller (1) - arXiv

TīmeklisThe Lamb-Dicke parameter actually is defined as η = k z z 0 . {\displaystyle \eta =k_{z}z_{0}.} Upon absorption or emission of a photon with momentum ℏ k z … Tīmeklisfor the emission patterns associated with ˇand ˙decays, the average Lamb-Dicke parameters become h ˇi= 4 3ˇ (3) h ˙i= 20 9ˇ : (4) For simplicity in the development of the following argument we will consider isotropic decays, later including these geometric factors as a correction to the e ective Lamb-Dicke parameters for each process. Tīmeklis2024. gada 13. apr. · We report continuous Raman sideband cooling of a long ion chain close to the motional ground state beyond the Lamb-Dicke (LD) regime. By driving multiple sideband transitions simultaneously, we show that nearly all axial modes of a 24-ion chain are cooled to the ground state, with an LD parameter as large as … lyrics guitar

Linear mode-mixing of phonons with trapped ions SpringerLink

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Lamb dicke parameter

Motional-ground-state cooling outside the Lamb-Dicke regime

Tīmeklis2024. gada 7. nov. · Numerical simulations show that the fidelity of the prepared entangled states is strongly affected by Lamb–Dicke parameters. In this paper, we … Tīmeklis2011. gada 10. aug. · where η is the Lamb–Dicke parameter, b and b + are respectively the annihilation and creation operators of the trap harmonic oscillator (‘ + …

Lamb dicke parameter

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TīmeklisThe Lamb–Dicke (LD) approximation (LDA) is usually utilized to simplify the treatments for the dynamics of ion-trap systems, where the so-called LD … Tīmeklis2024. gada 18. febr. · Quantum phase transitions (QPTs) are usually associated with many-body systems in the thermodynamic limit when their ground states show abrupt changes at zero temperature with variation of a ...

TīmeklisThe Lamb–Dicke parameter actually is defined as. Upon absorption or emission of a photon with momentum the kinetic energy of the ion is changed by the amount of the recoil energy where the definition of the recoil frequency is. The square of the Lamb Dicke parameter then is given by. Hence the Lamb Dicke parameter quantifies the … Tīmeklis2010. gada 27. janv. · The deviation of the analytical from the exact numerical results in the final population is plotted versus the deviation in Ω B (in units of trap frequency) …

Tīmeklis2016. gada 24. dec. · where \(\eta \) is the Lamb–Dicke parameter. If amplitude for the ion’s motion, along the axis of the trap, is much less than \(k_z=k\cos \theta \), then the first-order expansion given by Eq. is a reasonable approximation. Tīmeklis2024. gada 21. maijs · the second-order terms of the Lamb Dicke parameter To cite this article: Rasim Dermez and Soner Özen 2012 Phys. Scr. 85 055009 View the …

Tīmeklis2024. gada 1. marts · Starting from a state cooled to the Lamb–Dicke regime (, where η is the Lamb–Dicke parameter and n is the motional quantum number), the motion traces out an approximately circular path in the ...

TīmeklisIn is found that, in the absence of decoherence, the generated particle-field and two trapped-particles entanglement can be enhanced by increasing the Lamb-Dicke parameter. The Lamb-Dicke nonlinearity effect on the generated stationary entanglement, the sudden death and sudden birth of the entanglement, and the … kirchhoff\u0027s menu paducah kyTīmeklis2016. gada 12. dec. · A well-known example is the Lamb - Dicke approximation, in which the ion is considered to be confined within a region much smaller than the laser wavelength. Other examples are optical and... lyrics guitar gently weepsTīmeklis2024. gada 1. nov. · This overestimate is shown to be due to previous models neglecting the detuning dependence of the scattered photon frequency and Lamb-Dicke parameter, a second scattering process, interference effects on scattering rates to metastable manifolds, and the counter-rotating contribution to the Raman transition rate. lyrics groove me king floydTīmeklis2024. gada 12. okt. · We focus on such parameters as the different numbers of ions (up to 4 ions in the chain), the phonon mode occupation, the strength of the … kirchhoff\u0027s node lawTīmeklis2011. gada 10. aug. · where η is the Lamb–Dicke parameter, b and b + are respectively the annihilation and creation operators of the trap harmonic oscillator (‘ + ’ denotes adjoint), and h.c. denotes Hermitian ... kirchhoff\\u0027s ruleTīmeklisμ l is the Lamb-Dicke parameter of the trapped atomic l-ion. Based on the procedure described for engineering N two-level cold ions beyond the Lamb-Dicke limit [ 35 , 54 , 55 ], we consider the case where the two-level cold ions (two-qubit system) are closed to each other, and the total center of motion of them is the center-of-mass vibration ... kirchhoff\u0027s plate theory pdfTīmeklis2024. gada 30. jūl. · A special laser configuration, applicable to trapped ions, atoms, or cantilevers, designs a double-path quantum interference that eliminates the blue … lyrics guns for hands