One-axis twisting

Author: iucr

August undefined, 2024

Web09. dec 2024. · It has been shown by Sørensen and Mølmer [Phys. Rev. A 66, 022314 (2002)] that an effective one-axis-twisting interaction can be realized in a cavity setup …

The optimal estimation state of one-axis twisting model

Web02. feb 2024. · We find that in some regimes, with careful choice of the rotation parameter, we can still obtain squeezing much more rapidly than via one-axis twisting (OAT). Discover the world's research 20 ... WebThe Crossword Solver found 30 answers to "twisting on an axis", 6 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword … havilah ravula

Spin Squeezing of the Generalized One-Axis Twisting Model

Web03. feb 2014. · We theoretically investigate a scheme to enhance spin squeezing in a two-component Bose-Einstein condensate (BEC) by utilizing the inherent mean-field dynamics of the condensate. Due to the asymmetry in the scattering lengths, the two components exhibit density oscillations where they spatially separate and recombine. The effective non … WebThe Crossword Solver found 20 answers to "twisting on a axis", 6 letters crossword clue. The Crossword Solver finds answers to classic crosswords and cryptic crossword … WebIt was shown in [Phys. Rev. A 66, 022314 (2002)] how an effective one-axis twisting Hamiltonian can be realized in a cavity setup. Here, we extend this work and show how an effective two-axis twisting Hamiltonian can be realized in a similar cavity setup. We compare the two schemes in order to characterize their advantages. havilah seguros

Extreme Spin Squeezing via Optimized One-Axis Twisting and …

Spin squeezing: transforming one-axis-twisting into two-axis …

Web18. jan 2005. · Figure 1 System of our proposal. A linearly polarized light pulse passes through an atomic ensemble and the polarization plane is rotated. The rotation angle … Web17. jun 2024. · Based on the recent twisting-tensor approach [T. Opatrný, ArXiv:1408.3265 (2014)], a specific scenario for fast and deep spin squeezing is proposed. Initially the state is subjected to one-axis twisting under optimum orientation, enabling the maximum squeezing rate allowed by the system nonlinearity. Later on, when for highly squeezed … haverkamp yanomamiWebThe one-axis twisting Hamiltonian Htwist = ˜S2 z de-scribes internal-state-dependent interactions in a collec-tion of N two-level atoms, which we represent in terms of spin-1/2 operators s iby a collective spin S = PN i=1 s . The dynamical e ect of Htwist is to generate a spin pre-cession about the ^z-axis at a rate proportional to Sz(Fig. 1a-b). havilah you tube

"Web24. nov 2024. · Specifically, we assume states generated via the unitary one-axis twisting interaction \ ( {e}^ {-i (\mu /2) {S}_ {z}^ {2}}\) for which the squeezing strength, μ ≈ 1.1 … " - One-axis twisting

One-axis twisting

[PDF] Generation of two-axis countertwisting squeezed spin states via ...

Web01. sep 2024. · Moreover our study is based on one-axis twisting model which is an interesting special case under recent investigation [41,42,43,44, 45, 46,47]. This study can lead to interesting insights on the ... Web01. jul 2011. · The noise reduction limit for the one-axis twisting scales as ∝1/N(2/3), which for a condensate with N∼10(3) atoms is about 100 times below the standard quantum limit. We present a scheme using repeated Rabi pulses capable of transforming the one-axis-twisting spin squeezing into the two-axis-twisting type, leading to Heisenberg limited ...

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Web30. apr 2024. · In summary, we investigate the entanglement dynamics in a non-Hermitian one-axis twisting Hamiltonian. Especially, we focus on the dependence of quantum … Web01. jul 2011. · The noise reduction limit for the one-axis twisting scales as ∝1/N (2/3), which for a condensate with N∼10 (3) atoms is about 100 times below the standard quantum limit. We present a scheme ...

Web30. apr 2024. · In the following, we investigate quantum entanglement of the system governed by non-Hermitian one-axis twisting Hamiltonian ( 1 ), and use entanglement parameters ( 4) and ( 5) to characterize the degree of entanglement. For calculating the two entanglement parameters, we first find MSD, which is determined by expectation values … Web03. feb 2014. · We perform a multi-mode simulation of the system using the truncated Wigner method, and show that this method can be used to create significant spin …

Web16. nov 2024. · This scheme reveals that even an electromagnetic vacuum can constitute a useful resource for entanglement and quantum manipulation. By rotating the spin … Web21. jun 2024. · Abstract: We demonstrate that the one-axis twisting (OAT), a versatile method of creating non-classical states of bosonic qubits, is a powerful source of …

Web15. maj 2024. · Ramsey interferometry with generalized one-axis twisting echoes Marius Schulte, Victor J. Martínez-Lahuerta, Maja S. Scharnagl, andKlemens Hammerer Institut für Theoretische Physik und Institut für Gravitationsphysik (Albert-Einstein-Institut), Leibniz Universität Hannover, Appelstraße 2, 30167 Hannover, Germany 13. March 2024

Web10. feb 2024. · We identify best input states and generalized measurements within a variational approximation for the corresponding entangling and decoding quantum … haveri karnataka 581110Web23. mar 2024. · where κ is the strength of the nonlinear interaction, collective operators J ± denote the spin J ladder operators, and γ determines the orientation of spin squeezing. The two-axis counter twisting Hamiltonian can be realized by four-wave mixing and so on [].We show that the strength of the nonlinear interaction and the orientation of spin squeezing … haveri to harapanahalliWeb01. jan 2024. · They considered the one-axis twisting model and the two-axis counter-twisting model and implement spin squeezing in interferometers. Many workers have … haveriplats bermudatriangelnWeb03. maj 2024. · We investigate spin squeezing of the generalized one-axis twisting model. By using the perturbation techniques, we analytically and numerically calculate spin … havilah residencialWeb01. jan 2024. · The Hamiltonian describes the one-axis twisting model with external a transverse field that can be written as , (1) H = μ S x 2 + Ω S z, where Ω > 0 and, μ ≥ 0 … havilah hawkinsWebThis Conference Presentation, One-axis twisting in a Rydberg-dressed atomic clock was recorded at Photonics West 2024 held in San Francisco, California, United States. Paper … haverkamp bau halternWeb29. jul 2009. · We investigate the dependence of spin squeezing on the polar angle of the initial coherent spin state θ 0, ϕ 0 in a generalized one-axis twisting model, where the … have you had dinner yet meaning in punjabi