One-axis twisting

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August undefined, 2024

Web19. mar 2024. · In the absence of decay, the conditional dynamics for an open system is often describable by a non-Hermitian Hamiltonian. This study investigates spin squeezing (SS) in non-Hermitian one-axis twisting (OAT) model. Somewhat surprisingly, SS close to the limit of Hermitian two-axis counter twisting (TACT) Hamiltonian is achievable for … 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 …

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Web03. maj 2024. · We investigate spin squeezing of the generalized one-axis twisting model. By using the perturbation techniques, we analytically and numerically calculate spin … Web29. jun 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 … nissan blue heron blvd west palm beach fl

[2102.05593] Quantum Variational Optimization of Ramsey …

Web29. 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 … Web27. jun 2024. · The scheme consists of an alternating series of one-axis twisting pulses and rotations, both of which are straightforward to implement experimentally. The … WebThe one-axis twisting consists of a collection of two-level systems evolve under the effect of a collective nonlinear interaction, whose Hamiltonian may be written as [9, … nissan bluetooth send text

SU arXiv:2206.12491v1 [quant-ph] 24 Jun 2024 SU - ResearchGate

Spin Squeezing of One-Axis Twisting Model - Springer

Web23. 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 … WebBeyond one-axis twisting: Simultaneous spin-momentum squeezing John Drew Wilson, 1, Simon B. J ager, 1,2 Jarrod T. Reilly, 1 Athreya Shankar, 3,4 Maria Luisa Chiofalo, 5 and Murray J. Holland 1,5 numpy legacy install failureWeb13. jun 2024. · The simplest to implement uses a “one-axis twisting” (OAT) Hamiltonian, but the state it produces does not have ideal squeezing properties. A more complex … numpy linear regression slope

"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 ... " - One-axis twisting

One-axis twisting

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 … 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 …

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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 … Web16. dec 2024. · We demonstrate that the one-axis twisting (OAT), a versatile method of creating nonclassical states of bosonic qubits, is a powerful source of many-body Bell correlations. We develop a fully analytical and universal treatment of the process, …

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 ... Webof SSS: one-axis twisting (OAT) and two-axis countertwisting (TACT) [1]. OAT SSS can be realized by the Hamiltonian H 1 ∝ J2 x and allow precise measurements to scale with 1/N 2/3, where N is the spin number of the system. TACT can be generated under the Hamiltonian H 2 ∝ J2 x − J2 y and causes Heisenberg limited noise reduction to scale ...

Web01. 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 … 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.

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 …

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 … numpy linear regression codeWeb30. 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 … numpy len of arrayWeb29. apr 2024. · Here, we show that, by making an appropriate change of the initial input spin state, it is possible to produce a one-axis-twisting spin squeezing via a single off … numpy library w3schoolWeb01. 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 ... numpy library in machine learning nissan bluetooth songs historyWeb01. 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 been done in this field. For instance, Wang and Sanders [39] studied the spin squeezing and pairwise entanglement of multi-qubit. Jafarpour and Akhound [40], [41] investigated … numpy library used forWebPhysical Review Journals numpy linear regression least squares