One-axis twisting
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 … Web29. 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 …
One-axis twisting
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WebThis 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 … 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 ...
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 … 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 ...
Web13. 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 … 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 …
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WebThe 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). business plan writer craigslistWeb18. 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 … business plan writerWebof 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 ... business plan writer deluxeWeb17. 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 … business plan writer costWeb03. 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 … business plan writer houstonWeb01. 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 ... business plan writer edmontonWebThe 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, … business plan writer ghana