Harmonic Fine Tuning and Triaxial Spatial Anisotropy of Dressed Atomic Spins

被引：13

作者：

Bevilacqua, Giuseppe ^{[1
]}

Biancalana, Valerio ^{[1
]}

Vigilante, Antonio ^{[1
,2
]}

Zanon-Willette, Thomas ^{[3
]}

Arimondo, Ennio ^{[4
,5
]}

机构：

[1] Univ Siena, Dept Informat Engn & Math DIISM, Via Roma 56, I-53100 Siena, Italy

[2] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England

[3] Univ PSL, Sorbonne Univ, Observ Paris, CNRS,LERMA, F-75005 Paris, France

[4] Univ Pisa, Dept Fis E Fermi, Largo B Pontecorvo 3, I-56127 Pisa, Italy

[5] INO CNR, Via G Moruzzi 1, I-56124 Pisa, Italy

来源：

PHYSICAL REVIEW LETTERS | 2020年 / 125卷 / 09期

关键词：

MOMENT; FIELD;

D O I：

10.1103/PhysRevLett.125.093203

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The addition of a weak oscillating field modifying strongly dressed spins enhances and enriches the system quantum dynamics. Through low-order harmonic mixing, the bichromatic driving generates additional rectified static field acting on the spin system. The secondary field allows for a fine tuning of the atomic response and produces effects not accessible with a single dressing field, such as a spatial triaxial anisotropy of the spin coupling constants and acceleration of the spin dynamics. This tuning-dressed configuration introduces an extra handle for the system full engineering in quantum control applications. Tuning amplitude, harmonic content, spatial orientation, and phase relation are control parameters. A theoretical analysis, based on perturbative approach, is experimentally tested by applying a bichromatic radiofrequency field to an optically pumped Cs atomic vapour. The theoretical predictions are precisely confirmed by measurements performed with tuning frequencies up to the third harmonic.

引用

页数：6

共 39 条

[1] T3 Stern-Gerlach Matter-Wave Interferometer
Amit, O.
Margalit, Y.
Dobkowski, O.
Zhou, Z.
Japha, Y.
Zimmermann, M.
Efremov, M. A.
Narducci, F. A.
Rase, E. M.
Schleich, W. P.
Folmani, R.
[J]. PHYSICAL REVIEW LETTERS, 2019, 123 (08)
[2] Two-level systems driven by large-amplitude fields
Ashhab, S.
Johansson, J. R.
Zagoskin, A. M.
Nori, Franco
[J]. PHYSICAL REVIEW A, 2007, 75 (06):
[3] Radio-frequency-induced ground-state degeneracy in a Bose-Einstein condensate of chromium atoms
Beaufils, Q.
Zanon, T.
Chicireanu, R.
Laburthe-Tolra, B.
Marechal, E.
Vernac, L.
Keller, J. -C.
Gorceix, O.
[J]. PHYSICAL REVIEW A, 2008, 78 (05):
[4] Larmor frequency dressing by a nonharmonic transverse magnetic field
Bevilacqua, G.
Biancalana, V.
Dancheva, Y.
Moi, L.
[J]. PHYSICAL REVIEW A, 2012, 85 (04):
[5] Sub-millimetric ultra-low-field MRI detected in situ by a dressed atomic magnetometer
Bevilacqua, Giuseppe
Biancalana, Valerio
Dancheva, Yordanka
Vigilante, Antonio
[J]. APPLIED PHYSICS LETTERS, 2019, 115 (17)
[6] Restoring Narrow Linewidth to a Gradient-Broadened Magnetic Resonance by Inhomogeneous Dressing
Bevilacqua, Giuseppe
Biancalana, Valerio
Dancheva, Yordanka
Vigilante, Antonio
[J]. PHYSICAL REVIEW APPLIED, 2019, 11 (02):
[7] Multichannel optical atomic magnetometer operating in unshielded environment
Bevilacqua, Giuseppe
Biancalana, Valerio
Chessa, Piero
Dancheva, Yordanka
[J]. APPLIED PHYSICS B-LASERS AND OPTICS, 2016, 122 (04):
[8] The Magnus expansion and some of its applications
Blanes, S.
Casas, F.
Oteo, J. A.
Ros, J.
[J]. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 2009, 470 (5-6): : 151 - 238
[9] Universal high-frequency behavior of periodically driven systems: from dynamical stabilization to Floquet engineering
Bukov, Marin
D'Alessio, Luca
Polkovnikov, Anatoli
[J]. ADVANCES IN PHYSICS, 2015, 64 (02) : 139 - 226
[10] Dressed spin of polarized 3He in a cell
Chu, P. -H.
Esler, A. M.
Peng, J. C.
Beck, D. H.
Chandler, D. E.
Clayton, S.
Hu, B. -Z.
Ngan, S. Y.
Sham, C. H.
So, L. H.
Williamson, S.
Yoder, J.
[J]. PHYSICAL REVIEW C, 2011, 84 (02):

← 1 2 3 4 →