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In the study of spin-polarization phenomena in heavy-ion collisions, it is typically assumed that final-state particles are polarized through thermal vorticity and shear. In this sense, polarization is a final-state effect. Here, we propose…

Nuclear Theory · Physics 2025-02-19 Giuliano Giacalone , Enrico Speranza

It should be possible to generate multi-ampere spin-polarized beams of hydrogen isotopes by repeated charge-transfer collisions in highly spin-polarized Cs vapor. Estimates suggest that off-resonant Raman pumping with kW scale narrowband…

Atomic Physics · Physics 2026-05-19 Thad G. Walker , Cary B. Forest , Deniz D. Yavuz

Electron beam polarization in the bubble regime of the interaction between a high-intensity laser and a longitudinally pre-polarized plasma is investigated by means of the Thomas-Bargmann-Michel-Telegdi equation. Using a test-particle…

Plasma Physics · Physics 2022-09-14 H. C. Fan , X. Y. Liu , X. F. Li , J. F. Qu , Q. Yu , Q. Kong , S. M. Weng , M. Chen , M. Büscher , P. Gibbon , S. Kawata , Z. M. Sheng

We study the effect of bias voltage on the nuclear spin polarization of a ballistic wire, which contains electrons and nuclei interacting via hyperfine interaction. In equilibrium, the localized nuclear spins are helically polarized due to…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Viktoriia Kornich , Peter Stano , Alexander A. Zyuzin , Daniel Loss

Experiments with vortex beams have shown a surge of interest in controlling cold atoms. Most of the controlling protocols are dominated by circularly polarized light due to its ability to induce vector polarization at atoms, which is…

Atomic Physics · Physics 2020-12-25 Anal Bhowmik , Narendra Nath Dutta , Sonjoy Majumder

We solve the three-dimensional time-dependent Schr\"{o}dinger equation for a few-cycle circularly polarized femtosecond laser pulse interacting with an oriented target exemplified by an Argon atom, initially in a $3\text{p}_{x}$ or…

Atomic Physics · Physics 2015-05-18 C. P. J. Martiny , M. Abu-samha , L. B. Madsen

We propose a scheme to overcome the great challenge of polarization loss in spin-polarized ion acceleration. When a petawatt laser pulse penetrates through a compound plasma target consisting of a double layer slab and prepolarized hydrogen…

Plasma Physics · Physics 2020-11-24 Zheng Gong , Yinren Shou , Yuhui Tang , Xueqing Yan

The physics of interacting nuclear spins arranged in a crystalline lattice is typically described using a thermodynamic framework: a variety of experimental studies in bulk solid-state systems have proven the concept of a spin temperature…

Mesoscale and Nanoscale Physics · Physics 2009-07-21 P. Maletinsky , M. Kroner , A. Imamoglu

We report on the morphological effects induced by the inhomogeneous absorption of radially polarized femtosecond laser irradiation of nickel (Ni) in sub-ablation conditions. A theoretical prediction of the morphology profile is performed…

Materials Science · Physics 2023-07-19 George D. Tsibidis , Evangelos Skoulas , Emmanuel Stratakis

Manipulating the spin polarization of electron beams using light is highly desirable but exceedingly challenging, as the approaches proposed in previous studies using free-space light usually require enormous laser intensities. Here, we…

Optics · Physics 2022-06-22 Deng Pan , Hongxing Xu

Polarized atomic beam sources have been in operation since many years to produce either nuclear polarized atomic hydrogen or deuterium beams. In recent experiments such a source was used to polarize both isotopes independently at the same…

A highly asymmetric dynamic nuclear spin pumping is observed in a single self assembled InGaAs quantum dot subject to resonant optical pumping of the neutral exciton transition leading to a large maximum polarization of 54%. This dynamic…

Mesoscale and Nanoscale Physics · Physics 2010-09-30 F. Klotz , V. Jovanov , J. Kierig , E. C. Clark , M. Bichler , G. Abstreiter , M. S. Brandt , J. J. Finley , H. Schwager , G. Giedke

We predict nucleation of pancake shaped metallic nanoparticles having plasmonic frequencies in resonance with a non-absorbed circularly polarized electromagnetic field. We show that the same field can induce nucleation of randomly oriented…

Mesoscale and Nanoscale Physics · Physics 2014-03-18 Victor G. Karpov , Nicholas I. Grigorchuk

Spin-polarised atomic ensembles probed by light based on the Faraday interaction are a versatile platform for numerous applications in quantum metrology and quantum information processing. Here we consider an ensemble of Alkali atoms that…

Quantum Physics · Physics 2022-05-11 Alexander Roth , Klemens Hammerer , Kirill S. Tikhonov

The experimental realization of emergent spin-orbit coupling through laser-induced Raman transitions in ultracold atoms paves the way for exploring novel superfluid physics and simulating exotic many-body phenomena. A recent proposal with…

Quantum Gases · Physics 2015-06-02 Chunlei Qu , Kuei Sun , Chuanwei Zhang

We provide an analytic study of the dynamics of semiconductor lasers with injection (pump) of spin-polarized electrons, previously considered in the steady-state regime. Using complementary approaches of quasi-static and small signal…

Materials Science · Physics 2015-05-18 Jeongsu Lee , William Falls , Rafal Oszwaldowski , Igor Zutic

We report on experiments that quantify the role of a central electronic spin as a relaxation source for nuclear spins in its nanoscale environment. Our strategy exploits hyperpolarization injection from the electron as a means to…

Mesoscale and Nanoscale Physics · Physics 2024-02-27 William Beatrez , Arjun Pillai , Otto Janes , Dieter Suter , Ashok Ajoy

The nature of the nano-scale environment presents a major challenge for solid-state implementation of spin-based qubits. In this work, a single electron spin in an optically pumped nanometer-sized III-V semiconductor quantum dot is used to…

We report on the dynamics of optically induced nuclear spin polarization in individual CdTe/ZnTe quantum dots loaded with one electron by modulation doping. The fine structure of the hot trion (charged exciton $X^-$ with an electron in the…

Mesoscale and Nanoscale Physics · Physics 2012-06-18 C. Le Gall , A. Brunetti , H. Boukari , L. Besombes

In solid_state hybrid electron_nuclear spin systems quantum entanglement plays vital role in allowing accessible transfer of information between subatomic particles, regardless of the host lattice coordination spatial geometry, revealing…

Quantum Physics · Physics 2013-11-25 Vesna Berec , J. S. Braunstein