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Related papers: Coherent spin dynamics in gadolinium-doped CaWO4 c…

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We investigate a two-dimensional electron model with Rashba spin-orbit interaction where the coupling constant $g=g(n)$ depends on the electronic density. It is shown that this dependence may drive the system unstable towards a long-wave…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 G. Seibold , D. Bucheli , S. Caprara , M. Grilli

We study spin dynamics of ordered phases of Cs2CoBr4 in a magnetic field using electron spin resonance (ESR) technique and theoretical analysis. This material hosts weakly interacting distorted-triangular-lattice planes of spin-3/2 Co(2+)…

Strongly Correlated Electrons · Physics 2023-08-01 T. A. Soldatov , A. I. Smirnov , A. V. Syromyatnikov

Optically-driven Rabi oscillations of single electron spins in a diamond nitrogen vacancy center are realized with two Raman-resonant optical pulses that are detuned from the respective dipole optical transitions. The Rabi oscillations are…

Quantum Physics · Physics 2013-10-15 D. Andrew Golter , Hailin Wang

Recently, the hybridization of microwave-frequency cavity modes with collective spin excitations attracted large interest for the implementation of quantum computation protocols, which exploit the transfer of information among these two…

Quantum Physics · Physics 2020-02-05 Angelo Leo , Anna Grazia Monteduro , Silvia Rizzato , Luigi Martina , Giuseppe Maruccio

Rare earth ion (REI)-doped oxide thin films are attractive for the application of quantum interconnects due to their stable optical levels and scalability$^{1-3}$. Among them, Er$^{3+}$ doped CaWO$_{4}$ is promising because it possesses…

Quantum sensing using local defects in solid-state systems has gained significant attention over the past several years, with impressive results demonstrated both in Academia and in Industry. Specifically, employing large volume and high…

Quantum Physics · Physics 2023-09-21 Yachel Ben-Shalom , Amir Hen , Nir Bar-Gill

We study theoretically the spectrum, F(s), of spin-dependent transition rates within dipolar D and exchange J coupled pairs of two spins with S=1/2 undergoing Rabi oscillations due to a coherent magnetic resonant excitation. We show that…

Materials Science · Physics 2013-04-24 R. Glenn , M. E. Limes , B. Saam , C. Boehme , M. E. Raikh

We report on multi-photon Rabi oscillations and controlled tuning of a multi-level system at room temperature (S=5/2 for Mn2+:MgO) in and out of a quasi-harmonic level configuration. The anisotropy is much smaller than the Zeeman…

Mesoscale and Nanoscale Physics · Physics 2011-10-21 S. Bertaina , N. Groll , L. Chen , I. Chiorescu

We demonstrate nearly a microsecond of spin coherence in Er3+ ions doped in cerium dioxide nanocrystal hosts, despite a large gyromagnetic ratio and nanometric proximity of the spin defect to the nanocrystal surface. The long spin coherence…

Due to the strong spin-orbit interaction in indium antimonide, orbital motion and spin are no longer separated. This enables fast manipulation of qubit states by means of microwave electric fields. We report Rabi oscillation frequencies…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 J. W. G. van den Berg , S. Nadj-Perge , V. S. Pribiag , S. R. Plissard , E. P. A. M. Bakkers , S. M. Frolov , L. P. Kouwenhoven

We explore the ground states and quench dynamics of one-dimensional quantum droplets with spin-orbit coupling (SOC) and an imbalance in intracomponent interactions. A plethora of miscible ground state stripe and standard (i.e.,…

We have observed Rabi-like oscillations in a current-biased dc SQUID presenting enhanced coherence times compared to our previous realization \cite{Claudon_PRL04}. This Josephson device behaves as an anharmonic oscillator which can be…

Mesoscale and Nanoscale Physics · Physics 2009-01-13 Julien Claudon , Alex Zazunov , Frank W. J. Hekking , Olivier Buisson

The magnetic contribution of the Co3+ ions in Co3BO5 has been investigated using the Co (K-edge) XMCD, dc magnetic susceptibility, and heat capacity measurements. The crystal structure of Co3BO5 single crystal has been solved in detail at…

We investigate the electronic and magnetic structures and the character and direction of spin and orbital moments of the recently synthesized quadruple perovskite cobaltovanadate CaCo3V4O12 using a selection of methods from density…

Strongly Correlated Electrons · Physics 2014-11-19 H. B. Rhee , W. E. Pickett

The spin dynamics in two electron double quantum dots embedded in two dimensional electron gas at the interface between SrTiO$_3$ and LaAlO$_3$ is studied by an exact numerical solution of the time-dependent Schr\"odinger equation, in the…

Mesoscale and Nanoscale Physics · Physics 2024-09-13 B. Szafran , M. Zegrodnik , M. P. Nowak , R. Citro , P. Wojcik

In this Letter, we investigate spin dynamics of a two-component Bose gas with spin-orbit coupling realised in cold atom experiments. We derive coupled hydrodynamic equations for number and spin densities as well as their associated…

Quantum Gases · Physics 2018-09-25 Wai Ho Tang , Shizhong Zhang

The vanadium oxyfluoride [NH4]2[C7H14N][V7O6F18] (DQVOF) is a geometrically frustrated magnetic bilayer material. The structure consists of S=1/2 kagome planes of V4+ d1 ions with S=1 V3+ d2 ions located between the kagome layers. Muon spin…

Interfacing superconducting quantum processors, working in the GHz frequency range, with optical quantum networks and atomic qubits is a challenging task for the implementation of distributed quantum information processing as well as for…

Mesoscale and Nanoscale Physics · Physics 2011-08-12 P. Bushev , A. K. Feofanov , H. Rotzinger , I. Protopopov , J. H. Cole , C. M. Wilson , G. Fischer , A. Lukashenko , A. V. Ustinov

$\gamma$-triclinic and $\alpha$-monoclinic polymorphs of CoV$_{2}$O$_{6}$ are two of the few known transition metal ion based materials that display stepped $1/3$ magnetization plateaus at low temperatures. Neutron diffraction [M. Markkula…

Strongly Correlated Electrons · Physics 2015-12-23 F. Wallington , A. M. Arevalo-Lopez , J. W. Taylor , J. R. Stewart , V. Garcia-Sakai , J. P. Attfield , C. Stock

The study of microwave and radiofrequency multi-photon transitions in continuous wave (CW) EPR spectroscopy is extended to a Rabi resonance condition, when the radio frequency of the magnetic-field modulation matches the Rabi frequency of a…

Mesoscale and Nanoscale Physics · Physics 2016-03-30 A. P. Saiko , R. Fedaruk , S. A. Markevich
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