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Spin-orbit coupling (SOC) can give rise to interesting physics, from spin Hall to topological insulators, normally in condensed matter systems. Recently, this topical area has extended into atomic quantum gases in searching for…

Quantum Gases · Physics 2012-04-11 Z. F. Xu , L. You

Working with nuclear magnetic resonance (NMR) in quadrupolar spin systems, in this paper we transfer the concept of atomic coherent state to the nuclear spin context, where it is referred to as pseudo-nuclear spin coherent state…

Quantum Physics · Physics 2013-10-15 R. Auccaise , E. R. deAzevedo , E. I. Duzzioni , T. J. Bonagamba , M. H. Y. Moussa

Detecting and controlling nuclear spin nano-ensembles is crucial for the further development of nuclear magnetic resonance (NMR) spectroscopy and for the emerging solid state quantum technology. Here we present the fabrication of a…

Spin-orbit coupling (SOC) is an essential ingredient in topological materials, conventional and quantum-gas based alike.~Engineered spin-orbit coupling in ultracold atom systems --unique in their experimental control and measurement…

Internal states of different ions in an electrodynamic trap are coupled when a static magnetic field is applied -- analogous to spin-spin coupling in molecules used for NMR. This spin-spin interaction can be used, for example, to implement…

Quantum Physics · Physics 2007-05-23 Christof Wunderlich

We demonstrate a synchronized readout (SR) technique for spectrally selective detection of oscillating magnetic fields with sub-millihertz resolution, using coherent manipulation of solid state spins. The SR technique is implemented in a…

The enormous theoretical potential of Quantum Information Processing (QIP) is driving the pursuit for its practical realization by various physical techniques. Currently Nuclear Magnetic Resonance (NMR) has been the forerunner by…

We describe an accurate and scalable implementation for the computation of molecular nuclear magnetic resonance shieldings, J-couplings, and magnetizabilities within nonrelativistic semilocal density functional theory, based on numeric…

Computational Physics · Physics 2020-02-25 Raul Laasner , William Huhn , Johannes Colell , Thomas Theis , Victor Yu , Warren Warren , Volker Blum

We investigate the nuclear isotropic shielding constants and spin-spin coupling for oxygen and carbons atoms of isomers of tartaric acid in gas phase and water solutions by Monte Carlo simulation and quantum mechanics calculations using the…

Atomic and Molecular Clusters · Physics 2016-02-17 Bruna Fideles , Leonardo B. A. Oliveira , Guilherme Colherinhas

Scalar couplings between covalently bound nuclear spins are a ubiquitous feature in nuclear magnetic resonance (NMR) experiments, imparting valuable information to NMR spectra regarding molecular structure and conformation. Such couplings…

Chemical Physics · Physics 2011-12-26 Micah Ledbetter , Giacomo Saielli , Alessandro Bagno , Nhan Tran , Michael Romalis

We explore a new way of producing the Rashba spin-orbit coupling (SOC) for ultracold atoms by using a two-component (spinor) atomic Bose-Einstein condensate (BEC) confined in a bilayer geometry. The SOC of the Rashba type is created if the…

Quantum Gases · Physics 2016-06-13 S. -W. Su , S. -C. Gou , Q. Sun , L. Wen , W. -M. Liu , A. -C. Ji , J. Ruseckas , G. Juzeliunas

Spin-orbit coupling has been reported to be responsible for the insulating nature of the 5d$^1$ osmate double perovskite Ba$_2$NaOsO$_6$ (BNOO). However, whether spin-orbit coupling indeed drives the metal-to-insulator transition (MIT) in…

Strongly Correlated Electrons · Physics 2024-01-17 Dario Fiore Mosca , Hermann Schnait , Lorenzo Celiberti , Markus Aichhorn , Cesare Franchini

Spin-orbit coupling (SOC) plays an important role in determining the structural and electronic properties of recently proposed two-dimensional planar pentagonal materials. In this work, density functional theory calculations are employed to…

We describe the treatment of Rashba spin-orbit coupling (SOC) in interacting many-fermion systems within the auxiliary-field quantum Monte Carlo framework, and present a set of illustrative results. These include numerically exact…

Strongly Correlated Electrons · Physics 2019-06-10 Peter Rosenberg , Hao Shi , Shiwei Zhang

Solid solution is an important way to enhance the structural and functional performances of materials. In this work, we develop a structural modeling approach to solid solutions based on the similar atomic environment (SAE). We propose the…

Computational Physics · Physics 2020-05-18 Fuyang Tian , De-Ye Lin , Xingyu Gao , Ya-Fan Zhao , Hai-Feng Song

We report results of nuclear magnetic resonance (NMR) experiments in SrCu2(BO3)2, a quasi two-dimensional spin system with a singlet ground state. When magnetic field is applied along the c-axis, each of the quadrupole split Cu resonance…

Strongly Correlated Electrons · Physics 2013-03-05 K. Kodama , J. Yamazaki , M. Takigawa , H. Kageyama , K. Onizuka , Y. Ueda

We measure electrically detected magnetic resonance (EDMR) on organic light-emitting diodes (OLEDs) made of the polymer poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) at room temperature and high magnetic fields, where…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 H. Malissa , R. Miller , D. L. Baird , S. Jamali , G. Joshi , M. Bursch , S. Grimme , J. van Tol , J. M. Lupton , C. Boehme

The Gauge-Including Projector Augmented Wave (GIPAW) method, within the Density Functional Theory (DFT) Generalized Gradient Approximation (GGA) framework, is applied to compute solid state NMR parameters for $^{27}Al$ in the $\alpha$,…

Materials Science · Physics 2015-05-30 Ary R. Ferreira , Emine Küçükbenli , Alexandre A. Leitão , Stefano de Gironcoli

Problems in realization of silicon-based solid-state NMR quantum computer with ensemble addressing to qubits are considered. It is presented the extension of Kane's scheme to ensemble approach version with strip gates. For the…

Quantum Physics · Physics 2007-05-23 A. A. Kokin , K. A. Valiev

We propose to measure the importance of spin-orbit couplings (SOCs) in the nonadiabatic molecular quantum dynamics rigorously with quantum fidelity. To make the criterion practical, quantum fidelity is estimated efficiently with the…

Chemical Physics · Physics 2013-01-15 Tomas Zimmermann , Jiri Vanicek