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Introduction to Nuclear Magnetic Resonance ( NMR ) Spectroscopy
Introduction to Nuclear Magnetic Resonance ( NMR ) Spectroscopy

... In macroscopic behavior, the sum of the dipole moments of all nuclei is called Magnetization. The NMR sample of spin I= ½ nuclei precess about the static magnetic field has the equilibrium between α and β states. Their phases are not correlated. For each vector pointing in one direction of the trans ...
Equilibration and Order in Quantum Floquet Matter
Equilibration and Order in Quantum Floquet Matter

PhysRevLett.102.137201_17
PhysRevLett.102.137201_17

... quantum magnets is the appearance of numerous competing orders. This competition dramatically enhances quantum fluctuations, generating highly nonclassical behavior as exemplified by, e.g., Cs2 CuCl4 and Cs2 CuBr4 . These materials comprise quasi-2D spin-1=2 triangular antiferromagnets with spatiall ...
Topological Order and the Kitaev Model
Topological Order and the Kitaev Model

... not have any relation with any kind of symmetries (or the breaking of them) and thus cannot be described by the usual Ginzburg-Landau symmetry-breaking scheme. These patterns consist on a highly correlated motion of the electrons around each other such that they do their own cyclotron motion in the ...
Coherent and incoherent evolution of qubits in
Coherent and incoherent evolution of qubits in

... much as possible; •Control coupling of qubits without presence of nearby electrodes and associated electromagnetic fluctuations; ...
Second quantization of the elliptic Calogero
Second quantization of the elliptic Calogero

ELECTROSTATIC LATTICE for srEDM
ELECTROSTATIC LATTICE for srEDM

Generating Entanglement and Squeezed States of Nuclear Spins in Quantum Dots
Generating Entanglement and Squeezed States of Nuclear Spins in Quantum Dots

Sample Chapter 9
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... exact solution exists. In order to make any further progress, we need to develop some techniques for finding approximate solutions to the Schrödinger equation. This chapter and Chapter 11 are devoted to a very important set of these techniques called perturbation theory. The basic idea of perturbati ...
Orbital Magnetization of Quantum Spin Hall Insulator Nanoparticles P. Potasz
Orbital Magnetization of Quantum Spin Hall Insulator Nanoparticles P. Potasz

... associated to Kramers doublets, where each state has a net charge current flowing with opposite chirality. In a finite sample, these counter-propagating currents can be associated to magnetic moments with opposite sign for each state in the Kramers doublet. Since these states are equally occupied, t ...
Magnetic properties of quantum corrals from first
Magnetic properties of quantum corrals from first

... so-called shape anisotropy, arising from the magnetostatic dipole–dipole energy [26]. This, purely classical, interaction would direct the orientations of the magnetic moments into the plane. According to our estimates, the magnetostatic dipole–dipole energy is, however, lower than the above MCA ene ...
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Document

Fast Spin State Initialization in a Singly Charged InAs
Fast Spin State Initialization in a Singly Charged InAs

... [16]. The hole coupling to the continuum states might also result uncertainty in the radiative lifetime (at most a factor of 3) but not affect the qualitative speed up by a few orders of magnitude due to the magnetic field induced state mixing. Using a more conservative trion relaxation rate of 1  ...
9 Quantum Phases and Phase Transitions of Mott
9 Quantum Phases and Phase Transitions of Mott

... dimensions (d), but our methods and results often have simple generalizations to d = 3. One useful vantage point for opening this discussion is the family of Mott insulators with a gap to all spin excitations. All spin gap compounds discovered to date have the important property of being “dimerized” ...
Spin and photophysics of carbon-antisite potential quantum bit Linköping University Post Print
Spin and photophysics of carbon-antisite potential quantum bit Linköping University Post Print

... plane wave code [26] within projector-augmentation-wavemethod (PAW) [27,28]. We utilize the standard PAW potentials and a convergent plane wave cutoff of 420 eV. In the calculation of the hyperfine constants, the spin polarization of the core electrons is also taken into account [29]. We calculate t ...
Feshbach Resonances in Ultracold Gases
Feshbach Resonances in Ultracold Gases

Quantum Energy Teleportation in Spin Chain Systems
Quantum Energy Teleportation in Spin Chain Systems

... Negative localized energy plays an essential role in the protocol. In this paper, we define the zero values of energy density by the expectation values of the ground state. We then consider why there are negative-energy-density regions in the spin chains. In quantum physics, there remain local quan ...
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Recent progresses on diagrammatic determinant QMC

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kiselev.pdf
kiselev.pdf

98 - Department of Physics - University of Texas at Austin
98 - Department of Physics - University of Texas at Austin

Full Text - University of Arizona
Full Text - University of Arizona

... variation of the laser polarization, as well as intensity, lattice phase, etc. The earliest proposals for quantum logic in optical lattices via controlled collisions involved transport of the atoms via time-dependent rotation of the direction of a laser beam’s polarization [1,2,23]. Discrete time qu ...
Summary Magnetic materials 2015. The magnetic susceptibility, i.e. 
Summary Magnetic materials 2015. The magnetic susceptibility, i.e. 

... energy than two neighboring magnetic dipoles that are parallel to each other. We say that the wavefunctions of two neighboring atoms interact with each other and that this interaction leads to an extra energy term the exchange energy: ...
Optical probing of the spin state of a single magnetic impurity in a
Optical probing of the spin state of a single magnetic impurity in a

... impurity. (c) Calculated PL spectrum; the width of Lorentzian peaks is 30 ␮eV; for typical self-assembled InGaAs/ GaAs QDs, E0g is about 1 eV. ...
Quantum Langevin model for exoergic ion
Quantum Langevin model for exoergic ion

... amount of spectroscopic data (see, e.g., Ref. [14]). The same issue becomes much more severe for multidimensional PES in reactions, and will likely remain so for many years to come. This difficulty, coupled with the exponential growth of the Hilbert space beyond two-body systems [15], has limited th ...
Intersection Between SFT and Condensed Matter
Intersection Between SFT and Condensed Matter

... We can systematically search for the solutions in the level truncation scheme up to at least level 20. (At higher levels we have to take care of the null states.) By computing the gauge invariants (the boundary state) we confirm the interpretation of the ...
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Ising model

The Ising model (/ˈaɪsɪŋ/; German: [ˈiːzɪŋ]), named after the physicist Ernst Ising, is a mathematical model of ferromagnetism in statistical mechanics. The model consists of discrete variables that represent magnetic dipole moments of atomic spins that can be in one of two states (+1 or −1). The spins are arranged in a graph, usually a lattice, allowing each spin to interact with its neighbors. The model allows the identification of phase transitions, as a simplified model of reality. The two-dimensional square-lattice Ising model is one of the simplest statistical models to show a phase transition.The Ising model was invented by the physicist Wilhelm Lenz (1920), who gave it as a problem to his student Ernst Ising. The one-dimensional Ising model has no phase transition and was solved by Ising (1925) himself in his 1924 thesis. The two-dimensional square lattice Ising model is much harder, and was given an analytic description much later, by Lars Onsager (1944). It is usually solved by a transfer-matrix method, although there exist different approaches, more related to quantum field theory.In dimensions greater than four, the phase transition of the Ising model is described by mean field theory.
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