spin 1/2 system
Estimating the expectation values of spin-1/2 observables with finite resources
... One of the earliest investigations into estimating parameters of a quantum system was by Helstrom [4]. Parameter estimation is related to state esti- mation, for if we determine enough parameters then it is ...
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Three Qutrit Topological SWAP Logic Gate for ISK (I = 1, S = 1, K = 1) Spin System
... quantum system such as magnet- ic quantum numbers of spin-1/2 ...For spin-1, magnetic quantum levels are called as qutrits [3] [4] ...= 1, S = 1, K = 1) ...
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Maximum observable correlation for a bipartite quantum system
... quantum system is a property of the joint density operator, and is achieved by making particular measurements on the respective ...for spin measurements on two-qubit systems is determined to be (1 + ...
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Spin - 1/2 wave equations in relativistic quantum mechanics
... In th e early p a rt of th e tw en tieth cen tu ry th e fou n d atio n s of th e theories of q u a n tu m m echanics and special relativ ity were established*. T hese theories re quired a su b sta n tia l revision an d ...
146
Observation of inversion, hysteresis, and collapse of spin in optically trapped polariton condensates
... a system, is one of the hallmarks of nonlinear systems [1], and is ubiquitous in the physics of reso- nantly driven χ (3) -nonlinear optical elements ...of spin memories [6], logic gates [7,8], or ...
9
Spin filter for arbitrary spins by substrate engineering
... design spin filters for particles with potentially arbitrary spin S (= 1/2, 1, 3/2, ...the system within a tight-binding formalism we present an analytical method to ...
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Mean Field Solution of a Mixed Spin 3/2 and Spin 2 Ising Ferrimagnetic System with Different Single Ion Anisotropies
... Before going into detailed calculation of the phase dia- gram of the model at higher temperature, we begin with the ground-state structure of the system at zero tempera- ture analytically. The ground-state phase ...
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Bonding and Magnetism in High Symmetry Nano Sized Graphene Molecules: Linear Acenes C4m+2H2m+4 (m = 2,… 25); Zigzag Hexangulenes C6m**2H6m (m = 2,… 10); Crenelated Hexangulenes C6(3m**2 3m+1)H6(2m 1) (m = 2,… 6); Zigzag Triangulenes Cm**2+4m+1H6m (m = 2,… 15)
... spin 1 (+ spin) there are three homos and one lumo, and for spin 2 ( spin) there are two homos and lumos in the band gap ...doped system we show for spin 1 ...
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Low temperature magnetisation properties of the spin ice material Dy₂Ti₂O₇
... the system (last term in equation ...the system in a more stable situation (stable against deflagration) than not ...the system experiences an abrupt jump in magnetisation very similar to the one ...
159
Finite Temperature Lanczos Method with the Stochastic State Selection and Its Application to Study of the Higgs Mode in the Antiferromagnet at Finite Temperature
... the system size in the ...two spin operators in the spin-1/2 Heisenberg antiferromagnet on the square lattice using the improved finite temperature Lanczos ...
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Oguchi Approximation of a mixed spin-2 and spin-5/2 Blume-Capel Ising ferrimagnetic system
... ecently, a lot of efforts has been directed to the ferrimagnetic materials, specially due to their great potential for technological applications [1,2]. In a ferrimagnetic material two inequivalent moments, interacting ...
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A Conformal Geometric Approach to Quantum Entanglement for Spin-1/2 Particles
... 3. A proper theoretical analysis of any quantum entanglement condition must involve the entire configurational space of the system including the usual space-time of General Relativity as well as the “internal ...
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Dispersion theoretic approach to graph theories of charged particles of spin 0, 1/2, 1
... apparently recognised this and sought to make a rather minimal innovation to produce a finite theory. On the basis of the esqpectation that S ^ ( p ) is the correct value for spin one lines, but leads to ...
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The Higgs and top mass coincidence problem
... We have briefly reviewed the theoretical predictions of this ratio in the SM and beyond. In the SM, the Higgs selfcoupling λ is undetermined. However, assuming that the value ρ (exp) t 1 is not merely a ...
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THE DIRAC EQUATION AS THE CONSEQUENCE OF THE QUANTUM-MECHANICAL SPIN 1/2 DOUBLET MODEL
... SU(2) spin on the test example of the electron-positron doublet as an ”elementary compound fundamental ...arbitrary spin differs from our consideration of the particular case s = 1 2 ...
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Spin 1/2 in classical general relativity
... In quantum theory, a wavefunction, or quantum field, is used to calculate the probabilistic results of experiments which detect a particle. This is certainly true. To go beyond this pragmatic view requires an ...
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Unconventional field induced spin gap in an S = 1/2 chiral staggered chain
... capacity measurements reveal the presence of staggered g tensors, a rich low-temperature excitation spectrum, a staggered susceptibility and a spin gap that opens on the application of a magnetic field. These ...
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Iron(II) complexes of 4-sulfanyl-, 4-sulfinyl- and 4-sulfonyl-2,6-dipyrazolylpyridine ligands. A subtle interplay between spin-crossover and crystallographic phase changes.
... or mCPBA, respectively giving L SOMe and L SO2Me in moderate (30-40 %) yields after the usual work-up. Although their NMR spectra were similar, the two oxidised ligands were distinguishable by mass spectrometry and by ...
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Photochemical [2 + 2] cycloaddition reactions of 6 alkenyl 3 phenylcyclohex 2 en 1 ones: using biradical conformation control to account for exceptions to the "rule of five"
... presented here can be added, it is clear that the empirical ‘rule of five’ and the theoretical models which have been developed to support it, do not provide a basis for a comprehensive under- standing of the outcome of ...
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Haldane-Hubbard Mott Insulator: From Tetrahedral Spin Crystal to Chiral Spin Liquid
... ± 1; it has been realized in recent cold atom experiments [18, ...on spin-1/2 ...effective spin model for the Haldane-Mott insulator exhibits a variety of chiral magnetic orders includ- ...
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