Magnon bloch oscillation

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August undefined, 2024

WebThe studies of multimagnon excitations will extend our understandings of quantum magnetism and strongly correlated matters. Here, by using the time-evolving block decimation algorithm, we investigate the Bloch oscillations of two-magnon excitations under a gradient magnetic field. Through analyzing the symmetry of our Hamiltonian, we … WebJun 26, 2024 · Centered around magnons, four routes are being developed. The central route concerns quantum states of magnons at low temperatures. The left route integrates magnons with phonons corresponding to the lattice vibrations within the magnet or mechanical vibrations of external oscillators.

Bloch oscillations of multimagnon excitations in a …

WebFeb 1, 2024 · Here, by using the time-evolving block decimation algorithm, we investigate the Bloch oscillations of two-magnon excitations under a gradient magnetic field. … WebWe provide a semiclassical description of the magnon Bloch oscillations and show that the correspondence between the quantum and semiclassical descriptions is most accurate for Bloch oscillations of the magnon coherent states, which are built from a coherent superposition of a large number of the nearest-neighbour Wannier-Zeeman states. magical racing tour pirates caribbean

Magnetic Bloch oscillations and domain wall dynamics in a near ..…

WebMay 24, 2013 · We provide a semiclassical description of the magnon Bloch oscillations and show that the correspondence between the quantum and semiclassical descriptions is most accurate for Bloch oscillations of the magnon coherent states, which are built from a coherent superposition of a large number of the nearest-neighbour Wannier–Zeeman … WebFeb 1, 2024 · The studies of multi-magnon excitations will extend our understandings of quantum magnetism and strongly correlated matters. Here, by using the time-evolving block decimation algorithm, we investigate the Bloch oscillations of two-magnon excitations under a gradient magnetic field. Through analyzing the symmetry of the Hamiltonian, we … WebJul 15, 2016 · The authors also studied how the superposition of an extended spin wave and a weakly nonuniform magnetic field can promote magnon Bloch-like oscillations (BO). … kival informatica

Magnon localization and Bloch oscillations in finite ... - PubMed

WebMay 24, 2013 · We provide a semiclassical description of the magnon Bloch oscillations and show that the correspondence between the quantum and semiclassical descriptions is most accurate for Bloch oscillations of the magnon coherent states, which are built from a coherent superposition of a large number of the nearest-neighbour Wannier-Zeeman states. WebFIG. 1. (Color online) Dynamical symmetry of spin correlations under the parameters (∆, B) and (−∆,B). The timeevolution of two-spin correlations in 9th and 10th with ferromagnetic interaction (left half) and the ones in -10th and -11th with anti-ferromagnetic interaction (right half). - "Bloch oscillations of multimagnon excitations in a Heisenberg XXZ chain" magical racing tour finalWebMay 24, 2013 · We provide a semiclassical description of the magnon Bloch oscillations and show that the correspondence between the quantum and semiclassical descriptions … kivabe microsoft office download korbo

"WebApr 10, 2024 · Accelerating a quantum particle on an ideal periodic lattice potential leads to oscillatory motion instead of a net drift. This counter-intuitive phenomenon, known as Bloch oscillations (BOs), has ... " - Magnon bloch oscillation

Magnon bloch oscillation

Bloch Oscillation - an overview ScienceDirect Topics

WebBloch Oscillations in Semiconductor Superlattices. Bloch oscillations are an intriguing concept of solid state physics. When an electron experiences the force of an electric field in a periodic potential, the resulting dynamics is oscillatory in the absence of scattering events. However, since in real solid state the scattering rates are much ... WebMar 25, 2014 · An analogy is drawn between Bloch oscillations and possible magnetic Bloch oscillations. By using the magnetic translations it is indicated that a magnetic …

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WebJun 18, 2024 · Abstract. The studies of multimagnon excitations will extend our understandings of quantum magnetism and strongly correlated matters. Here, by using … WebBloch oscillations are a pure quantum effect which can be explained in a simple one-dimensional model. The periodicity of the lattice (period d) leads to a band structure (Fig. 1) of the energy spectrum of the particle and the corresponding eigenenergies E nsqd and eigenstates jn,ql (Bloch states) are labeled by the discrete

WebMar 5, 2024 · Bloch oscillations (BOs) describe the periodic movement of electrons in solids to which an external static electric field is applied 1,2 and are associated with a variety of interesting phenomena ... WebNov 30, 2024 · In the quantum picture, the eigenmodes are expressed as superpositions of the natural Bloch sphere basis, the spin-up and -down magnons. In the Landau-Lifshitz …

WebJan 26, 2024 · The optical mode is the high energy mode which corresponds to out-of-phase oscillations. (a) \ ... show the amplitude of the magnon Bloch wave function for the …

WebSuper Bloch oscillations. In physics, a Super Bloch oscillation describes a certain type of motion of a particle in a lattice potential under external periodic driving. The term super …

WebJun 19, 2013 · We provide a semiclassical description of the magnon Bloch oscillations and show that the correspondence between the quantum and semiclassical descriptions is most accurate for Bloch oscillations of the magnon coherent states, which are built from a coherent superposition of a large number of the nearest-neighbour Wannier-Zeeman states. kivaliving.comWebJul 31, 2024 · The traditional view of Bloch oscillations is that they rely on the translational symmetry of crystals. These oscillations occur with a fundamental period ${T}_{B}$, the time it takes a semiclassical wave packet to travel across the Brillouin zone. We introduce a new type of Bloch oscillation whose period equals an integer multiple of ${T}_{B}$. The … kival and howard in portlandWebJun 19, 2013 · We provide a semiclassical description of the magnon Bloch oscillations and show that the correspondence between the quantum and semiclassical descriptions … kivahan experienceWebSep 25, 2024 · Bloch [ 1] has theoretically introduced the concept of spin waves in 1930. He considered theoretically from the point of view of quantum mechanics a chain of exchanged-coupled spins. By analyzing low-amplitude deviations of spins from their equilibrium orientations he has found that these deviations were dynamic and propagating nature. kivach waterfallWebA theory of such generalized Bloch oscillations is presented and an exact calculation is given to confirm this phenomenon. Our results allow for a greater freedom of design for experimentally observing Bloch oscillations. For strongly coupled oscillator systems displaying Bloch oscillations, it is further demonstrated that reordering of kivalliq mine training societyWebBloch oscillation is a phenomenon from solid state physics. It describes the oscillation of a particle (e.g. an electron) confined in a periodic potential when a constant force is acting on it. It was first pointed out by Felix Bloch and Clarence Zener while studying the electrical properties of crystals. kivabe windows 10 pro active korboWebBloch oscillations are induced optically by simultaneous excitation of at least two WS ladder resonances with an ultrashort (broadband) light pulse, as illustrated in figure 1. … magical ranged dps